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| author | Mattias Andrée <maandree@kth.se> | 2021-08-05 00:10:46 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2021-08-05 00:10:50 +0200 |
| commit | b91d57b505f560db25b66deff3bae80695c05703 (patch) | |
| tree | 45ff5b9570d8c3d82ff7c434110e81fdf7219837 /README | |
| parent | Update config.mk (diff) | |
| download | gpp-b91d57b505f560db25b66deff3bae80695c05703.tar.gz gpp-b91d57b505f560db25b66deff3bae80695c05703.tar.bz2 gpp-b91d57b505f560db25b66deff3bae80695c05703.tar.xz | |
Standardise @(( )), add -R option, and fix critical bug2.1
The bug was that if the code buffered was increased,
the new character that should have been pushed to it
was not pushed into the code buffer, leaving out some
characters before preprocessing takes place.
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 27 |
1 files changed, 18 insertions, 9 deletions
@@ -3,7 +3,8 @@ NAME SYNOPSIS gpp [-D name[=value]] [-f file | [-i input-file] - [-o output-file]] [-n count] [-s symbol] [-u [-u]] + [-o output-file]] [-n count] [-s symbol] + [-R macroline-replacement-text] [-u [-u]] [shell [argument] ...] ETYMOLOGY @@ -35,10 +36,13 @@ DESCRIPTION Additionally, gpp supports variable substitution. @{VARIABLE} will be replaces by the value if the variable (possibility environment variable) VARIABLE. - gpp supports all modifiers thats Bash supports. For - example, if you want the value to be included but - uppercase you can write @{VARIABLE^^}, or @{VARIABLE,,} - for lowercase. + gpp supports all modifiers thats Bash (or which ever + shell is selected) supports. For example, if you want + the value to be included but uppercase you can write + @{VARIABLE^^}, or @{VARIABLE,,} for lowercase. gpp + also supports mathematical expressions that the via + the shells $((EXPRESSION)) syntax, by using + @((EXPRESSION)). Everything that is not a preprocessing directive is echo verbatim, except all @@ are replaced by @. @@ -56,18 +60,23 @@ OPTIONS Equivalent to -i FILE -o FILE. -i input-file - Select file to process. Defaults to /dev/stdin. + Select file to process. Default value is /dev/stdin. -n count Process the file recursively count times. - Defaults to 1 time. + Default value is 1. -o output-file - Select output file. Defaults to /dev/stdout. + Select output file. Defaults value is /dev/stdout. + + -R macroline-replacement-text + Text to replace macrolines with in the output. + You may for example want to use % for TeX files. + Default value is the empty string. -s symbol Set the prefix symbol for preprocessor directives. - Defaults to @. + Default value is @. -u Clear the shebang line, remove it if this flag |