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If you use next, there is no need to use else: the code after next can only be reached if the condition was not true.

You do not want to use eval BLOCK to catch exceptions. You want to use eval STRING to evaluate a constructed code. You should include the assignment in the code, though:

#!/usr/bin/perl use warnings; use strict; my $sql_var_hr; $sql_var_hr->{col_name} = 'column_name'; my $sql = get_sql($sql_var_hr); sub get_sql { my ($vars) = @_; my $sql; while (my $iline = <DATA>) { next if $iline =~ /^#/; $sql .= $iline; } print "pre_eval: $sql\n"; eval '$sql = "' . $sql . '"' or warn $@; print "post_eval: $sql\n"; return $sql; } __DATA__ select $vars->{col_name} from schema.table select $$vars{col_name} from schema.table
Using "templates" might solve lots of problems this nave approach might cause.
لսႽ ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: Evaling Strings in Subs for Hashref Variable Names to Values by choroba
in thread Evaling Strings in Subs for Hashref Variable Names to Values by theleftsock

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    [Corion]: Discipulus: Windows isn't that complicated, at least if you look at it from the perspective of getting input via wndproc and answering to each message ;)
    [Corion]: Of course, what you get put into your wndproc needs a lot of documentation ;))

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