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| PerlMonks |
Re^5: How to check lines that start with the same word then delete one of themby rsFalse (Chaplain) |
| on Apr 10, 2020 at 15:33 UTC ( [id://11115327]=note: print w/replies, xml ) | Need Help?? |
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If you are not to work with lines which have different beginnings, then you can divide a problem: 1. group lines by their beginnings, 2. then solve a problem in each group separately.
In Section
Seekers of Perl Wisdom
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