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Re^2: Using the contents of

by ikegami (Pope)
on Sep 22, 2008 at 19:56 UTC ( #713085=note: print w/ replies, xml ) Need Help??

in reply to Re: Using the contents of
in thread Using the contents of

Don't use tie. Since 5.8.0, you can create a file handle that reads from/writes to a scalar.

my $data = '...'; open(my $fh, '<', \$data) or die; sub_that_needs_file_handle($fh);

Before 5.8, IO::Scalar and IO::String provide the functionality (although not as well) by using tie

Neither tie nor this method produce a real (system) file handle, so they won't work where a real file handle is needed. For example, you can't use them to capture the output of a child process. (See IPC::Run for a solution in that particular case.)

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