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man:fnmatch

FNMATCH(3) Linux Programmer's Manual FNMATCH(3)

NAME

     fnmatch - match filename or pathname

SYNOPSIS

     #include <fnmatch.h>
     int fnmatch(const char *pattern, const char *string, int flags);

DESCRIPTION

     The  fnmatch()  function checks whether the string argument matches the
     pattern argument, which is a shell wildcard pattern.
     The flags argument modifies the behavior; it is the bitwise OR of  zero
     or more of the following flags:
     FNM_NOESCAPE
            If  this  flag is set, treat backslash as an ordinary character,
            instead of an escape character.
     FNM_PATHNAME
            If this flag is set, match a slash in string only with  a  slash
            in  pattern  and  not  by an asterisk (*) or a question mark (?)
            metacharacter, nor by a bracket  expression  ([])  containing  a
            slash.
     FNM_PERIOD
            If  this  flag  is  set,  a  leading  period in string has to be
            matched exactly by a period in pattern.  A period is  considered
            to be leading if it is the first character in string, or if both
            FNM_PATHNAME is set and the period immediately follows a  slash.
     FNM_FILE_NAME
            This is a GNU synonym for FNM_PATHNAME.
     FNM_LEADING_DIR
            If this flag (a GNU extension) is set, the pattern is considered
            to be matched if it matches an initial segment of  string  which
            is  followed  by  a slash.  This flag is mainly for the internal
            use of glibc and is implemented only in certain cases.
     FNM_CASEFOLD
            If this flag (a GNU extension) is set, the  pattern  is  matched
            case-insensitively.
     FNM_EXTMATCH
            If  this  flag  (a  GNU extension) is set, extended patterns are
            supported, as introduced by 'ksh' and  now  supported  by  other
            shells.   The  extended  format is as follows, with pattern-list
            being a '|' separated list of patterns.
     '?(pattern-list)'
            The pattern matches if zero or one occurrences  of  any  of  the
            patterns in the pattern-list match the input string.
     '*(pattern-list)'
            The  pattern  matches  if zero or more occurrences of any of the
            patterns in the pattern-list match the input string.
     '+(pattern-list)'
            The pattern matches if one or more occurrences  of  any  of  the
            patterns in the pattern-list match the input string.
     '@(pattern-list)'
            The pattern matches if exactly one occurrence of any of the pat-
            terns in the pattern-list match the input string.
     '!(pattern-list)'
            The pattern matches if the input string cannot be  matched  with
            any of the patterns in the pattern-list.

RETURN VALUE

     Zero  if  string  matches  pattern, FNM_NOMATCH if there is no match or
     another nonzero value if there is an error.

ATTRIBUTES

     For  an  explanation  of  the  terms  used   in   this   section,   see
     attributes(7).
     +----------+---------------+--------------------+
     |Interface | Attribute     | Value              |
     +----------+---------------+--------------------+
     |fnmatch() | Thread safety | MT-Safe env locale |
     +----------+---------------+--------------------+

CONFORMING TO

     POSIX.1-2001,  POSIX.1-2008,  POSIX.2.   The  FNM_FILE_NAME,  FNM_LEAD-
     ING_DIR, and FNM_CASEFOLD flags are GNU extensions.

SEE ALSO

     sh(1), glob(3), scandir(3), wordexp(3), glob(7)

COLOPHON

     This page is part of release 4.16 of the Linux  man-pages  project.   A
     description  of  the project, information about reporting bugs, and the
     latest    version    of    this    page,    can     be     found     at
     https://www.kernel.org/doc/man-pages/.

GNU 2015-12-28 FNMATCH(3)

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