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| Syntactic Confectionery Delight | |
| PerlMonks |
Re: At each change in...by stefp (Vicar) |
| on Jun 13, 2002 at 09:33 UTC ( [id://174125]=note: print w/replies, xml ) | Need Help?? |
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If you want to detect change from one line to another,
indeed something like if $foo ne $previousfoo will
do. But detecting the first occurrence of a chain is quite another problem that can be solved by memorizing the number of occurences as value associated to the string:
The loop may have to be explicit depending on the source of your data. -- stefp -- check out TeXmacs wiki
In Section
Seekers of Perl Wisdom
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