Errors found in Perl for Bio Informatics I, First Edition Page Error 42 perlgrep.pl should be named pathgrep.pl 91 base_count( $dna ) function not shown. Similar to count.pl and added to the example, calc_temp.pl 114 is($dna1, "AGCT", "Test of the test"): Should have semi-colon at the end of the statement. 119 test() if grep('-t', @ARGV); fails to distinguish test1.dna from -test because the hyphen is a Perl meta-character force it with an escape character, \ should be: test() if grep(/\-t/, @ARGV); 144 tests of BioLibeg.pm not shown in text Included in downloadable files ... t/biolibeg.t 149 Added a fasta modification of nassinov algorithm Could update next edition of alternative files.