Add symlink support to Cwd::_vms_abs_path.

[perl5.git] / lib / getopt.pl

diff --git a/lib/getopt.pl b/lib/getopt.pl
index 4832233..77d8d89 100644 (file)
--- a/lib/getopt.pl
+++ b/lib/getopt.pl
@@ -1,5 +1,13 @@
-;# $Header: getopt.pl,v 2.0 88/06/05 00:16:22 root Exp $
-
+;# $RCSfile: getopt.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:23:58 $
+#
+# This library is no longer being maintained, and is included for backward
+# compatibility with Perl 4 programs which may require it.
+#
+# In particular, this should not be used as an example of modern Perl
+# programming techniques.
+#
+# Suggested alternatives: Getopt::Long or Getopt::Std
+#
 ;# Process single-character switches with switch clustering.  Pass one argument
 ;# which is a string containing all switches that take an argument.  For each
 ;# switch found, sets $opt_x (where x is the switch name) to the value of the
@@ -12,27 +20,30 @@
 sub Getopt {
     local($argumentative) = @_;
     local($_,$first,$rest);
+    local($[) = 0;
 
-    while (($_ = $ARGV[0]) =~ /^-(.)(.*)/) {
+    while (@ARGV && ($_ = $ARGV[0]) =~ /^-(.)(.*)/) {
        ($first,$rest) = ($1,$2);
        if (index($argumentative,$first) >= $[) {
            if ($rest ne '') {
-               shift;
+               shift(@ARGV);
            }
            else {
-               shift;
-               $rest = shift;
+               shift(@ARGV);
+               $rest = shift(@ARGV);
            }
-           eval "\$opt_$first = \$rest;";
+           ${"opt_$first"} = $rest;
        }
        else {
-           eval "\$opt_$first = 1;";
+           ${"opt_$first"} = 1;
            if ($rest ne '') {
                $ARGV[0] = "-$rest";
            }
            else {
-               shift;
+               shift(@ARGV);
            }
        }
     }
 }
+
+1;