Other ways to assign a filehandle to a variable?

[Roman Daszczyszak]

After reading Randal's March 2000 LM column and learning that you can
assign a filehandle to a scalar by doing something like:

open(FILE, $filename) or die whatever;
$value = *FILE{IO};

I am wondering if there are other, perhaps better, ways of doing this?

FYI, I googled for assigning filehandle to variable perl and a
couple other searches, but only came up with pages directing how to
read from a filehandle into a scalar.

Regards,
Roman

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Re: Other ways to assign a filehandle to a variable?

[Dr.Ruud]

Roman Daszczyszak schreef:

 After reading Randal's March 2000 LM column and learning that you can
 assign a filehandle to a scalar by doing something like:

 open(FILE, $filename) or die whatever;
 $value = *FILE{IO};

 I am wondering if there are other, perhaps better, ways of doing this?

 FYI, I googled for assigning filehandle to variable perl and a
 couple other searches, but only came up with pages directing how to
 read from a filehandle into a scalar.

Use lexical ones in the first place.

  open my $fh, '', $filename or die open $filename, stopped ;

-- 
Affijn, Ruud

Gewoon is een tijger.



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Re: Other ways to assign a filehandle to a variable?

[JupiterHost.Net]

Use lexical ones in the first place.

  open my $fh, '', $filename or die open $filename, stopped ;



And if you're gogint to die you might as well say why :)

... or die open $filename failed: $! ;

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Re: Other ways to assign a filehandle to a variable?

[Dr.Ruud]

JupiterHost.Net schreef:

 Use lexical ones in the first place.
   open my $fh, '', $filename or die open $filename, stopped ;

 And if you're gogint to die you might as well say why :)

 ... or die open $filename failed: $! ;

Yes, I meant:

   open my $fh, '', $filename or die open $filename, stopped $! ;

The $! begins with at bla -bla, so the stopped glues nicely.

I don't remember where I copied it from, maybe a perldoc.

-- 
Affijn, Ruud

Gewoon is een tijger.



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Re: Other ways to assign a filehandle to a variable?

[Dave Gray]

For posterity:
http://perl.plover.com/local.html#3_The_First_Class_Filehandle_Tr

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