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[14489] | 1 | ;# getopts.pl - a better getopt.pl
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| 2 | #
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| 3 | # This library is no longer being maintained, and is included for backward
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| 4 | # compatibility with Perl 4 programs which may require it.
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| 5 | #
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| 6 | # In particular, this should not be used as an example of modern Perl
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| 7 | # programming techniques.
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| 8 | #
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| 9 | # Suggested alternatives: Getopt::Long or Getopt::Std
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| 10 | #
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| 11 | ;# Usage:
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| 12 | ;# do Getopts('a:bc'); # -a takes arg. -b & -c not. Sets opt_* as a
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| 13 | ;# # side effect.
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| 14 |
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| 15 | sub Getopts {
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| 16 | local($argumentative) = @_;
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| 17 | local(@args,$_,$first,$rest);
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| 18 | local($errs) = 0;
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| 19 | local($[) = 0;
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| 20 |
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| 21 | @args = split( / */, $argumentative );
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| 22 | while(@ARGV && ($_ = $ARGV[0]) =~ /^-(.)(.*)/) {
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| 23 | ($first,$rest) = ($1,$2);
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| 24 | $pos = index($argumentative,$first);
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| 25 | if($pos >= $[) {
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| 26 | if($args[$pos+1] eq ':') {
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| 27 | shift(@ARGV);
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| 28 | if($rest eq '') {
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| 29 | ++$errs unless(@ARGV);
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| 30 | $rest = shift(@ARGV);
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| 31 | }
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| 32 | eval "
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| 33 | push(\@opt_$first, \$rest);
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| 34 | if (!defined \$opt_$first or \$opt_$first eq '') {
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| 35 | \$opt_$first = \$rest;
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| 36 | }
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| 37 | else {
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| 38 | \$opt_$first .= ' ' . \$rest;
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| 39 | }
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| 40 | ";
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| 41 | }
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| 42 | else {
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| 43 | eval "\$opt_$first = 1";
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| 44 | if($rest eq '') {
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| 45 | shift(@ARGV);
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| 46 | }
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| 47 | else {
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| 48 | $ARGV[0] = "-$rest";
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| 49 | }
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| 50 | }
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| 51 | }
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| 52 | else {
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| 53 | print STDERR "Unknown option: $first\n";
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| 54 | ++$errs;
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| 55 | if($rest ne '') {
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| 56 | $ARGV[0] = "-$rest";
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| 57 | }
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| 58 | else {
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| 59 | shift(@ARGV);
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| 60 | }
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| 61 | }
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| 62 | }
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| 63 | $errs == 0;
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| 64 | }
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| 65 |
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| 66 | 1;
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