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naming list members
Lists example from a Well House Consultants training course
More on Lists [link]
Source code: escape Module: P208
# It's often better to name rather than number the elements when you split # Read my linked blog article to find out why! open (FH,"trains") or die; while ($service = <FH>) { ($time, $cars, $place, $capa) = split(/\t/,$service); print "Train to $place at $time\n"; } print "-----------------------\n"; open (FH,"trains") or die; while ($service = <FH>) { @flds = split(/\t/,$service); print "Train to $flds[2] at $flds[0]\n"; } print "-----------------------\n"; __END__ Sample output: munchkin:s12perl grahamellis$ perl escape Train to Southampton at 06:40 Train to Swindon at 07:11 Train to Southampton at 19:11 Train to Cheltenham at 19:50 ----------------------- Train to Southampton at 06:40 Train to Swindon at 07:11 Train to Southampton at 19:11 Train to Cheltenham at 19:50 ----------------------- munchkin:s12perl grahamellis$ Data file: munchkin:s12perl grahamellis$ cat trains 06:40 2 Southampton 74 07:11 2 Swindon 72 19:11 2 Southampton 72 19:50 1 Cheltenham 73 munchkin:s12perl grahamellis$ Learn about this subject
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Other Examples
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