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p: updating openweather_: replaced fgrep, tr, cut with expr

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Use expr to extract values and names from the OpenWeather API xml instead of the - when using a city with spaces in its name not correctly working - fgrep | tr | cut construct.
This commit is contained in:
obma 2015-10-05 20:19:14 +02:00 committed by Max Ober
parent 07428a0137
commit 7d1ac56eae
1 changed files with 10 additions and 12 deletions
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22
plugins/weather/openweather_ Normal file → Executable file
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@ -19,15 +19,13 @@
# env.apikey XYZ
query_string=$(printf '%s' "${0#*_}" | tr '_' '=')
TMPFILE=$(mktemp)
trap 'rm -f $TMPFILE' EXIT
OWAPI=$( curl -s "http://api.openweathermap.org/data/2.5/weather?mode=xml&${query_string}")
# API returns temp in K, we have to convert it in C
# &units=metric would change that ;-)
KELVIN_BIAS=273
curl -s "http://api.openweathermap.org/data/2.5/weather?mode=xml&${query_string}&APPID=${apikey}" > $TMPFILE
CITY=$(fgrep "<city id=" $TMPFILE | tr -sc '[:alnum:]' ' ' | cut -d " " -f 6)
CITY=$( expr "$OWAPI" : '.*\<city.*name=\"\(.*\)\"><coord.*' )
if [ "$1" = "config" ];
then
@ -85,15 +83,15 @@ then
[ "$MUNIN_CAP_DIRTYCONFIG" = 1 ] || exit 0
fi
TEMP_AVG=$(fgrep "<temperature value=" $TMPFILE | tr -sc '[:alnum:].' ' ' | cut -d " " -f 4)
TEMP_MIN=$(fgrep "<temperature value=" $TMPFILE | tr -sc '[:alnum:].' ' ' | cut -d " " -f 6)
TEMP_MAX=$(fgrep "<temperature value=" $TMPFILE | tr -sc '[:alnum:].' ' ' | cut -d " " -f 8)
TEMP_AVG=$( expr "$OWAPI" : '.*\<temperature value=\"\(.*\)\" min.*/temperature.*' )
TEMP_MIN=$( expr "$OWAPI" : '.*\<temperature .*min=\"\(.*\)\" max.*/temperature.*' )
TEMP_MAX=$( expr "$OWAPI" : '.*\<temperature .*max=\"\(.*\)\" unit.*/temperature.*' )
HUMIDITY=$(fgrep "<humidity value=" $TMPFILE | tr -sc '[:alnum:].' ' ' | cut -d " " -f 4)
PRESSURE=$(fgrep "<pressure value=" $TMPFILE | tr -sc '[:alnum:].' ' ' | cut -d " " -f 4)
HUMIDITY=$( expr "$OWAPI" : '.*\<humidity .*value=\"\(.*\)\" unit.*/humidity.*' )
PRESSURE=$( expr "$OWAPI" : '.*\<pressure .*value=\"\(.*\)\" unit.*/pressure.*' )
WD_SPEED=$(fgrep "<speed value=" $TMPFILE | tr -sc '[:alnum:].' ' ' | cut -d " " -f 4)
WD_DIREC=$(fgrep "<direction value=" $TMPFILE | tr -sc '[:alnum:].' ' ' | cut -d " " -f 4)
WD_SPEED=$( expr "$OWAPI" : '.*\<speed .*value=\"\(.*\)\" name.*/speed.*' )
WD_DIREC=$( expr "$OWAPI" : '.*\<direction .*value=\"\(.*\)\" code.*/direction.*' )
cat <<- EOF
multigraph $0