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  1. or download this
     
$ ls | xargs sillytest
  2. or download this
    #!/usr/bin/perl

my @msg = join "\n", @ARGV;
# continue normally - STDIN was not redirected by xargs
  3. or download this
    #!/usr/bin/perl
# XARGS.EXE v0.1
...
push @ARGV, <STDIN>;
chomp @ARGV;
exec join( ' '. @ARGV;