Created
January 20, 2012 13:06
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Soundex Perl Example
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sub soundex | |
{ | |
local (@s, $f, $fc, $_) = @_; | |
push @s, '' unless @s; # handle no args as a single empty string | |
foreach (@s) | |
{ | |
tr/a-z/A-Z/; | |
tr/A-Z//cd; | |
if ($_ eq '') | |
{ | |
$_ = $soundex_nocode; | |
} | |
else | |
{ | |
($f) = /^(.)/; | |
tr/AEHIOUWYBFPVCGJKQSXZDTLMNR/00000000111122222222334556/; | |
($fc) = /^(.)/; | |
s/^$fc+//; | |
tr///cs; | |
tr/0//d; | |
$_ = $f . $_ . '000'; | |
s/^(.{4}).*/$1/; | |
} | |
} | |
wantarray ? @s : shift @s; | |
} |
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