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987天前#----------------------------- |
$number = hex($hexadecimal); # hexadecimal |
$number = oct($octal); # octal |
#----------------------------- |
print "Gimme a number in decimal, octal, or hex: "; |
$num = <STDIN>; |
chomp $num; |
exit unless defined $num; |
$num = oct($num) if $num =~ /^0/; # does both oct and hex |
printf "%d %x %o\n", $num, $num, $num; |
#----------------------------- |
print "Enter file permission in octal: "; |
$permissions = <STDIN>; |
die "Exiting ...\n" unless defined $permissions; |
chomp $permissions; |
$permissions = oct($permissions); # permissions always octal |
print "The decimal value is $permissions\n"; |
#----------------------------- |
