Opening files without closing them

Marcin Mielżyński lopexx at autograf.pl
Sun Mar 5 23:44:05 CET 2006


Sandra-24 wrote:
> I was reading over some python code recently, and I saw something like
> this:
> 
> contents = open(file).read()
> 
> And of course you can also do:
> 
> open(file, "w").write(obj)
> 
> Why do they no close the files? Is this sloppy programming or is the
> file automatically closed when the reference is destroyed (after this
> line)? I usually use:
> 
> try:
>   f = open(file)
>   contents = f.read()
> finally:
>   f.close()
> 

this above is equivalent to:

open(file){|f|
	contents=f.read
}

the logic taking care of everything is encapsulated in open.

but can be done in less ruby way way :)



lopex



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