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$ atomic, @ molecular
Lists example from a Well House Consultants training course
More on Lists [link]
Source code: lx Module: P208
# $ atomic, @ molecular
# @ refers to the whole of a list, # $ refers to individual members of a list @lunch = ("coke","coke","wings","samosas","b p gammon","mixed grill"); push @lunch,"walk home"; $lunch[1] = "cokeanice"; print @lunch,"\n"; # against each other print "@lunch\n"; # spaced $" = ", "; print "@lunch\n"; print @lunch+0,"\n"; # length of list! print join "\n",@lunch,""; print (join ("\n",@lunch),"\n"); for ($in = 0; $in <= $#lunch ; $in++) { print "We have $lunch[$in] in position $in\n"; } for ($in = 0; $in < @lunch ; $in++) { print "We still have $lunch[$in] in position $in\n"; } foreach $item(@lunch) { print "Have we any $item left?\n"; } @shoutedfood = map(uc,@lunch); print "@shoutedfood\n"; # equivalent of ... @bigdinner = (); foreach $item(@lunch) { push @bigdinner,uc($item); } print "@bigdinner\n"; __END__ Sample output munchkin:ap1 grahamellis$ perl lx cokecokeanicewingssamosasb p gammonmixed grillwalk home coke cokeanice wings samosas b p gammon mixed grill walk home coke, cokeanice, wings, samosas, b p gammon, mixed grill, walk home 7 coke cokeanice wings samosas b p gammon mixed grill walk home coke cokeanice wings samosas b p gammon mixed grill walk home We have coke in position 0 We have cokeanice in position 1 We have wings in position 2 We have samosas in position 3 We have b p gammon in position 4 We have mixed grill in position 5 We have walk home in position 6 We still have coke in position 0 We still have cokeanice in position 1 We still have wings in position 2 We still have samosas in position 3 We still have b p gammon in position 4 We still have mixed grill in position 5 We still have walk home in position 6 Have we any coke left? Have we any cokeanice left? Have we any wings left? Have we any samosas left? Have we any b p gammon left? Have we any mixed grill left? Have we any walk home left? COKE, COKEANICE, WINGS, SAMOSAS, B P GAMMON, MIXED GRILL, WALK HOME COKE, COKEANICE, WINGS, SAMOSAS, B P GAMMON, MIXED GRILL, WALK HOME munchkin:ap1 grahamellis$ Learn about this subject
This module and example are covered on the following public courses:
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Other Examples
This example comes from our "Lists" training module. You'll find a description of the topic and some
other closely related examples on the "Lists" module index page.
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