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Debian GNU/Linux Reference Guide
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8.6.13 Sostituzione delle espressioni regolari

Sostituisce tutte le istanze FROM_REGEX con TO_TEXT in tutti i file FILES ...:

     $ perl -i -p -e 's/FROM_REGEX/TO_TEXT/g;' FILES ...

-i sta per "in-place editing", -p � per "implicit loop over FILES ...". se la sostituzione � complessa, potete recuperare pi� facilmente gli errori usando il parametro -i.bak al posto di -i; cos� si mantiene ogni file originale, aggiungendo .bak come estensione.


Debian GNU/Linux Reference Guide
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