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Re^4: opening file for editing

by armstd (Friar)
on Oct 09, 2011 at 11:56 UTC ( #930455=note: print w/replies, xml ) Need Help??


in reply to Re^3: opening file for editing
in thread opening file for editing

No, that's not how editors work. Read from original, write to a new temp file. When the writing is complete and successful(!), rename the temp file to the old name. Typically you don't want to wipe out the original until you are sure you have a good replacement for it.

--Dave

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[1nickt]: \my %foo = { bar => 1 }; say $foo{bar};
[Corion]: 1nickt: Would be great, especially for naming parameters in @_.
[Corion]: When you pass an arrayref, you get to treat it like a local array. But then, I'm cautious with the experimental features, because just when I thought function signatures were a set thing, there is a proposal to use sub [ $foo, $bar ] { ... } to ...
[Corion]: ... declare the parameters, instead of the more common sub ($foo, $bar) { ... }

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