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Postings from August 2002
En op 28 augustus 2002 sprak Sec:
> Finding (and printing) all words (from stdin) with all of a set
> of given letters (on the command line, for simplicity) appearing
> once in the first 10 characters of the word, and containing no
> duplicates in the first 10 characters.
Some examples would make this specification clearer.
Does the following example match the specification?
z.pl:
#!perl -n
BEGIN{$x=pop}
length($x)-(@z=substr($_,0,10)=~/[$x]/g)||print
When I run:
perl z.pl ab <t.txt
where t.txt contains:
abcdefghijklmnopqrst
abc
xyz
abcabc
abcdefxyzdabc
abcdefxyzabc
it prints:
abcdefghijklmnopqrst
abc
abcdefxyzdabc
/-\
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