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diff --git a/thinkwatt b/thinkwatt
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--- a/thinkwatt
+++ /dev/null
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-#!/bin/bash
-#
-# thinkwatt:
-# record power consumption, calculate average and create a gnuplot graph
-#
-# TO-DO:
-# * add more options (e.g. for specifying a different gnuplot title or png output)
-# * allow time input in minutes and hours
-
-# utilities {{{
-message() {
-  cat << EOF
-usage:	thinkwatt -r (seconds) (-q) (-o file)
-	thinkwatt [ -p | -a ] (-q) file
-
-options:	
-	-r, --record	record power consumption and optionally create a graph from the gathered data
-	-p, --plot	create a plot image from a specified data file
-	-a, --average	calculate the average power consumption from a specified data file
-	-q, --quiet	makes thinkwatt less chatty
-	-o, --output	the output file. can be prepended by a path.
-	-h, --help	show this help text
-	
-examples:
-	thinkwatt -r (will record to a temp file until cancelled)
-	thinkwatt -r 300 -o /foo/bar/consumption.dat (will record for 5 minutes to the specified file)
-	thinkwatt -p /foo/bar/consumption.dat (will create a graph from the specified file)
-EOF
-  exit 1
-}
-
-errorout() { echo "error: $*" >&2; exit 1; }
-
-check_ac() {
-  [[ "$quiet" ]] && return 0
-  [[  $(cat /sys/class/power_supply/*/online) = 0 ]] || echo 'it seems your AC adapter is plugged in'
-}
-check_datafile() {
-  [[ -f "$@" ]] || errorout "$@ does not exist"
-  local valid_file=$(file "$@" | grep -s "^$@: ASCII text$")
-  [[ "$valid_file" ]] || errorout "$@ is not a valid data file"
-  local valid_data=$(cat "$@" | grep -s '^[0-9]*[,.]\?.*[0-9]$')
-  [[ "$valid_data" ]] || errorout "$@ does not contain valid data"
-}
-countdown() {
-  [[ "$quiet" ]] || echo "ctrl+c to plot/exit"
-  if [[ "$seconds" =~ ^[0-9]+$ ]];then
-    # count down
-    secs="$seconds"
-    while [ "$secs" -gt 0 ];do
-      [[ "$die" == yes ]] && return 0
-      sleep 1 &
-      cat "$powerfile" >> "$tmpfile1"
-      printf "\rrecording (%02d/$seconds)" $((secs))
-      secs=$(( $secs - 1 ))
-      wait
-    done
-  else
-    # count up
-    secs=1
-    while true;do
-      [[ "$die" == yes ]] && return 0
-      sleep 1 &
-      cat "$powerfile" >> "$tmpfile1"
-      printf "\rrecording ($secs)"
-      secs=$(( $secs + 1 ))
-      wait
-    done
-  fi
-  echo
-}
-# if we abort the recording process with ctrl+c this will give the option to plot the already recorded data
-trap ctrl_c INT
-function ctrl_c() {
-  echo
-  read -p "plot data? y/n "
-  [[ "$REPLY" = "y" ]] && die=yes || exit 0
-}
-# }}}
-
-# default output dir and png file {{{
-# use $TDIR to have thinkwatt save files in a different directory.
-# thinkwatt will save two files:
-# 1) a .plt file (containing plot instructions) in case you want to reuse/modify it
-# 2) a .png file (the plot graphic)
-TDIR="/tmp/thinkwatt"
-PLOTFILE="$TDIR"/$$.plt
-# }}}
-
-# record {{{
-record() {
-
-  local seconds="$1"
-  
-  #[[ "$seconds" =~ ^[0-9]+$ ]] || errorout 'please specify the time in seconds"
-  [[ -d "$output" ]] && errorout "$output is a directory"
-  [[ -d "$TDIR" ]] || mkdir -p "$TDIR" 2>/dev/null || errorout "could not create $TDIR"
-
-  if [[ -f "$output" ]];then
-    read -p "overwrite $output? y/n "
-    [[ "$REPLY" = "y" ]] || exit 0
-  elif [[ -e "$output" ]];then
-    errorout "$output exists and can/should not be written to"
-  fi
-  
-  local tmpfile1=/tmp/$$.dat
-  local tmpfile="$TDIR"/$$.dat
-
-  if [[ "$output" ]];then
-    local dir=$(dirname "$output")
-    local file=$(basename "$output")
-    [[ -d "$dir" ]] || mkdir -p "$dir"
-    [[ -w "$dir" ]] || errorout "you don't have permissions to write to $dir"
-    
-    outputfile="$output"
-    [[ "$dir" ]] && TDIR="$dir"
-    PNGFILE="$TDIR"/$(basename "$file" .dat).png
-    #PLOTFILE="$TDIR"/$(basename "$output" .dat).plt
-  else
-    [[ -w "$(pwd)" ]] || errorout "you don't have permissions to write to $(pwd)"
-    local file=$(basename "$tmpfile")
-    outputfile="$tmpfile"
-    local istemp=true
-  fi
-  
-  SMAPI=$(lsmod | grep -s tp_smapi)
-  if [[ "$SMAPI" ]];then
-    local powerfile=/sys/devices/platform/smapi/BAT0/power_now
-  else
-    echo "for more accurate results with thinkpads use tp_smapi"
-    local powerfile=/sys/class/power_supply/BAT0/power_now
-  fi
-  
-  touch "$tmpfile1" || errorout "could not create $tmpfile1"
-  trap "rm $tmpfile1" EXIT
-  
-  # do the actual recording included in countdown()
-  countdown
-  
-  # file formatting
-  if [[ "$SMAPI" ]];then
-    # we strip the leading "-" from the data file
-    sed -i 's/-//g' "$tmpfile1"
-  else
-    # strip the trailing last 3 characters
-     sed -i 's/.\{3\}$//' "$tmpfile1"
-  fi
-  # and divide by 1000 to convert from mW to W
-  cat "$tmpfile1" | awk '{print $1/1000}' > "$tmpfile"
-    
-  [[ "$output" ]] && mv "$tmpfile" "$output"
-  
-  [[ "$quiet" ]] || echo average was $(average "$outputfile") W
-  
-  plot "$outputfile"
-
-}
-# }}}
-
-# calculate average {{{
-average() {
-
-  [[ "$@" ]] || errorout 'please specify a file to read from.'
-  [[ -f "$@" ]] || errorout 'file not found.'
-  check_datafile "$@"
-  
-  awk 'BEGIN{s=0;}{s+=($1);}END{print s/NR;}' "$@"
-  
-}
-# }}}
-
-# make the plot file {{{
-makeplotfile() {
-
-  cat << EOF
-# gnuplot file
-# created by thinkwatt
-# $DATE
-
-set title "$TITLE"
-set xlabel "$XLABEL"
-set ylabel "$YLABEL"
-set terminal $TERMINAL
-set output "$PNGFILE"
-EOF
-  [[ "$YRANGE" ]] && echo "set yrange $YRANGE"
-  [[ "$XRANGE" ]] && echo "set yrange $YRANGE"
-  [[ "$GRID" == yes ]] && echo "set grid"
-  [[ "$YTICS" ]] && echo "set ytics $YTICS"
-  [[ "$MYTICS" ]] && echo "set mytics $MYTICS"
-  [[ "$XTICS" ]] && echo "set xtics $XTICS"
-  [[ "$MXTICS" ]] && echo "set mxtics $MXTICS"
-  [[ "$GRIDSET" ]] && echo "set grid $GRIDSET"
-
-  echo 
-  if [[ "$TITLE1" ]];then
-    echo "plot \"$datafile\" using (\$1) with lines title \"$TITLE1\" lt 2, \\"
-  else
-    echo "plot \"$datafile\" using (\$1) with lines lt 2, \\"
-  fi
-
-  if [[ "$TITLE2" ]];then
-    if [[ "$avg" ]];then
-      echo "\"$datafile\" using (\$1) smooth bezier title \"$TITLE2\" lt 1, \\"
-    else
-      echo "\"$datafile\" using (\$1) smooth bezier title \"$TITLE2\" lt 1"
-    fi
-  else
-    if [[ "$avg" ]];then
-      echo "\"$datafile\" using (\$1) smooth bezier lt 1, \\"
-    else
-      echo "\"$datafile\" using (\$1) smooth bezier lt 1"
-    fi
-  fi
-
-  [[ "$avg" ]] && echo "$avg title \"$file (average, $avg W)\""
-
-}
-# }}}
-
-# do the plotting
-plot() {
-
-  # check if we have gnuplot and $TDIR is present
-  have_gnuplot=$(find $(sed 's/:/ /g' <<<$PATH) 2>/dev/null | grep -is gnuplot)
-  [[ "$have_gnuplot"  ]] || errorout 'please install gnuplot first'
-  [[ -d "$TDIR" ]] || mkdir -p "$TDIR" || errorout "could not create $TDIR"
-
-  # is input file a valid data file?
-  local datafile="$@"
-  check_datafile "$datafile"
-  [[ "$datafile" ]] || errorout 'please specify a file to read from.'
-  [[ -f "$datafile" ]] || errorout 'filplotfilee not found.'
-   
-  # define some of the variables for the plot file
-  DATE=$(date +%Y-%m-%d,\ %T)
-  TITLE="power consumption of my laptop, created by thinkwatt on $DATE"
-  XLABEL="sec (seconds)"
-  YLABEL="W (Watt)"
-  TERMINAL="png"
-  GRID=yes
-  #TITLE1="your custom title for line1"
-  #TITLE2="your custom title for line2"
-  #TITLE3="your custom title for line3"
-  # some more options for gnuplot, enable and modify them here if you like
-  MYTICS=2
-  MXTICS=2
-  #YTICS=1
-  #XTICS=(better leave this alone)
-  GRIDSET="mytics"
-  #YRANGE="[4000:16000]"
-  #XRANGE="[0:2000]"
-  # moar
-  local avg=$(average "$datafile" | cut -c1-4)
-  local dir=$(dirname "$datafile")
-  local file=$(basename "$datafile")
-  [[ -z "$TITLE1" ]] && local TITLE1="$file (actual)"
-  [[ -z "$TITLE2" ]] && local TITLE2="$file (trend)"
-  [[ "$PNGFILE" ]] || PNGFILE=$(basename "$datafile" .dat).png
-  
-  # now we can plot   
-  makeplotfile > "$PLOTFILE" || errorout "could not write the plotfile (permission issue?)"
-  gnuplot "$PLOTFILE" || errorout "could now write graph (permission issue?)"
-
-  [[ "$quiet" ]] || echo "graph saved as $PNGFILE"
-
-}
-
-# parse options {{{
-parse_options() {
-
-  [[ -z "$1" ]] && message
-
-  while [[ -n "$1" ]];do
-    case "$1" in
-      -h|--help)    message		;;
-      -q|--quiet)   quiet=true		;;
-      -o|--output)  output="$2"		;;
-      -r|--record)  mode='record'	;;
-      -p|--plot)    mode='plot'		;;
-      -a|--average) mode='average'	;;
-      *)            args+=( "$1" )	;;
-    esac
-    shift
-  done
-}
-# }}}
-
-# main {{{
-main() {
-
-  case "$mode" in
-    record)  record "${args[@]}"	;;
-    average) average "${args[@]}"	;;
-    plot)    plot "${args[@]}"		;;
-    *)       errorout 'invalid mode. use -r, -p or -a.' ;;
-  esac
-  
-}
-# }}}
-
-parse_options "$@"
-check_ac
-main