battery-life

#!/bin/sh
# LICENSE: Public Domain
ioreg -w0 -c AppleSmartBattery -r               | # Getting the info
  tail -n +2                                    | # Skipping the prelude
  sed  -e 's/" *=/": /g'                        | # Record field syntax
  sed  -e 's/\(": .*\)$/\1,/'                   | # Add commas
  ruby -e 'puts STDIN.read.gsub(/,\s*\}/, "}")' | # Removing last extra comma
  sed  -e 's/Yes/true/g'                        | # Yes->true
  sed  -e 's/No/false/g'                        | # No->false
  sed  -e 's/(\(.*,.*\))/[\1]/'                 | # CellVoltage field
  sed  -e 's/<\(.*\)>/"\1"/'                    | # ManufacturerData field
  json-pp                                         # json pretty-printing
                                                  # (& check syntax)
                                                  # http://gist.github.com/277001