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The concise, but less readable form:
#!/usr/bin/perl -w use strict; print base10_it('ba'), "\n"; sub base10_it { my $base_10; my @values = reverse split '' , $_[0]; $base_10 += ((ord($values[$_]) - 96) * 26 ** $_) for (0 .. $#value +s); $base_10; }
The more readable and verbose form:
#!/usr/bin/perl -w use strict; print base10_it('ba'), "\n"; sub base10_it { my $base_10; my $power = 0; my @values = split '' , $_[0]; while (my $val = pop @values) { $base_10 += (ord($val) - 96) * 26 ** $power; $power++; } $base_10; }
Cheers - Limbic~Region

In reply to Re: Alpha base-26 to base-10... by Limbic~Region
in thread Alpha base-26 to base-10... by eduardo

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