#!/usr/local/bin/perl -w


######################################################################
#
# cat.pl
# Tom Kelliher
#
# Synopsis:
#    cat.pl file [file ...]
#    
# Read files sequentially, writing them to the standard output.  A
# diagnostic is printed to STDERR for files not found, then processing
# continues with the next file.
#
######################################################################


use strict;


######################################################################
#
# main()
#
######################################################################

{
   my $file;   # current file name
   my $i;      # index variable
   my $line;   # current line from current file

   # process each command line file

   for ($i = 0; $i <= $#ARGV; ++$i)
   {
      # try to open the file.  If we can't, move on.

      if (!open(INFILE, $ARGV[$i]))
      {
         print(STDERR "$0: can't open $ARGV[$i].\n");
         next;
      }

      $line = <INFILE>;

      # read lines from the file

      while ($line)
      {
         print $line;
         $line = <INFILE>;
      }

      close(INFILE);
   }

   exit 0;
}