Re^3: How do I make the garbage collector throw an exception when it fails to auto-close a filehandle?


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Re^3: How do I make the garbage collector throw an exception when it fails to auto-close a filehandle?

by BrowserUk (Patriarch)

on Jan 14, 2007 at 00:01 UTC ( [id://594580]=note: print w/replies, xml )

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in reply to Re^2: How do I make the garbage collector throw an exception when it fails to auto-close a filehandle?
in thread How do I make the garbage collector throw an exception when it fails to auto-close a filehandle?

Won't the /dev/full device fail when you try to write to it long before you get to close it?

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Re^4: How do I make the garbage collector throw an exception when it fails to auto-close a filehandle?
by Aristotle (Chancellor) on Jan 14, 2007 at 01:32 UTC

No…

$ perl -MFatal=open,close,syswrite
-e'open $fh,">/dev/full"; syswrite $fh, 1; close $fh'
Can't syswrite(GLOB(0x8130c24), 1): No space left on device at (eval 3) line 3
	main::__ANON__('GLOB(0x8130c24)') called at -e line 1
$ perl -MFatal=open,close
-e'open $fh,">/dev/full"; print { $fh } 1 or die "$!\n"; close $fh'
Can't close(GLOB(0x8130c24)): No space left on device at (eval 2) line 3
	main::__ANON__('GLOB(0x8130c24)') called at -e line 1

… not with buffered I/O.

Makeshifts last the longest.

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