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FNMATCH(3am)                        GNU Awk Extension Modules                        FNMATCH(3am)

NAME
       fnmatch - compare a string against a filename wildcard

SYNOPSIS
       @load "fnmatch"

       result = fnmatch(pattern, string, flags)

DESCRIPTION
       The fnmatch extension provides an AWK interface to the fnmatch(3) routine.  It adds a sin‐
       gle 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:

       FNM["CASEFOLD"]
              Corresponds to the FNM_CASEFOLD flag as defined in fnmatch(3).

       FNM["FILE_NAME"]
              Corresponds to the FNM_FILE_NAME flag as defined in fnmatch(3).

       FNM["LEADING_DIR"]
              Corresponds to the FNM_LEADING_DIR flag as defined in fnmatch(3).

       FNM["NOESCAPE"]
              Corresponds to the FNM_NOESCAPE flag as defined in fnmatch(3).

       FNM["PATHNAME"]
              Corresponds to the FNM_PATHNAME flag as defined in fnmatch(3).

       FNM["PERIOD"]
              Corresponds to the FNM_PERIOD flag as defined in fnmatch(3).

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

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

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

       fnmatch(3).

AUTHOR
       Arnold Robbins, arnold@skeeve.com.

COPYING PERMISSIONS
       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.

Free Software Foundation                   Jan 15 2013                               FNMATCH(3am)

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