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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) rou- tine. It adds a single function named fnmatch(), one predefined vari- able (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 fn- match(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 variable FNM_NO- MATCH, 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), in- place(3am), ordchr(3am), readdir(3am), readfile(3am), revoutput(3am), rwarray(3am), time(3am). fnmatch(3). AUTHOR Arnold Robbins, arnold@skeeve.com. COPYING PERMISSIONS Copyright (C) 2012, 2013, 2018, 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 man- ual page into another language, under the above conditions for modified versions, except that this permission notice may be stated in a trans- lation approved by the Foundation. Free Software Foundation Feb 21 2018 FNMATCH(3am)
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