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Re: Sub Params as references

by tstock (Curate)
on Aug 14, 2002 at 03:33 UTC ( [id://189982]=note: print w/replies, xml ) Need Help??


in reply to Sub Params as references

What wrong assumptions have I made?

my $lines_in  = ${shift()};

you made a copy of a variable instead of using the reference to the variable. your code will work if you do: 
my $lines_in  = shift;

[...]

$$lines_in .= $_;

[download]
Tiago
Update: check out perlref if you want to know more about references.

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