perlfaq5
perlfaq5
- NAME
- VERSION
-
DESCRIPTION
- How do I flush/unbuffer an output filehandle? Why must I do this?
- How do I change, delete, or insert a line in a file, or append to the beginning of a file?
- How do I count the number of lines in a file?
- How do I delete the last N lines from a file?
- How can I use Perl's -i option from within a program?
- How can I copy a file?
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