util/copy.pl

   1 #!/usr/local/bin/perl
   2
   3 use Fcntl;
   4
   5
   6 # copy.pl
   7
   8 # Perl script 'copy' comment. On Windows the built in "copy" command also
   9 # copies timestamps: this messes up Makefile dependencies.
  10
  11 my $stripcr = 0;
  12
  13 my $arg;
  14
  15 foreach $arg (@ARGV) {
  16         if ($arg eq "-stripcr")
  17                 {
  18                 $stripcr = 1;
  19                 next;
  20                 }
  21         $arg =~ s|\\|/|g;       # compensate for bug/feature in cygwin glob...
  22         foreach (glob $arg)
  23                 {
  24                 push @filelist, $_;
  25                 }
  26 }
  27
  28 $fnum = @filelist;
  29
  30 if ($fnum <= 1)
  31         {
  32         die "Need at least two filenames";
  33         }
  34
  35 $dest = pop @filelist;
  36
  37 if ($fnum > 2 && ! -d $dest)
  38         {
  39         die "Destination must be a directory";
  40         }
  41
  42 foreach (@filelist)
  43         {
  44         if (-d $dest)
  45                 {
  46                 $dfile = $_;
  47                 $dfile =~ s|^.*[/\\]([^/\\]*)$|$1|;
  48                 $dfile = "$dest/$dfile";
  49                 }
  50         else
  51                 {
  52                 $dfile = $dest;
  53                 }
  54         sysopen(IN, $_, O_RDONLY|O_BINARY) || die "Can't Open $_";
  55         sysopen(OUT, $dfile, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY)
  56                                         || die "Can't Open $dfile";
  57         while (sysread IN, $buf, 10240)
  58                 {
  59                 if ($stripcr)
  60                         {
  61                         $buf =~ tr/\015//d;
  62                         }
  63                 syswrite(OUT, $buf, length($buf));
  64                 }
  65         close(IN);
  66         close(OUT);
  67         print "Copying: $_ to $dfile\n";
  68         }
  69
  70