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# Prints the most recent earthquake (currently only supports japan)
# It prints the location, time, and magnitude if the quake happened within
# a timelimit and magnitude threshold
earthquake_symbol='#[fg=colour1]~'
# The update period in seconds.
update_period=600
TMUX_POWERLINE_SEG_EARTHQUAKE_DATA_PROVIDER_DEFAULT="goo"
TMUX_POWERLINE_SEG_EARTHQUAKE_UPDATE_PERIOD_DEFAULT="600"
TMUX_POWERLINE_SEG_EARTHQUAKE_ALERT_TIME_WINDOW_DEFAULT="60"
TMUX_POWERLINE_SEG_EARTHQUAKE_TIME_FORMAT_DEFAULT='(%H:%M)'
TMUX_POWERLINE_SEG_EARTHQUAKE_MIN_MAGNITUDE_DEFAULT='3'
generate_segmentrc() {
read -d '' rccontents << EORC
# The data provider to use. Currently only "goo" is supported.
export TMUX_POWERLINE_SEG_EARTHQUAKE_DATA_PROVIDER="${TMUX_POWERLINE_SEG_EARTHQUAKE_DATA_PROVIDER_DEFAULT}"
# How often to update the earthquake data in seconds.
# Note: This is not an early warning detector, use this
# to be informed about recent earthquake magnitudes in your
# area. If this is too often, goo may decide to ban you form
# their server
export TMUX_POWERLINE_SEG_EARTHQUAKE_UPDATE_PERIOD="${TMUX_POWERLINE_SEG_EARTHQUAKE_UPDATE_PERIOD_DEFAULT}"
# Only display information when earthquakes are within this many minutes
export TMUX_POWERLINE_SEG_EARTHQUAKE_ALERT_TIME_WINDOW="${TMUX_POWERLINE_SEG_EARTHQUAKE_ALERT_TIME_WINDOW_DEFAULT}"
# Display time with this format
export TMUX_POWERLINE_SEG_EARTHQUAKE_TIME_FORMAT='${TMUX_POWERLINE_SEG_EARTHQUAKE_TIME_FORMAT_DEFAULT}'
# Display only if magnitude is greater or equal to this number
export TMUX_POWERLINE_SEG_EARTHQUAKE_MIN_MAGNITUDE="${TMUX_POWERLINE_SEG_EARTHQUAKE_MIN_MAGNITUDE_DEFAULT}"
EORC
echo "$rccontents"
}
run_segment() {
__process_settings
local tmp_file="${TMUX_POWERLINE_DIR_TEMPORARY}/earthquake.txt"
local earthquake
case "$TMUX_POWERLINE_SEG_EARTHQUAKE_DATA_PROVIDER" in
"goo") earthquake=$(__goo_earthquake) ;;
*)
echo "Unknown earthquake-information provider [${$TMUX_POWERLINE_SEG_EARTHQUAKE_DATA_PROVIDER}]";
return 1
esac
if [ -n "$earthquake" ]; then
echo "$earthquake_symbol #[fg=colour237]${earthquake}"
fi
}
__process_settings() {
if [ -z "$TMUX_POWERLINE_SEG_EARTHQUAKE_DATA_PROVIDER" ]; then
export TMUX_POWERLINE_SEG_EARTHQUAKE_DATA_PROVIDER="${TMUX_POWERLINE_SEG_EARTHQUAKE_DATA_PROVIDER_DEFAULT}"
fi
if [ -z "$TMUX_POWERLINE_SEG_EARTHQUAKE_UPDATE_PERIOD" ]; then
export TMUX_POWERLINE_SEG_EARTHQUAKE_UPDATE_PERIOD="${TMUX_POWERLINE_SEG_EARTHQUAKE_UPDATE_PERIOD_DEFAULT}"
fi
if [ -z "$TMUX_POWERLINE_SEG_EARTHQUAKE_ALERT_TIME_WINDOW" ]; then
export TMUX_POWERLINE_SEG_EARTHQUAKE_ALERT_TIME_WINDOW="${TMUX_POWERLINE_SEG_EARTHQUAKE_ALERT_TIME_WINDOW_DEFAULT}"
fi
if [ -z "$TMUX_POWERLINE_SEG_EARTHQUAKE_TIME_FORMAT" ]; then
export TMUX_POWERLINE_SEG_EARTHQUAKE_TIME_FORMAT="${TMUX_POWERLINE_SEG_EARTHQUAKE_TIME_FORMAT_DEFAULT}"
fi
if [ -z "$TMUX_POWERLINE_SEG_EARTHQUAKE_MIN_MAGNITUDE" ]; then
export TMUX_POWERLINE_SEG_EARTHQUAKE_MIN_MAGNITUDE="${TMUX_POWERLINE_SEG_EARTHQUAKE_MIN_MAGNITUDE_DEFAULT}"
fi
}
__goo_earthquake() {
location=""
magnitude=""
magnitude_number=""
timestamp=""
if [[ -f "$tmp_file" ]]; then
if shell_is_osx || shell_is_bsd; then
last_update=$(stat -f "%m" ${tmp_file})
elif shell_is_linux; then
last_update=$(stat -c "%Y" ${tmp_file})
fi
time_now=$(date +%s)
up_to_date=$(echo "(${time_now}-${last_update}) < ${update_period}" | bc)
if [ "$up_to_date" -eq 1 ]; then
__read_tmp_file
fi
fi
if [ -z "$magnitude" ]; then
# get the rss file, convert encoding to UTF-8, then delete windows carriage-returns
earthquake_data=$(curl --max-time 4 -s "http://weather.goo.ne.jp/earthquake/index.rdf" | iconv -f EUC-JP -t UTF-8 | tr -d "\r")
if [ "$?" -eq "0" ]; then
# This rss feed is not very clean or easy to use, but we will use it because
# this is all that can be found for now
# we grab the data from the title of the first item (most recent earthquake)
earthquake_data=${earthquake_data#*item\><title>}
# end our data at the end of the approx. time
earthquake_data=${earthquake_data%%頃*}
# pluck our data
location=$(echo $earthquake_data | awk '{print $2}')
magnitude=$(echo $earthquake_data | awk '{print $4}')
timestamp=${earthquake_data#*\(}
__convert_jp_magnitude
__convert_jp_timestamp
echo $location > $tmp_file
echo $magnitude >> $tmp_file
echo $timestamp >> $tmp_file
elif [ -f "$tmp_file" ]; then
__read_tmp_file
fi
fi
__convert_timestamp_to_fmt
# extract the numerical portion of magnitude
magnitude_number=$(echo $magnitude | sed -e 's/+//' -e 's/-//')
if [ -n "$magnitude" ]; then
if __check_alert_time_window && __check_min_magnitude ; then
echo "${location}${timestamp_fmt}:#[fg=colour0]${magnitude}"
fi
fi
}
__convert_jp_magnitude() {
magnitude=${magnitude#震度}
# simplify high-lower designation (only used in extreme cases: above 4)
if [[ "$magnitude" == *弱 ]] ; then
magnitude="-${magnitude%弱}"
elif [[ "$magnitude" == *強 ]] ; then
magnitude="+${magnitude%強}"
fi
}
__check_alert_time_window() {
[[ $(( ( $(date +%s) - $timestamp ) / 60 )) -lt $TMUX_POWERLINE_SEG_EARTHQUAKE_ALERT_TIME_WINDOW ]]
}
__check_min_magnitude() {
[[ $magnitude_number -ge $TMUX_POWERLINE_SEG_EARTHQUAKE_MIN_MAGNITUDE ]]
}
__convert_jp_timestamp() {
if shell_is_osx ; then
timestamp=$(date -j -f "%Y年%m月%d日 %H時%M分" "$timestamp" +"%s")
else
timestamp=$(echo $timestamp | $sed -e 's/年/-/' -e 's/月/-/' -e 's/日//' -e 's/時/:/' -e 's/分//')
timestamp=$(date -d "$timestamp" +"%s")
fi
}
__convert_timestamp_to_fmt() {
if shell_is_osx ; then
timestamp_fmt=$(date -r "$timestamp" +"$TMUX_POWERLINE_SEG_EARTHQUAKE_TIME_FORMAT")
else
timestamp_fmt=$(date -d "$timestamp" +"$TMUX_POWERLINE_SEG_EARTHQUAKE_TIME_FORMAT")
fi
}
__read_tmp_file() {
if [ ! -f "$tmp_file" ]; then
return
fi
IFS_bak="$IFS"
IFS=$'\n'
lines=($(cat ${tmp_file}))
IFS="$IFS_bak"
location="${lines[0]}"
magnitude="${lines[1]}"
timestamp="${lines[2]}"
}
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