(gawk.info) Invoking Gawk

 
 Running `awk'
 *************
 
    There are two ways to run `awk': with an explicit program, or with
 one or more program files.  Here are templates for both of them; items
 enclosed in `[...]' in these templates are optional.
 
    Besides traditional one-letter POSIX-style options, `gawk' also
 supports GNU long options.
 
      awk [OPTIONS] -f progfile [`--'] FILE ...
      awk [OPTIONS] [`--'] 'PROGRAM' FILE ...
 
    It is possible to invoke `awk' with an empty program:
 
      $ awk '' datafile1 datafile2
 
 Doing so makes little sense though; `awk' will simply exit silently
 when given an empty program (d.c.).  If `--lint' has been specified on
 the command line, `gawk' will issue a warning that the program is empty.

 
* Options                     Command line options and their meanings.
* Other Arguments             Input file names and variable assignments.
* AWKPATH Variable            Searching directories for `awk' programs.
* Obsolete                    Obsolete Options and/or features.
* Undocumented                Undocumented Options and Features.
* Known Bugs                  Known Bugs in `gawk'.

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(gawk.info) Invoking Gawk

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