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by a (Friar)
on May 31, 2000 at 07:15 UTC ( #15571=user: print w/replies, xml ) Need Help??

Long time computer geek, learned perl from the .txt file that came w/ the DOS 4.xx version and have been slightly to excessively evangelical about it ever since. Familiar to contemptious w/ many languages and OSs but am ecumenical about all; right tool for the right job. 'course if you can get the job moved to a decent *nix platform and let perl handle it, makes life easier.

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[davido]: Using the -i switch causes Perl to rename the input file, read from it, and write to a file using the original file's name. If there's an extension provided, as in -i.bak, it's easy to see where the input file is. Where is the input file temporarily....
[davido]: placed if there is no extension provided to the -i switch?
[davido]: Nevermind, found the answer.
[davido]: If no extension is supplied, and your system supports it, the original file is kept open without a name while the output is redirected to a new file with the original filename. When perl exits, cleanly or not, the original file is unlinked.
[haukex]: doc says "If no extension is supplied, and your system supports it, the original file is kept open without a name ..."

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