Navid M. wrote:
> Hello,
>
> I was wondering how you can evaluate parts of a
> string:
>
> Ex: $fileName = "File";
> $var = '1>>$fileName';
>
> Now I would like a *simple* way of evaluating $var
> such that only '$fileName' gets substituted for its
> value. 'eval' doesn't work since it tries to evaluate
> the whole thing and '1>>' doesn't evaluate to
> anything.
Eval will work if you give it a valid expression to evaluate.
As you say,
1>>$fileName
isn't valid Perl, but
qq(1>>$fileName)
is, and is what you want. To pass this as string, you can do this:
$fileName = "File";
$var = '1>>$fileName';
$var = eval qq("$var");
print $var, "\n";
output:
1>>File
HTH,
Rob
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