Query: gm4
OS: osx
Section: 1
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M4(1) User Commands M4(1)NAMEM4 - macro processorSYNOPSISm4 [OPTION]... [FILE]...DESCRIPTIONProcess macros in FILEs. If no FILE or if FILE is `-', standard input is read. Mandatory or optional arguments to long options are mandatory or optional for short options too. Operation modes: --help display this help and exit --version output version information and exit -E, --fatal-warnings stop execution after first warning -e, --interactive unbuffer output, ignore interrupts -P, --prefix-builtins force a `m4_' prefix to all builtins -Q, --quiet, --silent suppress some warnings for builtins Preprocessor features: -D, --define=NAME[=VALUE] define NAME has having VALUE, or empty -I, --include=DIRECTORY append DIRECTORY to include path -s, --synclines generate `#line NUM "FILE"' lines -U, --undefine=NAME undefine NAME Limits control: -G, --traditional suppress all GNU extensions -H, --hashsize=PRIME set symbol lookup hash table size [509] -L, --nesting-limit=NUMBER change artificial nesting limit [1024] Frozen state files: -F, --freeze-state=FILE produce a frozen state on FILE at end -R, --reload-state=FILE reload a frozen state from FILE at start Debugging: -d, --debug[=FLAGS] set debug level (no FLAGS implies `aeq') -l, --arglength=NUM restrict macro tracing size -o, --error-output=FILE redirect debug and trace output -t, --trace=NAME trace NAME when it will be defined FLAGS is any of: a show actual arguments c show before collect, after collect and after call e show expansion f say current input file name i show changes in input files l say current input line number p show results of path searches q quote values as necessary, with a or e flag t trace for all macro calls, not only traceon'ed x add a unique macro call id, useful with c flag V shorthand for all of the above flags If defined, the environment variable `M4PATH' is a colon-separated list of directories included after any specified by `-I'. Exit status is 0 for success, 1 for failure, 63 for frozen file version mismatch, or whatever value was passed to the m4exit macro.AUTHORWritten by Rene' Seindal.REPORTING BUGSReport bugs to <bug-m4@gnu.org>.COPYRIGHTCopyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE.SEE ALSOThe full documentation for M4 is maintained as a Texinfo manual. If the info and M4 programs are properly installed at your site, the com- mand info m4 should give you access to the complete manual.FSFAugust 2006 M4(1)