Added usage comment if wrong number of arguments

svn path=/; revision=42

diff --git a/interactome_scripts/fasta_header_fix.pl b/interactome_scripts/fasta_header_fix.pl
index f20fce6cb5b730486ed383543b9994917524a4a1..4027a5d58011ab8426ec7d0dd489d6612004707f 100755 (executable)
--- a/interactome_scripts/fasta_header_fix.pl
+++ b/interactome_scripts/fasta_header_fix.pl
@@ -10,6 +10,8 @@ my @files;
 if($#ARGV == 1) {
        $input_file = $ARGV[0];
        $output_file = $ARGV[1];
+}else{
+       print "Usage: fasta_header_fix.pl input_file output_file\n";
 }
 
 open(in_file, $input_file)  || die "Error: File $input_file can not be opened";