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17 lines
467 B
Perl
17 lines
467 B
Perl
#Format:
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#keys(ASSOC_ARRAY)
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#keys ASSOC_ARRAY
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# The keys function returns the keys of a hash
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%weekday= ( '1'=>'Monday',
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'2'=>'Tuesday',
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'3'=>'Wednesday',
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'4'=>'Thursday',
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'5'=>'Friday',
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'6'=>'Saturday',
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'7'=>'Sunday',
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);
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foreach $key ( keys(%weekday) ){print "$key ";}
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print "\n";
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foreach $key ( sort keys(%weekday) ){print $key ;}
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print "\n"; |