Re^2: Translating Terminal Input Code from Bash to Perl

When I try this,

#!/usr/bin/perl

$key=`read -n3 key; echo \$key`;
print "$key\n";
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I get this error...

read: 1: Illegal option -n
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Re^3: Translating Terminal Input Code from Bash to Perl by jakobi (Pilgrim) on Sep 30, 2009 at 20:57 UTC
Don't expect portability from shell builtins across multiple versions or multiple shells. Try w/o the -n3, but then you always need to press CR.	[reply]