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Index
*****


* Menu:

* --:                                    Other Options.       (line   7)
* --after-context:                       Context Line Control.
                                                              (line  15)
* --basic-regexp:                        grep Programs.       (line  15)
* --before-context:                      Context Line Control.
                                                              (line  19)
* --binary:                              Other Options.       (line  22)
* --binary-files:                        File and Directory Selection.
                                                              (line  12)
* --byte-offset:                         Output Line Prefix Control.
                                                              (line  12)
* --color:                               General Output Control.
                                                              (line  14)
* --colour:                              General Output Control.
                                                              (line  14)
* --context:                             Context Line Control.
                                                              (line  24)
* --count:                               General Output Control.
                                                              (line   8)
* --dereference-recursive:               File and Directory Selection.
                                                              (line 113)
* --devices:                             File and Directory Selection.
                                                              (line  51)
* --directories:                         File and Directory Selection.
                                                              (line  62)
* --exclude:                             File and Directory Selection.
                                                              (line  73)
* --exclude-dir:                         File and Directory Selection.
                                                              (line  87)
* --exclude-from:                        File and Directory Selection.
                                                              (line  83)
* --extended-regexp:                     grep Programs.       (line  20)
* --file:                                Matching Control.    (line  17)
* --files-with-matches:                  General Output Control.
                                                              (line  38)
* --files-without-match:                 General Output Control.
                                                              (line  33)
* --fixed-strings:                       grep Programs.       (line  25)
* --group-separator:                     Context Line Control.
                                                              (line  27)
* --group-separator <1>:                 Context Line Control.
                                                              (line  31)
* --help:                                Generic Program Information.
                                                              (line   7)
* --ignore-case:                         Matching Control.    (line  26)
* --include:                             File and Directory Selection.
                                                              (line  97)
* --initial-tab:                         Output Line Prefix Control.
                                                              (line  41)
* --invert-match:                        Matching Control.    (line  51)
* --label:                               Output Line Prefix Control.
                                                              (line  28)
* --line-buffered:                       Other Options.       (line  13)
* --line-number:                         Output Line Prefix Control.
                                                              (line  36)
* --line-regexp:                         Matching Control.    (line  73)
* --max-count:                           General Output Control.
                                                              (line  44)
* --no-filename:                         Output Line Prefix Control.
                                                              (line  23)
* --no-ignore-case:                      Matching Control.    (line  44)
* --no-messages:                         General Output Control.
                                                              (line  95)
* --null:                                Output Line Prefix Control.
                                                              (line  50)
* --null-data:                           Other Options.       (line  43)
* --only-matching:                       General Output Control.
                                                              (line  78)
* --perl-regexp:                         grep Programs.       (line  30)
* --quiet:                               General Output Control.
                                                              (line  86)
* --recursive:                           File and Directory Selection.
                                                              (line 105)
* --regexp=PATTERNS:                     Matching Control.    (line   8)
* --silent:                              General Output Control.
                                                              (line  86)
* --text:                                File and Directory Selection.
                                                              (line   8)
* --version:                             Generic Program Information.
                                                              (line  12)
* --with-filename:                       Output Line Prefix Control.
                                                              (line  18)
* --word-regexp:                         Matching Control.    (line  56)
* -A:                                    Context Line Control.
                                                              (line  15)
* -a:                                    File and Directory Selection.
                                                              (line   8)
* -b:                                    Output Line Prefix Control.
                                                              (line  12)
* -B:                                    Context Line Control.
                                                              (line  19)
* -c:                                    General Output Control.
                                                              (line   8)
* -C:                                    Context Line Control.
                                                              (line  24)
* -D:                                    File and Directory Selection.
                                                              (line  51)
* -d:                                    File and Directory Selection.
                                                              (line  62)
* -e:                                    Matching Control.    (line   8)
* -E:                                    grep Programs.       (line  20)
* -f:                                    Matching Control.    (line  17)
* -F:                                    grep Programs.       (line  25)
* -G:                                    grep Programs.       (line  15)
* -H:                                    Output Line Prefix Control.
                                                              (line  18)
* -h:                                    Output Line Prefix Control.
                                                              (line  23)
* -i:                                    Matching Control.    (line  26)
* -L:                                    General Output Control.
                                                              (line  33)
* -l:                                    General Output Control.
                                                              (line  38)
* -m:                                    General Output Control.
                                                              (line  44)
* -n:                                    Output Line Prefix Control.
                                                              (line  36)
* -NUM:                                  Context Line Control.
                                                              (line  24)
* -o:                                    General Output Control.
                                                              (line  78)
* -P:                                    grep Programs.       (line  30)
* -q:                                    General Output Control.
                                                              (line  86)
* -r:                                    File and Directory Selection.
                                                              (line 105)
* -R:                                    File and Directory Selection.
                                                              (line 113)
* -s:                                    General Output Control.
                                                              (line  95)
* -T:                                    Output Line Prefix Control.
                                                              (line  41)
* -U:                                    Other Options.       (line  22)
* -V:                                    Generic Program Information.
                                                              (line  12)
* -v:                                    Matching Control.    (line  51)
* -w:                                    Matching Control.    (line  56)
* -x:                                    Matching Control.    (line  73)
* -y:                                    Matching Control.    (line  26)
* -Z:                                    Output Line Prefix Control.
                                                              (line  50)
* -z:                                    Other Options.       (line  43)
* ?:                                     Fundamental Structure.
                                                              (line  19)
* .:                                     Fundamental Structure.
                                                              (line  11)
* {,M}:                                  Fundamental Structure.
                                                              (line  34)
* {N,}:                                  Fundamental Structure.
                                                              (line  31)
* {N,M}:                                 Fundamental Structure.
                                                              (line  38)
* {N}:                                   Fundamental Structure.
                                                              (line  28)
* *:                                     Fundamental Structure.
                                                              (line  22)
* +:                                     Fundamental Structure.
                                                              (line  25)
* after context:                         Context Line Control.
                                                              (line  15)
* alnum character class:                 Character Classes and Bracket Expressions.
                                                              (line  32)
* alpha character class:                 Character Classes and Bracket Expressions.
                                                              (line  37)
* alphabetic characters:                 Character Classes and Bracket Expressions.
                                                              (line  37)
* alphanumeric characters:               Character Classes and Bracket Expressions.
                                                              (line  32)
* alternatives in regular expressions:   Fundamental Structure.
                                                              (line  46)
* anchoring:                             Anchoring.           (line   6)
* asterisk:                              Fundamental Structure.
                                                              (line  22)
* back-reference:                        Back-references and Subexpressions.
                                                              (line   6)
* back-references:                       Performance.         (line  41)
* backslash:                             Special Backslash Expressions.
                                                              (line   6)
* basic regular expressions:             Basic vs Extended.   (line   6)
* before context:                        Context Line Control.
                                                              (line  19)
* binary files:                          File and Directory Selection.
                                                              (line   8)
* binary files <1>:                      File and Directory Selection.
                                                              (line  12)
* binary I/O:                            Other Options.       (line  22)
* blank character class:                 Character Classes and Bracket Expressions.
                                                              (line  42)
* blank characters:                      Character Classes and Bracket Expressions.
                                                              (line  42)
* bn GREP_COLORS capability:             Environment Variables.
                                                              (line 117)
* braces, first argument omitted:        Fundamental Structure.
                                                              (line  34)
* braces, one argument:                  Fundamental Structure.
                                                              (line  28)
* braces, second argument omitted:       Fundamental Structure.
                                                              (line  31)
* braces, two arguments:                 Fundamental Structure.
                                                              (line  38)
* bracket expression:                    Character Classes and Bracket Expressions.
                                                              (line   6)
* Bugs, known:                           Known Bugs.          (line   6)
* bugs, reporting:                       Reporting Bugs.      (line   6)
* byte offset:                           Output Line Prefix Control.
                                                              (line  12)
* case insensitive search:               Matching Control.    (line  26)
* case insensitive search <1>:           Performance.         (line  27)
* changing name of standard input:       Output Line Prefix Control.
                                                              (line  28)
* character class:                       Character Classes and Bracket Expressions.
                                                              (line   6)
* character classes:                     Character Classes and Bracket Expressions.
                                                              (line  31)
* character encoding:                    Character Encoding.  (line   6)
* character type:                        Environment Variables.
                                                              (line 144)
* classes of characters:                 Character Classes and Bracket Expressions.
                                                              (line  31)
* cntrl character class:                 Character Classes and Bracket Expressions.
                                                              (line  45)
* context lines:                         General Output Control.
                                                              (line  70)
* context lines <1>:                     Context Line Control.
                                                              (line   6)
* context lines <2>:                     Context Line Control.
                                                              (line  24)
* context lines, after match:            Context Line Control.
                                                              (line  15)
* context lines, before match:           Context Line Control.
                                                              (line  19)
* control characters:                    Character Classes and Bracket Expressions.
                                                              (line  45)
* copying:                               Copying.             (line   6)
* counting lines:                        General Output Control.
                                                              (line   8)
* cx GREP_COLORS capability:             Environment Variables.
                                                              (line  68)
* device search:                         File and Directory Selection.
                                                              (line  51)
* digit character class:                 Character Classes and Bracket Expressions.
                                                              (line  50)
* digit characters:                      Character Classes and Bracket Expressions.
                                                              (line  50)
* directory search:                      File and Directory Selection.
                                                              (line  62)
* dot:                                   Fundamental Structure.
                                                              (line  11)
* encoding error:                        Environment Variables.
                                                              (line 151)
* environment variables:                 Environment Variables.
                                                              (line  24)
* exclude directories:                   File and Directory Selection.
                                                              (line  87)
* exclude files:                         File and Directory Selection.
                                                              (line  73)
* exclude files <1>:                     File and Directory Selection.
                                                              (line  83)
* exit status:                           Exit Status.         (line   6)
* FAQ about grep usage:                  Usage.               (line  32)
* files which don't match:               General Output Control.
                                                              (line  33)
* fn GREP_COLORS capability:             Environment Variables.
                                                              (line 107)
* fn GREP_COLORS capability <1>:         Environment Variables.
                                                              (line 122)
* graph character class:                 Character Classes and Bracket Expressions.
                                                              (line  53)
* graphic characters:                    Character Classes and Bracket Expressions.
                                                              (line  53)
* grep programs:                         grep Programs.       (line   6)
* GREP_COLOR environment variable:       Environment Variables.
                                                              (line  27)
* GREP_COLORS environment variable:      Environment Variables.
                                                              (line  33)
* group separator:                       Context Line Control.
                                                              (line  27)
* group separator <1>:                   Context Line Control.
                                                              (line  31)
* hexadecimal digits:                    Character Classes and Bracket Expressions.
                                                              (line  77)
* highlight markers:                     Environment Variables.
                                                              (line  27)
* highlight markers <1>:                 Environment Variables.
                                                              (line  33)
* highlight, color, colour:              General Output Control.
                                                              (line  14)
* holes in files:                        Performance.         (line  51)
* include files:                         File and Directory Selection.
                                                              (line  97)
* interval expressions:                  Fundamental Structure.
                                                              (line  14)
* interval expressions <1>:              Performance.         (line  32)
* invalid regular expressions:           Problematic Expressions.
                                                              (line   6)
* invert matching:                       Matching Control.    (line  51)
* LANG environment variable:             Environment Variables.
                                                              (line  10)
* LANG environment variable <1>:         Environment Variables.
                                                              (line 144)
* LANG environment variable <2>:         Environment Variables.
                                                              (line 151)
* LANG environment variable <3>:         Environment Variables.
                                                              (line 160)
* LANGUAGE environment variable:         Environment Variables.
                                                              (line  10)
* LANGUAGE environment variable <1>:     Environment Variables.
                                                              (line 160)
* language of messages:                  Environment Variables.
                                                              (line 160)
* LC_ALL environment variable:           Environment Variables.
                                                              (line  10)
* LC_ALL environment variable <1>:       Environment Variables.
                                                              (line 144)
* LC_ALL environment variable <2>:       Environment Variables.
                                                              (line 151)
* LC_ALL environment variable <3>:       Environment Variables.
                                                              (line 160)
* LC_COLLATE environment variable:       Environment Variables.
                                                              (line 144)
* LC_CTYPE environment variable:         Environment Variables.
                                                              (line 151)
* LC_MESSAGES environment variable:      Environment Variables.
                                                              (line  10)
* LC_MESSAGES environment variable <1>:  Environment Variables.
                                                              (line 160)
* line buffering:                        Other Options.       (line  13)
* line numbering:                        Output Line Prefix Control.
                                                              (line  36)
* ln GREP_COLORS capability:             Environment Variables.
                                                              (line 112)
* locales:                               Performance.         (line  20)
* lower character class:                 Character Classes and Bracket Expressions.
                                                              (line  56)
* lower-case letters:                    Character Classes and Bracket Expressions.
                                                              (line  56)
* match expression at most M times:      Fundamental Structure.
                                                              (line  34)
* match expression at most once:         Fundamental Structure.
                                                              (line  19)
* match expression from N to M times:    Fundamental Structure.
                                                              (line  38)
* match expression N or more times:      Fundamental Structure.
                                                              (line  31)
* match expression N times:              Fundamental Structure.
                                                              (line  28)
* match expression one or more times:    Fundamental Structure.
                                                              (line  25)
* match expression zero or more times:   Fundamental Structure.
                                                              (line  22)
* match the whole line:                  Matching Control.    (line  73)
* matching basic regular expressions:    grep Programs.       (line  15)
* matching extended regular expressions: grep Programs.       (line  20)
* matching fixed strings:                grep Programs.       (line  25)
* matching Perl-compatible regular expressions: grep Programs.
                                                              (line  30)
* matching whole words:                  Matching Control.    (line  56)
* max-count:                             General Output Control.
                                                              (line  44)
* mc GREP_COLORS capability:             Environment Variables.
                                                              (line  99)
* message language:                      Environment Variables.
                                                              (line 160)
* ms GREP_COLORS capability:             Environment Variables.
                                                              (line  91)
* MS-Windows binary I/O:                 Other Options.       (line  22)
* mt GREP_COLORS capability:             Environment Variables.
                                                              (line  83)
* names of matching files:               General Output Control.
                                                              (line  38)
* national language support:             Environment Variables.
                                                              (line 144)
* national language support <1>:         Environment Variables.
                                                              (line 160)
* ne GREP_COLORS capability:             Environment Variables.
                                                              (line 129)
* NLS:                                   Environment Variables.
                                                              (line 144)
* no filename prefix:                    Output Line Prefix Control.
                                                              (line  23)
* non-ASCII matching:                    Matching Non-ASCII.  (line   6)
* non-printable matching:                Matching Non-ASCII.  (line   6)
* null character:                        Environment Variables.
                                                              (line 151)
* numeric characters:                    Character Classes and Bracket Expressions.
                                                              (line  50)
* only matching:                         General Output Control.
                                                              (line  78)
* option delimiter:                      Other Options.       (line   7)
* ordinary characters:                   Fundamental Structure.
                                                              (line   6)
* patterns from file:                    Matching Control.    (line  17)
* patterns option:                       Matching Control.    (line   8)
* performance:                           Performance.         (line   6)
* period:                                Fundamental Structure.
                                                              (line  11)
* pipelines and reading:                 Performance.         (line  59)
* plus sign:                             Fundamental Structure.
                                                              (line  25)
* POSIXLY_CORRECT environment variable:  Environment Variables.
                                                              (line 165)
* print character class:                 Character Classes and Bracket Expressions.
                                                              (line  60)
* print non-matching lines:              Matching Control.    (line  51)
* printable characters:                  Character Classes and Bracket Expressions.
                                                              (line  60)
* punct character class:                 Character Classes and Bracket Expressions.
                                                              (line  63)
* punctuation characters:                Character Classes and Bracket Expressions.
                                                              (line  63)
* question mark:                         Fundamental Structure.
                                                              (line  19)
* quiet, silent:                         General Output Control.
                                                              (line  86)
* range expression:                      Character Classes and Bracket Expressions.
                                                              (line  14)
* recursive search:                      File and Directory Selection.
                                                              (line 105)
* recursive search <1>:                  File and Directory Selection.
                                                              (line 113)
* regular expressions:                   Regular Expressions. (line   6)
* return status:                         Exit Status.         (line   6)
* rv GREP_COLORS capability:             Environment Variables.
                                                              (line  77)
* searching directory trees:             File and Directory Selection.
                                                              (line  73)
* searching directory trees <1>:         File and Directory Selection.
                                                              (line  83)
* searching directory trees <2>:         File and Directory Selection.
                                                              (line  97)
* searching directory trees <3>:         File and Directory Selection.
                                                              (line 105)
* searching directory trees <4>:         File and Directory Selection.
                                                              (line 113)
* searching for patterns:                Introduction.        (line   6)
* sl GREP_COLORS capability:             Environment Variables.
                                                              (line  60)
* space character class:                 Character Classes and Bracket Expressions.
                                                              (line  68)
* space characters:                      Character Classes and Bracket Expressions.
                                                              (line  68)
* special characters:                    Fundamental Structure.
                                                              (line   6)
* subexpression:                         Back-references and Subexpressions.
                                                              (line   6)
* suppress binary data:                  File and Directory Selection.
                                                              (line   8)
* suppress error messages:               General Output Control.
                                                              (line  95)
* symbolic links:                        File and Directory Selection.
                                                              (line  62)
* symbolic links <1>:                    File and Directory Selection.
                                                              (line 105)
* symbolic links <2>:                    File and Directory Selection.
                                                              (line 113)
* tab-aligned content lines:             Output Line Prefix Control.
                                                              (line  41)
* TERM environment variable:             Environment Variables.
                                                              (line 172)
* translation of message language:       Environment Variables.
                                                              (line 160)
* unspecified behavior in regular expressions: Problematic Expressions.
                                                              (line   6)
* upper character class:                 Character Classes and Bracket Expressions.
                                                              (line  73)
* upper-case letters:                    Character Classes and Bracket Expressions.
                                                              (line  73)
* usage summary, printing:               Generic Program Information.
                                                              (line   7)
* usage, examples:                       Usage.               (line   6)
* using grep, Q&A:                       Usage.               (line  32)
* variants of grep:                      grep Programs.       (line   6)
* version, printing:                     Generic Program Information.
                                                              (line  12)
* whitespace characters:                 Character Classes and Bracket Expressions.
                                                              (line  68)
* with filename prefix:                  Output Line Prefix Control.
                                                              (line  18)
* xdigit character class:                Character Classes and Bracket Expressions.
                                                              (line  77)
* xdigit class:                          Character Classes and Bracket Expressions.
                                                              (line  77)
* zero-terminated file names:            Output Line Prefix Control.
                                                              (line  50)
* zero-terminated lines:                 Other Options.       (line  43)


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