Added rudimentary support for unpacking archive files using Archive::Extract.

[devedit.git] / modules / File / Access.pm

diff --git a/modules/File/Access.pm b/modules/File/Access.pm
index a96dd093c3b453c33f0ae66efe01ffdb47479dbc..5e5cca10f8e143e08de9c920ed3b12b4d1a0dda8 100644 (file)
--- a/modules/File/Access.pm
+++ b/modules/File/Access.pm
@@ -7,7 +7,7 @@ package File::Access;
 # using only one command
 #
 # Author:        Patrick Canterino <patrick@patshaping.de>
 # using only one command
 #
 # Author:        Patrick Canterino <patrick@patshaping.de>

-# Last modified: 2005-08-01
+# Last modified: 2010-12-27

 #
 # Copyright (C) 1999-2000 Roland Bluethgen, Frank Schoenmann
 # Copyright (C) 2003-2009 Patrick Canterino
 #
 # Copyright (C) 1999-2000 Roland Bluethgen, Frank Schoenmann
 # Copyright (C) 2003-2009 Patrick Canterino


@@ -21,7 +21,8 @@ package File::Access;
 use strict;
 
 use vars qw(@EXPORT
 use strict;
 
 use vars qw(@EXPORT

-            $has_flock);
+            $has_flock
+            $has_archive_extract);

 
 use Fcntl qw(:DEFAULT
              :flock);
 
 use Fcntl qw(:DEFAULT
              :flock);


@@ -32,7 +33,8 @@ use File::Copy;
 
 use base qw(Exporter);
 
 
 use base qw(Exporter);
 

-@EXPORT = qw(dir_copy
+@EXPORT = qw(archive_unpack
+             dir_copy

              dir_read
              file_create
              file_lock
              dir_read
              file_create
              file_lock


@@ -49,10 +51,47 @@ use base qw(Exporter);
 
 $has_flock = eval { local $SIG{'__DIE__'}; flock(STDOUT,0); 1 };
 
 
 $has_flock = eval { local $SIG{'__DIE__'}; flock(STDOUT,0); 1 };
 

+# Check if Archive::Extract is available
+
+$has_archive_extract = eval { local $SIG{'__DIE__'}; require Archive::Extract; 1 };
+

 # Predeclaration of dir_copy()
 
 sub dir_copy($$);
 
 # Predeclaration of dir_copy()
 
 sub dir_copy($$);
 

+# archive_unpack()
+#
+# Unpack an archive
+# (archive type must be supported by Archive::Extract)
+#
+# Params: 1. Archive path
+#         2. Path to extract (optional)
+#
+# Return: - Status code (Boolean)
+#         - undef if Archive::Extract is not available
+
+sub archive_unpack($;$)
+{
+ my ($archive,$path) = @_;
+
+ return undef unless($has_archive_extract);
+
+ return unless(-f $archive);
+ return if($path && not -d $path);
+
+ my $ae = Archive::Extract->new(archive => $archive);
+ return unless($ae);
+
+ if($path)
+ {
+  return $ae->extract(to => $path);
+ }
+ else
+ {
+  return $ae->extract;
+ }
+}
+

 # dir_copy()
 #
 # Copy a directory
 # dir_copy()
 #
 # Copy a directory