fnmatch - compare a string against a filename wildcard


   @load "fnmatch"

   result = fnmatch(pattern, string, flags)


   The  fnmatch  extension  provides  an  AWK  interface to the fnmatch(3)
   routine.  It adds a single function  named  fnmatch(),  one  predefined
   variable (FNM_NOMATCH), and an array of flag values named FNM.

   The first argument is the filename wildcard to match, the second is the
   filename string, and the third is either zero, or the bitwise OR of one
   or more of the flags in the FNM array.

   The  return value is zero on success, FNM_NOMATCH if the string did not
   match the pattern, or a different non-zero value if an error occurred.

   The flags are follows:

          Corresponds to the FNM_CASEFOLD flag as defined in fnmatch(3).

          Corresponds to the FNM_FILE_NAME flag as defined in fnmatch(3).

          Corresponds  to  the  FNM_LEADING_DIR   flag   as   defined   in

          Corresponds to the FNM_NOESCAPE flag as defined in fnmatch(3).

          Corresponds to the FNM_PATHNAME flag as defined in fnmatch(3).

          Corresponds to the FNM_PERIOD flag as defined in fnmatch(3).


   Nothing  prevents  AWK  code  from  changing  the  predefined variabale
   FNM_NOMATCH, but doing so may cause strange results.


   @load "fnmatch"
   flags = or(FNM["PERIOD"], FNM["NOESCAPE"])
   if (fnmatch("*.a", "foo.c", flags) == FNM_NOMATCH)
        print "no match"


   GAWK:   Effective   AWK   Programming,    filefuncs(3am),    fork(3am),
   inplace(3am), ordchr(3am), readdir(3am), readfile(3am), revoutput(3am),
   rwarray(3am), time(3am).



   Arnold Robbins, arnold@skeeve.com.


   Copyright  2012, 2013, Free Software Foundation, Inc.

   Permission is granted to make and distribute verbatim  copies  of  this
   manual  page  provided  the copyright notice and this permission notice
   are preserved on all copies.

   Permission is granted to copy and distribute modified versions of  this
   manual  page  under  the conditions for verbatim copying, provided that
   the entire resulting derived work is distributed under the terms  of  a
   permission notice identical to this one.

   Permission  is  granted  to  copy  and  distribute translations of this
   manual page into another  language,  under  the  above  conditions  for
   modified  versions, except that this permission notice may be stated in
   a translation approved by the Foundation.

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