| ;# $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 $opt_x (where x is the switch name) to the value of the |
| ;# argument, or 1 if no argument. Switches which take an argument don't care |
| ;# whether there is a space between the switch and the argument. |
| |
| ;# Usage: |
| ;# do Getopt('oDI'); # -o, -D & -I take arg. Sets opt_* as a side effect. |
| |
| sub Getopt { |
| local($argumentative) = @_; |
| local($_,$first,$rest); |
| local($[) = 0; |
| |
| while (@ARGV && ($_ = $ARGV[0]) =~ /^-(.)(.*)/) { |
| ($first,$rest) = ($1,$2); |
| if (index($argumentative,$first) >= $[) { |
| if ($rest ne '') { |
| shift(@ARGV); |
| } |
| else { |
| shift(@ARGV); |
| $rest = shift(@ARGV); |
| } |
| ${"opt_$first"} = $rest; |
| } |
| else { |
| ${"opt_$first"} = 1; |
| if ($rest ne '') { |
| $ARGV[0] = "-$rest"; |
| } |
| else { |
| shift(@ARGV); |
| } |
| } |
| } |
| } |
| |
| 1; |