Mastering Perl for Bioinformatics
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s/// (substitution) operator scalar context arrays in scalar values assigning to arrays assigning to scalar variables numbers strings 2nd [See also strings] scalar variables assigning scalar values to scalars storing graphics data in scheme scientific (exponential) notation scripts (CGI) second normal form select command SeqFileIO.pm test program SequenceIO module SequenceIO.pm 2nd set_ software reuse sparse arrays sprintf function SQL (Structured Query Language) 2nd 3rd [See also databases] commands create database create table drop insert load utility queries bind variables select command SQL2 SQL3 square brackets ([ ]) start_multipart_form function stat function statements status line STDERR filehandle STDIN filehandle STDOUT filehandle stored procedures string algorithms strings binding operators capturing matched patterns in formatting (sprintf function) matching genetic variability and operators substituting characters in (tr/// operator) subroutines 2nd passing data to by reference passing references to references to returning references from substitution (s///) operator SUPER class superclass symbol tables symbolic references syntactic sugar symbol (=>) system calls, open and close
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