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+
+package File::Spec::VMS;
+
+use Carp qw( &carp );
+use Config;
+require Exporter;
+use VMS::Filespec;
+use File::Basename;
+
+use File::Spec;
+use vars qw($Revision);
+$Revision = '5.3901 (6-Mar-1997)';
+
+@ISA = qw(File::Spec::Unix);
+
+Exporter::import('File::Spec', '$Verbose');
+
+=head1 NAME
+
+File::Spec::VMS - methods for VMS file specs
+
+=head1 SYNOPSIS
+
+ use File::Spec::VMS; # Done internally by File::Spec if needed
+
+=head1 DESCRIPTION
+
+See File::Spec::Unix for a documentation of the methods provided
+there. This package overrides the implementation of these methods, not
+the semantics.
+
+=head2 Methods always loaded
+
+=over
+
+=item catdir
+
+Concatenates a list of file specifications, and returns the result as a
+VMS-syntax directory specification.
+
+=cut
+
+sub catdir {
+ my($self,@dirs) = @_;
+ my($dir) = pop @dirs;
+ @dirs = grep($_,@dirs);
+ my($rslt);
+ if (@dirs) {
+ my($path) = (@dirs == 1 ? $dirs[0] : $self->catdir(@dirs));
+ my($spath,$sdir) = ($path,$dir);
+ $spath =~ s/.dir$//; $sdir =~ s/.dir$//;
+ $sdir = $self->eliminate_macros($sdir) unless $sdir =~ /^[\w\-]+$/;
+ $rslt = $self->fixpath($self->eliminate_macros($spath)."/$sdir",1);
+ }
+ else {
+ if ($dir =~ /^\$\([^\)]+\)$/) { $rslt = $dir; }
+ else { $rslt = vmspath($dir); }
+ }
+ print "catdir(",join(',',@_[1..$#_]),") = |$rslt|\n" if $Verbose >= 3;
+ $rslt;
+}
+
+=item catfile
+
+Concatenates a list of file specifications, and returns the result as a
+VMS-syntax directory specification.
+
+=cut
+
+sub catfile {
+ my($self,@files) = @_;
+ my($file) = pop @files;
+ @files = grep($_,@files);
+ my($rslt);
+ if (@files) {
+ my($path) = (@files == 1 ? $files[0] : $self->catdir(@files));
+ my($spath) = $path;
+ $spath =~ s/.dir$//;
+ if ( $spath =~ /^[^\)\]\/:>]+\)$/ && basename($file) eq $file) { $rslt = "$spath$file"; }
+ else {
+ $rslt = $self->eliminate_macros($spath);
+ $rslt = vmsify($rslt.($rslt ? '/' : '').unixify($file));
+ }
+ }
+ else { $rslt = vmsify($file); }
+ print "catfile(",join(',',@_[1..$#_]),") = |$rslt|\n" if $Verbose >= 3;
+ $rslt;
+}
+
+=item curdir (override)
+
+Returns a string representing of the current directory.
+
+=cut
+
+sub curdir {
+ return '[]';
+}
+
+=item rootdir (override)
+
+Returns a string representing of the root directory.
+
+=cut
+
+sub rootdir {
+ return '';
+}
+
+=item updir (override)
+
+Returns a string representing of the parent directory.
+
+=cut
+
+sub updir {
+ return '[-]';
+}
+
+=item path (override)
+
+Translate logical name DCL$PATH as a searchlist, rather than trying
+to C<split> string value of C<$ENV{'PATH'}>.
+
+=cut
+
+sub path {
+ my(@dirs,$dir,$i);
+ while ($dir = $ENV{'DCL$PATH;' . $i++}) { push(@dirs,$dir); }
+ @dirs;
+}
+
+=item file_name_is_absolute (override)
+
+Checks for VMS directory spec as well as Unix separators.
+
+=cut
+
+sub file_name_is_absolute {
+ my($self,$file) = @_;
+ # If it's a logical name, expand it.
+ $file = $ENV{$file} while $file =~ /^[\w\$\-]+$/ and $ENV{$file};
+ $file =~ m!^/! or $file =~ m![<\[][^.\-\]>]! or $file =~ /:[^<\[]/;
+}
+
+1;
+__END__
+