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4.4 Print bash Environment
This script strips the definition of the shell functions
from the output of the set Bourne-shell command.
#!/bin/sh
set | sed -n ' :x
# if no occurrence of ‘=()’ print and load next line
/=()/! { p; b; }
/ () $/! { p; b; }
# possible start of functions section # save the line in case this is a var like FOO="() " h
# if the next line has a brace, we quit because
# nothing comes after functions
n
/^{/ q
# print the old line x; p
# work on the new line now x; bx '
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