Re: plot calculated IR-spectrum

create a file lorenz.sh:

#! /usr/bin/awk -f

BEGIN {line=0}

($0 !~ /^#/)&&($0 != "") {

print "f"line"(x)=alpha*"$1"/(pi(x-"$2")**2+1)\n"


}

in gnuplot :

load << system(lorenz.sh)


Debug the syntax yourself , I ain't going to do the whole job for you,
but that should do what you want in an efficient manner.