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

sub usage {
print <<EOF;
'REMoveREMarks'!

remrem.pl deletes blank lines  or lines starting with a '#' from a giv
+en file-one 
and prints it to STDOUT or writes it to file-two

Syntax :

 $0 inputfile 
 # STOUT, try $0 inputfile | less 

 $0 inputfile outputfile 
 #Output tho <outputfile>

EOF
}
if (
    (! $ARGV[0]            ) or
    (  $ARGV[0] eq "--help")
   ) {
 usage;
 exit;
}

open(FUN,"<$ARGV[0]")||die "Can't open file $ARGV[0] for reading";
if ($ARGV[1]) {
    open(GUN,">>$ARGV[1]")||die "Can't open file $ARGV[1] for writing"
}

foreach $zeile (<FUN>) {
       $zaehler++;
       if (
           ( ! ($zeile=~/^(#+)/ ) ) and
           ( $zeile=~/\w/)
          ) {
             if ($ARGV[1]) {
                 print GUN $zeile
             }
             else {
                   print "$zaehler: $zeile"
                  }
       }
}

if ($ARGV[1]) {
    close(GUN)||die "Can't close filehandle $ARGV[1]."
}
close(FUN)||die "Can't close filehandle $ARGV[0]."
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