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Manual Pages  — FNMATCH

NAME

fnmatch – test whether a filename or pathname matches a shell-style pattern

CONTENTS

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <fnmatch.h>

int
fnmatch(const char *pattern, const char *string, int flags);

DESCRIPTION

The fnmatch() function matches patterns according to the rules used by the shell. It checks the string specified by the string argument to see if it matches the pattern specified by the pattern argument.

The flags argument modifies the interpretation of pattern and string. The value of flags is the bitwise inclusive OR of any of the following constants, which are defined in the include file <fnmatch.h>.
FNM_NOESCAPE
  Normally, every occurrence of a backslash (‘\’) followed by a character in pattern is replaced by that character. This is done to negate any special meaning for the character. If the FNM_NOESCAPE flag is set, a backslash character is treated as an ordinary character.
FNM_PATHNAME
  Slash characters in string must be explicitly matched by slashes in pattern. If this flag is not set, then slashes are treated as regular characters.
FNM_PERIOD Leading periods in string must be explicitly matched by periods in pattern. If this flag is not set, then leading periods are treated as regular characters. The definition of "leading" is related to the specification of FNM_PATHNAME. A period is always "leading" if it is the first character in string. Additionally, if FNM_PATHNAME is set, a period is leading if it immediately follows a slash.
FNM_LEADING_DIR
  Ignore "/*" rest after successful pattern matching.
FNM_CASEFOLD
  Ignore case distinctions in both the pattern and the string.

RETURN VALUES

The fnmatch() function returns zero if string matches the pattern specified by pattern, otherwise, it returns the value FNM_NOMATCH.

SEE ALSO

sh(1), glob(3), regex(3)

STANDARDS

The current implementation of the fnmatch() function does not conform to IEEE Std 1003.2 ("POSIX.2"). Collating symbol expressions, equivalence class expressions and character class expressions are not supported.

HISTORY

The fnmatch() function first appeared in BSD 4.4 .

BUGS

The pattern ‘*’ matches the empty string, even if FNM_PATHNAME is specified.

FNMATCH (3) July 18, 2004

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