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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ=head1 NAME File::Basename - Parse file paths into directory, filename and suffix. =head1 SYNOPSIS use File::Basename; ($name,$path,$suffix) = fileparse($fullname,@suffixlist); $name = fileparse($fullname,@suffixlist); $basename = basename($fullname,@suffixlist); $dirname = dirname($fullname); =head1 DESCRIPTION These routines allow you to parse file paths into their directory, filename and suffix. B: C and C emulate the behaviours, and quirks, of the shell and C functions of the same name. See each function's documentation for details. If your concern is just parsing paths it is safer to use L's C and C methods. It is guaranteed that # Where $path_separator is / for Unix, \ for Windows, etc... dirname($path) . $path_separator . basename($path); is equivalent to the original path for all systems but VMS. =cut package File::Basename; # File::Basename is used during the Perl build, when the re extension may # not be available, but we only actually need it if running under tainting. BEGIN { if (${^TAINT}) { require re; re->import('taint'); } } use strict; use 5.006; use warnings; our(@ISA, @EXPORT, $VERSION, $Fileparse_fstype, $Fileparse_igncase); require Exporter; @ISA = qw(Exporter); @EXPORT = qw(fileparse fileparse_set_fstype basename dirname); $VERSION = "2.85"; fileparse_set_fstype($^O); =over 4 =item C X my($filename, $dirs, $suffix) = fileparse($path); my($filename, $dirs, $suffix) = fileparse($path, @suffixes); my $filename = fileparse($path, @suffixes); The C routine divides a file path into its $dirs, $filename and (optionally) the filename $suffix. $dirs contains everything up to and including the last directory separator in the $path including the volume (if applicable). The remainder of the $path is the $filename. # On Unix returns ("baz", "/foo/bar/", "") fileparse("/foo/bar/baz"); # On Windows returns ("baz", 'C:\foo\bar\', "") fileparse('C:\foo\bar\baz'); # On Unix returns ("", "/foo/bar/baz/", "") fileparse("/foo/bar/baz/"); If @suffixes are given each element is a pattern (either a string or a C) matched against the end of the $filename. The matching portion is removed and becomes the $suffix. # On Unix returns ("baz", "/foo/bar/", ".txt") fileparse("/foo/bar/baz.txt", qr/\.[^.]*/); If type is non-Unix (see L) then the pattern matching for suffix removal is performed case-insensitively, since those systems are not case-sensitive when opening existing files. You are guaranteed that C<$dirs . $filename . $suffix> will denote the same location as the original $path. =cut sub fileparse { my($fullname,@suffices) = @_; unless (defined $fullname) { require Carp; Carp::croak("fileparse(): need a valid pathname"); } my $orig_type = ''; my($type,$igncase) = ($Fileparse_fstype, $Fileparse_igncase); my($taint) = substr($fullname,0,0); # Is $fullname tainted? if ($type eq "VMS" and $fullname =~ m{/} ) { # We're doing Unix emulation $orig_type = $type; $type = 'Unix'; } my($dirpath, $basename); if (grep { $type eq $_ } qw(MSDOS DOS MSWin32 Epoc)) { ($dirpath,$basename) = ($fullname =~ /^((?:.*[:\\\/])?)(.*)/s); $dirpath .= '.\\' unless $dirpath =~ /[\\\/]\z/; } elsif ($type eq "OS2") { ($dirpath,$basename) = ($fullname =~ m#^((?:.*[:\\/])?)(.*)#s); $dirpath = './' unless $dirpath; # Can't be 0 $dirpath .= '/' unless $dirpath =~ m#[\\/]\z#; } elsif ($type eq "MacOS") { ($dirpath,$basename) = ($fullname =~ /^(.*:)?(.*)/s); $dirpath = ':' unless $dirpath; } elsif ($type eq "AmigaOS") { ($dirpath,$basename) = ($fullname =~ /(.*[:\/])?(.*)/s); $dirpath = './' unless $dirpath; } elsif ($type eq 'VMS' ) { ($dirpath,$basename) = ($fullname =~ /^(.*[:>\]])?(.*)/s); $dirpath ||= ''; # should always be defined } else { # Default to Unix semantics. ($dirpath,$basename) = ($fullname =~ m{^(.*/)?(.*)}s); if ($orig_type eq 'VMS' and $fullname =~ m{^(/[^/]+/000000(/|$))(.*)}) { # dev:[000000] is top of VMS tree, similar to Unix '/' # so strip it off and treat the rest as "normal" my $devspec = $1; my $remainder = $3; ($dirpath,$basename) = ($remainder =~ m{^(.*/)?(.*)}s); $dirpath ||= ''; # should always be defined $dirpath = $devspec.$dirpath; } $dirpath = './' unless $dirpath; } my $tail = ''; my $suffix = ''; if (@suffices) { foreach $suffix (@suffices) { my $pat = ($igncase ? '(?i)' : '') . "($suffix)\$"; if ($basename =~ s/$pat//s) { $taint .= substr($suffix,0,0); $tail = $1 . $tail; } } } # Ensure taint is propagated from the path to its pieces. $tail .= $taint; wantarray ? ($basename .= $taint, $dirpath .= $taint, $tail) : ($basename .= $taint); } =item C X X my $filename = basename($path); my $filename = basename($path, @suffixes); This function is provided for compatibility with the Unix shell command C. It does B always return the file name portion of a path as you might expect. To be safe, if you want the file name portion of a path use C. C returns the last level of a filepath even if the last level is clearly directory. In effect, it is acting like C for paths. This differs from C's behaviour. # Both return "bar" basename("/foo/bar"); basename("/foo/bar/"); @suffixes work as in C except all regex metacharacters are quoted. # These two function calls are equivalent. my $filename = basename("/foo/bar/baz.txt", ".txt"); my $filename = fileparse("/foo/bar/baz.txt", qr/\Q.txt\E/); Also note that in order to be compatible with the shell command, C does not strip off a suffix if it is identical to the remaining characters in the filename. =cut sub basename { my($path) = shift; # From BSD basename(1) # The basename utility deletes any prefix ending with the last slash '/' # character present in string (after first stripping trailing slashes) _strip_trailing_sep($path); my($basename, $dirname, $suffix) = fileparse( $path, map("\Q$_\E",@_) ); # From BSD basename(1) # The suffix is not stripped if it is identical to the remaining # characters in string. if( length $suffix and !length $basename ) { $basename = $suffix; } # Ensure that basename '/' == '/' if( !length $basename ) { $basename = $dirname; } return $basename; } =item C X This function is provided for compatibility with the Unix shell command C and has inherited some of its quirks. In spite of its name it does B always return the directory name as you might expect. To be safe, if you want the directory name of a path use C. Only on VMS (where there is no ambiguity between the file and directory portions of a path) and AmigaOS (possibly due to an implementation quirk in this module) does C work like C, returning just the $dirs. # On VMS and AmigaOS my $dirs = dirname($path); When using Unix or MSDOS syntax this emulates the C shell function which is subtly different from how C works. It returns all but the last level of a file path even if the last level is clearly a directory. In effect, it is not returning the directory portion but simply the path one level up acting like C for file paths. Also unlike C, C does not include a trailing slash on its returned path. # returns /foo/bar. fileparse() would return /foo/bar/ dirname("/foo/bar/baz"); # also returns /foo/bar despite the fact that baz is clearly a # directory. fileparse() would return /foo/bar/baz/ dirname("/foo/bar/baz/"); # returns '.'. fileparse() would return 'foo/' dirname("foo/"); Under VMS, if there is no directory information in the $path, then the current default device and directory is used. =cut sub dirname { my $path = shift; my($type) = $Fileparse_fstype; if( $type eq 'VMS' and $path =~ m{/} ) { # Parse as Unix local($File::Basename::Fileparse_fstype) = ''; return dirname($path); } my($basename, $dirname) = fileparse($path); if ($type eq 'VMS') { $dirname ||= $ENV{DEFAULT}; } elsif ($type eq 'MacOS') { if( !length($basename) && $dirname !~ /^[^:]+:\z/) { _strip_trailing_sep($dirname); ($basename,$dirname) = fileparse $dirname; } $dirname .= ":" unless $dirname =~ /:\z/; } elsif (grep { $type eq $_ } qw(MSDOS DOS MSWin32 OS2)) { _strip_trailing_sep($dirname); unless( length($basename) ) { ($basename,$dirname) = fileparse $dirname; _strip_trailing_sep($dirname); } } elsif ($type eq 'AmigaOS') { if ( $dirname =~ /:\z/) { return $dirname } chop $dirname; $dirname =~ s{[^:/]+\z}{} unless length($basename); } else { _strip_trailing_sep($dirname); unless( length($basename) ) { ($basename,$dirname) = fileparse $dirname; _strip_trailing_sep($dirname); } } $dirname; } # Strip the trailing path separator. sub _strip_trailing_sep { my $type = $Fileparse_fstype; if ($type eq 'MacOS') { $_[0] =~ s/([^:]):\z/$1/s; } elsif (grep { $type eq $_ } qw(MSDOS DOS MSWin32 OS2)) { $_[0] =~ s/([^:])[\\\/]*\z/$1/; } else { $_[0] =~ s{(.)/*\z}{$1}s; } } =item C X my $type = fileparse_set_fstype(); my $previous_type = fileparse_set_fstype($type); Normally File::Basename will assume a file path type native to your current operating system (ie. /foo/bar style on Unix, \foo\bar on Windows, etc...). With this function you can override that assumption. Valid $types are "MacOS", "VMS", "AmigaOS", "OS2", "RISCOS", "MSWin32", "DOS" (also "MSDOS" for backwards bug compatibility), "Epoc" and "Unix" (all case-insensitive). If an unrecognized $type is given "Unix" will be assumed. If you've selected VMS syntax, and the file specification you pass to one of these routines contains a "/", they assume you are using Unix emulation and apply the Unix syntax rules instead, for that function call only. =back =cut BEGIN { my @Ignore_Case = qw(MacOS VMS AmigaOS OS2 RISCOS MSWin32 MSDOS DOS Epoc); my @Types = (@Ignore_Case, qw(Unix)); sub fileparse_set_fstype { my $old = $Fileparse_fstype; if (@_) { my $new_type = shift; $Fileparse_fstype = 'Unix'; # default foreach my $type (@Types) { $Fileparse_fstype = $type if $new_type =~ /^$type/i; } $Fileparse_igncase = (grep $Fileparse_fstype eq $_, @Ignore_Case) ? 1 : 0; } return $old; } } 1; =head1 SEE ALSO L, L, L