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
  12 my $stripcr = 0;
  13
  14 my $arg;
  15
  16 foreach $arg (@ARGV) {
  17         if ($arg eq "-stripcr")
  18                 {
  19                 $stripcr = 1;
  20                 next;
  21                 }
  22         $arg =~ s|\\|/|g;       # compensate for bug/feature in cygwin glob...
  23         foreach (glob $arg)
  24                 {
  25                 push @filelist, $_;
  26                 }
  27 }
  28
  29 $fnum = @filelist;
  30
  31 if ($fnum <= 1)
  32         {
  33         die "Need at least two filenames";
  34         }
  35
  36 $dest = pop @filelist;
  37
  38 if ($fnum > 2 && ! -d $dest)
  39         {
  40         die "Destination must be a directory";
  41         }
  42
  43 foreach (@filelist)
  44         {
  45         if (-d $dest)
  46                 {
  47                 $dfile = $_;
  48                 $dfile =~ s|^.*[/\\]([^/\\]*)$|$1|;
  49                 $dfile = "$dest/$dfile";
  50                 }
  51         else
  52                 {
  53                 $dfile = $dest;
  54                 }
  55         sysopen(IN, $_, O_RDONLY|O_BINARY) || die "Can't Open $_";
  56         sysopen(OUT, $dfile, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY)
  57                                         || die "Can't Open $dfile";
  58         while (sysread IN, $buf, 10240)
  59                 {
  60                 if ($stripcr)
  61                         {
  62                         $buf =~ tr/\015//d;
  63                         }
  64                 syswrite(OUT, $buf, length($buf));
  65                 }
  66         close(IN);
  67         close(OUT);
  68         print "Copying: $_ to $dfile\n";
  69         }
  70
  71