#! /bin/csh -f
# Last edited on 2000-10-14 23:27:44 by stolfi

set usage = "$0 AFILE ATITLE ASCALE  BFILE BTITLE BSCALE" 

# Input files must have records of the form 
#   LENGTH COUNT FREQ ...
# Uses the "FREQ" column to plot.

if ( $#argv != 6 ) then
  echo "usage: ${usage}"; exit 1
endif

set afile = "$1"; shift
set atitle = "$1"; shift
set ascale = "$1"; shift

set bfile = "$1"; shift;
set btitle = "$1"; shift
set bscale = "$1"; shift

set tmp = "/tmp/$$"

set ofile = "${tmp}.eps"

gnuplot <<EOF
# set term x11
set term postscript eps mono "TimesRoman" 24
set output "${ofile}"
set size 1.000,1.000
set xrange [0:15]
set xtics 1
plot "${afile}" using 1:(\$3*${ascale}) title "${atitle}" with linespoints, \
     "${bfile}" using 1:(\$3*${bscale}) title "${btitle}" with linespoints
quit
EOF

cat ${ofile}
ghostview ${ofile}
/bin/rm ${ofile}