usr_share_grml/zsh/functions/weather

   1 # retrieve weather information on the console
   2 # Usage example: 'weather LOWG'
   3
   4 emulate -L zsh
   5
   6 if [[ -z "$1" ]]; then
   7     print 'Usage: weather <station_id>'
   8     print \
   9   'List of stations: http://en.wikipedia.org/wiki/List_of_airports_by_ICAO_code'
  10     return 0
  11 fi
  12
  13 local VERBOSE="yes"    # TODO: Make this a command line switch
  14
  15 local ODIR=`pwd`
  16 local PLACE="${1:u}"
  17 local DIR="${HOME}/.weather"
  18 local LOG="${DIR}/log"
  19
  20 if [[ -d ${DIR} ]]; then
  21     print -n "Creating ${DIR}: "
  22     mkdir ${DIR}
  23     print 'done'
  24 fi
  25
  26 print "Retrieving information for ${PLACE}:"
  27 print
  28 cd ${DIR} && \
  29   wget -T 10 --no-verbose --output-file=$LOG --timestamping \
  30        http://weather.noaa.gov/pub/data/observations/metar/decoded/$PLACE.TXT
  31
  32 if [[ $? -eq 0 ]]; then
  33     if [[ -n "$VERBOSE" ]] ; then
  34         cat ${PLACE}.TXT
  35     else
  36         DATE=$(grep 'UTC' ${PLACE}.TXT | sed 's#.* /##')
  37         TEMPERATURE=$(awk '/Temperature/ {
  38                              print $4" degree Celcius / " $2" degree Fahrenheit"
  39                            }' ${PLACE}.TXT | tr -d '(')
  40         echo "date: $DATE"
  41         echo "temp:  $TEMPERATURE"
  42     fi
  43 else
  44     print "There was an error retrieving the weather information for $PLACE" >&2
  45     cat $LOG
  46     cd $ODIR
  47     return 1
  48 fi
  49 cd $ODIR