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root |
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;# getopts.pl - a better getopt.pl |
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# |
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# This library is no longer being maintained, and is included for backward |
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# compatibility with Perl 4 programs which may require it. |
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# |
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# In particular, this should not be used as an example of modern Perl |
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# programming techniques. |
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# |
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# Suggested alternatives: Getopt::Long or Getopt::Std |
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# |
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;# Usage: |
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;# do Getopts('a:bc'); # -a takes arg. -b & -c not. Sets opt_* as a |
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;# # side effect. |
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sub Getopts { |
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local($argumentative) = @_; |
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local(@args,$_,$first,$rest); |
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local($errs) = 0; |
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local($[) = 0; |
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@args = split( / */, $argumentative ); |
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while(@ARGV && ($_ = $ARGV[0]) =~ /^-(.)(.*)/) { |
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($first,$rest) = ($1,$2); |
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$pos = index($argumentative,$first); |
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if($pos >= $[) { |
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if($args[$pos+1] eq ':') { |
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shift(@ARGV); |
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if($rest eq '') { |
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++$errs unless(@ARGV); |
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$rest = shift(@ARGV); |
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} |
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eval " |
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push(\@opt_$first, \$rest); |
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if (!defined \$opt_$first or \$opt_$first eq '') { |
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\$opt_$first = \$rest; |
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} |
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else { |
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\$opt_$first .= ' ' . \$rest; |
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} |
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"; |
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} |
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else { |
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eval "\$opt_$first = 1"; |
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if($rest eq '') { |
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shift(@ARGV); |
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} |
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else { |
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$ARGV[0] = "-$rest"; |
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} |
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} |
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} |
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else { |
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print STDERR "Unknown option: $first\n"; |
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++$errs; |
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if($rest ne '') { |
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$ARGV[0] = "-$rest"; |
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} |
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else { |
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shift(@ARGV); |
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} |
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} |
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} |
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$errs == 0; |
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} |
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1; |
