#!/usr/bin/perl -w

# $Id$
# Yoni, 2.6.00

if ($#ARGV<2) {
  print STDERR<<EOM;
  rename file names using perl substitution:
       rename 'upper unless /^Make/' *
       rename 'lower unless /^Make/' *
       rename 'y/A-Z/a-z/ unless /^Make/' *     (same as above)
       rename 's/\.orig\$//' *.orig
       rename '\$_ .= "-t"' *
EOM
  exit(1);
}
$op = shift;

$op =~ s|lower|y/A-Z/a-z/|;
$op =~ s|upper|y/a-z/A-Z/|;

for (@ARGV) {
  $was = $_;
  eval $op;
  $newnames{$_}++;
  $moveto{$was} = $_;
}

$ok=1;
foreach (keys %newnames) {
  if ($newnames{$_}>1) {
    print STDERR "Multiple files ($newnames{$_}) would be renamed to $
+_\n";
    $ok=0;
  }
}

exit 1 if(!$ok);

foreach (keys %moveto) {
  next if ($_ eq$moveto{$_});
  print "Renaming $_ to $moveto{$_}\n";
  rename($_,$moveto{$_});
}

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In reply to rename script by Anonymous Monk

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