(grep.info.gz) Invoking
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2 Invoking `grep'
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The general synopsis of the `grep' command line is
grep OPTIONS PATTERN INPUT_FILE_NAMES
There can be zero or more OPTIONS. PATTERN will only be seen as such
(and not as an INPUT_FILE_NAME) if it wasn't already specified within
OPTIONS (by using the `-e PATTERN' or `-f FILE' options). There can be
zero or more INPUT_FILE_NAMES.
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* Command-line Options Short and long names, grouped by category.
* Environment Variables POSIX, GNU generic, and GNU grep specific.
* Exit Status Exit status returned by `grep'.
* grep Programs `grep' programs.
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