Cool! Is this slice capability a feature that is available only in recent versions of Perl? If so, starting which version?
-Nilanjan -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Uri Guttman Sent: Tuesday, December 02, 2008 4:18 AM To: [email protected] Subject: [Boston.pm] slice of life i was slicing up a csv line (actually tabbed) and i wanted a hash of the desired columns since there were many and i couldn't deal with column numbers in the code. the first row has column names which is needed. there is a slice to initialize the name2col hash and later 3 slices in one statement :). actually i could factor out the list of column numbers and move it outside the loop as it is static. i just realized that now but i doubt i will change this short script just for that. and @wanted_cols should be renamed to @wanted_names (or fields). my @col_names = split( /\t/, <> ) ; my %name2col ; @name2col{ @col_names } = 0 .. $#col_names ; my @wanted_cols = qw( NAME BADDR1 BADDR2 BADDR3 BADDR4 BADDR5 PHONE1 CUSTFLD3 CUSTFLD4 NOTEPAD ) ; while( <> ) { my %fields ; @[EMAIL PROTECTED] = (split( /\t/, $_ ))[ @name2col{ @wanted_cols } ] ; yes, i like slicing! thanx, uri -- Uri Guttman ------ [EMAIL PROTECTED] -------- http://www.sysarch.com -- ----- Perl Code Review , Architecture, Development, Training, Support ------ --------- Free Perl Training --- http://perlhunter.com/college.html --------- --------- Gourmet Hot Cocoa Mix ---- http://bestfriendscocoa.com --------- _______________________________________________ Boston-pm mailing list [email protected] http://mail.pm.org/mailman/listinfo/boston-pm _______________________________________________ Boston-pm mailing list [email protected] http://mail.pm.org/mailman/listinfo/boston-pm
