Can you show how does ${nhash{8}{64}{supercalifragilisticexpialidocious}}
evalute
6/33? I mean, should I take 115 == 's'? What should I do next? And so on.
$ zgrep -A18 '${nhash{<string1>}{<string2>}{<string3>}}'
/usr/share/doc/exim4/spec.txt.gz
${nhash{<string1>}{<string2>}{<string3>}}
The three strings are expanded; the first two must yield numbers. Call them
<n> and <m>. If you are using fixed values for these numbers, that is, if <
string1> and <string2> do not change when they are expanded, you can use
the simpler operator notation that avoids some of the braces:
${nhash_<n>_<m>:<string>}
The second number is optional (in both notations). If there is only one
number, the result is a number in the range 0-<n>-1. Otherwise, the string
is processed by a div/mod hash function that returns two numbers, separated
by a slash, in the ranges 0 to <n>-1 and 0 to <m>-1, respectively. For
example,
${nhash{8}{64}{supercalifragilisticexpialidocious}}
returns the string "6/33".
$
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