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my $decimal = '1.2foo'; $decimal = to_decimal($decimal) unless is_decimal($decimal);
#!/usr/bin/perl use strict; ... @avgsHash{ @cols } = @avgs; # uses a hash slice to populate %avgs +Hash print "Col,Avg\n"; printf("%s,%f\n", $_, $avgsHash{$_}) for @cols;
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5.003 (Camel Book 2nd Edition) 5.6 (Camel Book 3rd Edition) 5.8 (stable version for >5 years) 5.10 (many new features now in common use) 5.16 (Camel Book 4th Edition) 5.18 (hash overhaul) 5.26 (no "." in @INC) 5.36 (subroutine signatures) Dynamic (no standard; code dictates VERSION) Other (discuss in comments)
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