Info Catalog gawk: Invoking Gawk gawk: Options

gawk: Command Line

 
 2.1 Invoking '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:
 
      'awk' [OPTIONS] '-f' PROGFILE ['--'] FILE ...
      'awk' [OPTIONS] ['--'] ''PROGRAM'' FILE ...
 
    In addition to traditional one-letter POSIX-style options, 'gawk'
 also supports GNU long options.
 
    It is possible to invoke 'awk' with an empty program:
 
      awk '' datafile1 datafile2
 
 Doing so makes little sense, though; 'awk' exits silently when given an
 empty program.  (d.c.)  If '--lint' has been specified on the command
 line, 'gawk' issues a warning that the program is empty.
 

Info Catalog gawk: Invoking Gawk gawk: Options