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1.21 Substitution and Command line macros
When a command line to gnuplot is first read, i.e. before it is interpreted or executed, two forms of lexical substitution are performed. These are triggered by the presence of text in backquotes (ascii character 96) or preceded by @ (ascii character 64).
| 1.21.1 Substitution of system commands in backquotes | ||
| 1.21.2 Substitution of string variables as macros | ||
| 1.21.3 String variables, macros, and command line substitution |
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