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Re^4: getfile( $filename )

by harleypig (Scribe)
on Aug 06, 2005 at 16:04 UTC ( #481506=note: print w/ replies, xml ) Need Help??


in reply to Re^3: getfile( $filename )
in thread getfile( $filename )

Well, File::Slurp purpose is to read the entire file, so that module itself is wrong for large files. The best I've come up with in that case is something along the lines of

my $FH = IO::File->new ... until ( $FH->eof ) { my $chunk = $FH->read( ... ) # process $chunk }
which doesn't really lend itself to modularization because the processing is always different.
Harley J Pig


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Re^5: getfile( $filename )
by QM (Vicar) on Aug 07, 2005 at 16:12 UTC
    Then pass in a function reference -- something like this:
    sub chunk_at_a_time { my $FH = IO::File->new ... my $func_ref = shift; my @func_args = @_; until ( $FH->eof ) { &{$func_ref}(@func_args); } } ... My_Module::chunk_at_a_time( @file_args, \&some_sub_name, @sub_args);
    (I dashed this off quick -- the syntax may be wrong, but you get the idea.)

    -QM
    --
    Quantum Mechanics: The dreams stuff is made of

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