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author | Siep Kroonenberg <siepo@cybercomm.nl> | 2011-02-17 16:52:23 +0000 |
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committer | Siep Kroonenberg <siepo@cybercomm.nl> | 2011-02-17 16:52:23 +0000 |
commit | 8da2d23733595367fad869e5fbc6c9a87041879b (patch) | |
tree | 0f3719f4eea97f872b6347c6d9ff5aa2ccd38299 /Master/tlpkg/tlperl/lib/getopt.pl | |
parent | 9d55a4cf517a832c74e85179eac4239f9be8d2e7 (diff) |
New tlperl part VIII
git-svn-id: svn://tug.org/texlive/trunk@21430 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/tlpkg/tlperl/lib/getopt.pl')
-rw-r--r-- | Master/tlpkg/tlperl/lib/getopt.pl | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/getopt.pl b/Master/tlpkg/tlperl/lib/getopt.pl new file mode 100644 index 00000000000..343921f39cc --- /dev/null +++ b/Master/tlpkg/tlperl/lib/getopt.pl @@ -0,0 +1,51 @@ +;# $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. +# This legacy library is deprecated and will be removed in a future +# release of perl. +# +# 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; |