tldr/pages/common/m4.md

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2018-10-31 00:22:33 +00:00
# m4
> Macro processor.
2019-06-04 10:25:00 +01:00
> More information: <https://www.gnu.org/software/m4>.
2018-10-31 00:22:33 +00:00
- Process macros in a file:
`m4 {{path/to/file}}`
- Define a macro before processing files:
`m4 -D{{macro_name}}={{macro_value}} {{path/to/file}}`