#!/usr/bin/env bash

# @(#) s1       Demonstrate feed data to gnuplot.
# See:
# http://www.gnuplot.info/docs/node131.html

echo
set +o nounset
LC_ALL=C ; LANG=C ; export LC_ALL LANG
echo "Environment: LC_ALL = $LC_ALL, LANG = $LANG"
echo "(Versions displayed with local utility \"version\")"
version >/dev/null 2>&1 && version "=o" $(_eat $0 $1) cut gnuplot
set -o nounset
echo

FILE=${1-data1}

echo " Raw data file $FILE:"
cat $FILE

# Create a header line, extract data, feed into gnuplot.

echo 'set terminal dumb 30 15 ; plot "-"' >t1
cut -f3 -d " " $FILE >>t1

echo
echo " Dataset as fed into gnuplot:"
cat t1

echo
echo " Results:"
gnuplot < t1

exit 0

% ./s1

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 2.6.11-x1, i686
Distribution        : Xandros Desktop 3.0.3 Business
GNU bash 2.05b.0
cut (coreutils) 5.2.1
gnuplot 4.0 patchlevel 0

 Raw data file data1:
0.12_0.008_fall_ff.out:bisect return: 0.08056640625
0.12_0.04_fall_ff.out:bisect return: 0.07470703125
0.12_0.12_fall_ff.out:bisect return: 0.06298828125
0.12_0.24_fall_ff.out:bisect return: 0.05126953125

 Dataset as fed into gnuplot:
set terminal dumb 30 15 ; plot "-"
0.08056640625
0.07470703125
0.06298828125
0.05126953125

 Results:


  0.085 ++-+--+--+---+--+-++
        A  +  + "-"  +A +  +
   0.08 ++                ++
  0.075 ++    A           ++
        |                  |
   0.07 ++                ++
  0.065 ++                ++
        |            A     |
   0.06 ++                ++
  0.055 ++                ++
        +  +  +  +   +  +  +
   0.05 ++-+--+--+---+--+-+A
        0 0.5 1 1.5  2 2.5 3