Perl doesn't know echo only print

What you seem to want is open with a pipe-symbol¹ to write to awk's STDIN.

Calling awk from Perl is somehow strange, though, Perl was primarily designed to replace awk and sed .

update

if you just wanna pass a handful of variables better use arguments in backticks

 my $result = `awk $var1 $var2`;

but I don't know much about awk (cause I don't need to ;-)

Cheers Rolf

(addicted to the Perl Programming Language)

¹) like in 

        
open(my $awk, "|awk >Tmp$$") # $$ is our process id
   or die "Can't start awk: $!";
print $awk $var1, $var2;
close $awk;

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In reply to Re: Simple awk question by LanX
in thread Simple awk question by czah7

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