/usr/bin/battery-graph is in battery-stats 0.3.6-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | #!/bin/bash
#
# This file is part of the battery-stats package.
# Copyright (C) 2002 Karl E. Jørgensen <karl@jorgensen.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
set -e
prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/share/battery-stats
TEMP=`getopt -o f:s:t:d:TAg:D --long from:,since:,to:,duration:,text,title:,geometry:,display:,libdir: -n battery-graph -- "$@"`
now=$( date +%s --date=now )
from=0
to=0
duration=0
default_duration=10800 # 3 hours
text=false
title="Battery Graph"
eval set -- "$TEMP"
while true ; do
case "$1" in
-f|--from)
from=`date --date="$2" +%s`
shift 2
;;
-s|--since)
from=`date --date="$2" +%s`
shift 2
to=`date --date=now +%s`
;;
-t|--to)
to=`date --date="$2" +%s`
shift 2
;;
-d|--duration)
case "$2" in
*s) duration=$(basename $2 s) ;;
*m) duration=$(( $(basename $2 m) * 60 )) ;;
*h) duration=$(( $(basename $2 h) * 60 * 60 )) ;;
*d) duration=$(( $(basename $2 d) * 24 * 60 * 60 )) ;;
*w) duration=$(( $(basename $2 w) * 24 * 60 * 60 * 7 )) ;;
*) duration=$(( $2 * 60 )) ;;
esac
shift 2;
;;
-T)
echo 1>&2 battery-graph: Warning: Deprecated option "$1": Use --text instead
text=true;
shift
;;
--text)
text=true;
shift
;;
-D|--display)
DISPLAY=$2
export DISPLAY
shift 2
text=false
;;
-g|--geometry)
geometry=$2
shift 2
text=false
;;
--title)
title="$2"
shift 2
text=false
;;
--libdir)
libdir="$2"
shift 2
;;
--)
shift
break;
;;
*)
echo 1>&2 $0: Internal error - please report as bug '[Parsing args]'
exit 2;
esac
done
if [ -z "$DISPLAY" ] ; then
text=true
fi
if [ $from -eq 0 ] && [ $duration -eq 0 ] && [ $to -eq 0 ]
then
# No options specified at all.
duration=$default_duration
to=$now
fi
case "${from}:${duration}:${to}" in
0:0:*) # Only 'to' given
from=$(( $to - $default_duration ))
;;
0:*:0) # Only duration given
to=$now
from=$(( $to - $duration ))
;;
0:*:*) # Only 'duration' and 'to' given
from=$(( $to - $duration ))
;;
*:0:0) # Only 'from' given
to=$(( $from + $default_duration ))
;;
*:0:*) # Only 'from' and 'to' given. Great!
;;
*:*:0) # Only 'from' and 'duration' given
to=$(( $from + $duration ))
;;
*:*:*) # All 3 specified. Make sure that they match up
if [ $(( $from + $duration )) -ne $to ] ; then
echo $0: Inconsistent from/to/duration: $from/$to/$duration
exit 2
fi
;;
*)
echo $0: Internal error - please report bug 1>&2 '[Time calculation]'
exit 2
esac
# So far, $from and $to are 'seconds since 1st Jan 1970 00:00:00 UTC'.
# But gnuplot uses 'seconds since '1st Jan 2000 00:00:00 UTC'...
adjustment=$(( $(TZ=UTC date +%s --date='1/1/2000') - $(TZ=UTC date +%s --date='1/1/1970') ))
# Adjustment between UTC and local time
utc_adjust=$(( $( date -u --date=12:00 +%s) - $(date --date=12:00 +%s) ))
adjustment=$(( $adjustment - $utc_adjust ))
from2000=$(( $from - $adjustment ))
to2000=$(( $to - $adjustment ))
(
if $text ; then
echo set terminal dumb ${COLUMNS:-$(tput cols)} ${LINES:-$(tput lines)}
fi
echo call \"${libdir}/graph-setup\"
echo "set xrange [ $from2000 : $to2000 ] noreverse"
echo plot "\"-\" using (\$1 - $adjustment):2 smooth unique axis x1y1 title \"Battery %\" with lines linewidth 3"
battery-log "$@"
) | gnuplot -persist ${geometry:+-geometry} $geometry ${title:+-title} "${title}"
|