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ben-wpan/usrp/plscan
Werner Almesberger 59beaba426 usrp/plscan: truncate title at the last dot, not the first
- usrp/plscan: change ${n%%.*} to ${n%.*}
- usrp/README: updated description
2010-11-17 14:11:50 -03:00

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#!/bin/sh
usage()
{
echo "usage: $0 [-o pngfile] file ..." 1>&2
exit 1
}
if [ "X$1" = X-o ]; then
out=$2
shift 2
fi
[ "$1" ] || usage
[ "${1#-}" = "$1" ] || usage
gnuplot -persist <<EOF
`[ "$out" ] && ( echo set term png\;; echo set output \'$out\'; )`
set xlabel "MHz"
set ylabel "dB"
set xrange [2402:2483]
set yrange [-35:-25]
set title "Received signal strength"
set data style errorlines
plot \
`for n in $@; do
echo -n $comma \'$n\' title \'${n%.*}\'
comma=,
done`
EOF