--- a/fasta2gsi.pl
+++ b/fasta2gsi.pl
@@ -1,4 +1,4 @@
-#! /usr/bin/perl
+#!/usr/bin/env perl
 
 # Usage: fasta2gsi.perl <seqfile>
 # Creates seqfile.gsi
--- a/instman.pl
+++ b/instman.pl
@@ -1,4 +1,4 @@
-#! /usr/bin/perl
+#!/usr/bin/env perl
 
 # Sean Eddy, Wed Jul 29 15:24:43 1992
 
--- a/sstofa.pl
+++ b/sstofa.pl
@@ -1,4 +1,4 @@
-#! /usr/bin/perl
+#!/usr/bin/env perl
 
 
 if ($#ARGV < 0) {
--- a/tRNAscan-SE.src
+++ b/tRNAscan-SE.src
@@ -1,4 +1,4 @@
-#! /usr/bin/perl
+#!/usr/bin/env perl
 #
 # --------------------------------------------------------------------
 # tRNAscan-SE: a program for improved detection of transfer RNA