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.\" ========================================================================
.\"
.IX Title "File::Spec::VMS 3"
.TH File::Spec::VMS 3 "2019-10-24" "perl v5.30.2" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
File::Spec::VMS \- methods for VMS file specs
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& require File::Spec::VMS; # Done internally by File::Spec if needed
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
See File::Spec::Unix for a documentation of the methods provided
there. This package overrides the implementation of these methods, not
the semantics.
.PP
The default behavior is to allow either \s-1VMS\s0 or Unix syntax on input and to 
return \s-1VMS\s0 syntax on output unless Unix syntax has been explicitly requested
via the \f(CW\*(C`DECC$FILENAME_UNIX_REPORT\*(C'\fR \s-1CRTL\s0 feature.
.IP "canonpath (override)" 4
.IX Item "canonpath (override)"
Removes redundant portions of file specifications and returns results
in native syntax unless Unix filename reporting has been enabled.
.IP "catdir (override)" 4
.IX Item "catdir (override)"
Concatenates a list of file specifications, and returns the result as a
native directory specification unless the Unix filename reporting feature
has been enabled.  No check is made for \*(L"impossible\*(R" cases (e.g. elements
other than the first being absolute filespecs).
.IP "catfile (override)" 4
.IX Item "catfile (override)"
Concatenates a list of directory specifications with a filename specification
to build a path.
.IP "curdir (override)" 4
.IX Item "curdir (override)"
Returns a string representation of the current directory: '[]' or '.'
.IP "devnull (override)" 4
.IX Item "devnull (override)"
Returns a string representation of the null device: '_NLA0:' or '/dev/null'
.IP "rootdir (override)" 4
.IX Item "rootdir (override)"
Returns a string representation of the root directory: 'SYS$DISK:[000000]'
or '/'
.IP "tmpdir (override)" 4
.IX Item "tmpdir (override)"
Returns a string representation of the first writable directory
from the following list or '' if none are writable:
.Sp
.Vb 3
\&    /tmp if C<DECC$FILENAME_UNIX_REPORT> is enabled.
\&    sys$scratch:
\&    $ENV{TMPDIR}
.Ve
.Sp
If running under taint mode, and if \f(CW$ENV\fR{\s-1TMPDIR\s0}
is tainted, it is not used.
.IP "updir (override)" 4
.IX Item "updir (override)"
Returns a string representation of the parent directory: '[\-]' or '..'
.IP "case_tolerant (override)" 4
.IX Item "case_tolerant (override)"
\&\s-1VMS\s0 file specification syntax is case-tolerant.
.IP "path (override)" 4
.IX Item "path (override)"
Translate logical name \s-1DCL$PATH\s0 as a searchlist, rather than trying
to \f(CW\*(C`split\*(C'\fR string value of \f(CW$ENV{\*(AqPATH\*(Aq}\fR.
.IP "file_name_is_absolute (override)" 4
.IX Item "file_name_is_absolute (override)"
Checks for \s-1VMS\s0 directory spec as well as Unix separators.
.IP "splitpath (override)" 4
.IX Item "splitpath (override)"
.Vb 3
\&   ($volume,$directories,$file) = File::Spec\->splitpath( $path );
\&   ($volume,$directories,$file) = File::Spec\->splitpath( $path,
\&                                                         $no_file );
.Ve
.Sp
Passing a true value for \f(CW$no_file\fR indicates that the path being
split only contains directory components, even on systems where you
can usually (when not supporting a foreign syntax) tell the difference
between directories and files at a glance.
.IP "splitdir (override)" 4
.IX Item "splitdir (override)"
Split a directory specification into the components.
.IP "catpath (override)" 4
.IX Item "catpath (override)"
Construct a complete filespec.
.IP "abs2rel (override)" 4
.IX Item "abs2rel (override)"
Attempt to convert an absolute file specification to a relative specification.
.IP "rel2abs (override)" 4
.IX Item "rel2abs (override)"
Return an absolute file specification from a relative one.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (c) 2004\-14 by the Perl 5 Porters.  All rights reserved.
.PP
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
See File::Spec and File::Spec::Unix.  This package overrides the
implementation of these methods, not the semantics.
.PP
An explanation of \s-1VMS\s0 file specs can be found at
<http://h71000.www7.hp.com/doc/731FINAL/4506/4506pro_014.html#apps_locating_naming_files>.