dot_testing/sh/nws

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#!/bin/sh
[ -z "${XDG_CONFIG_DIR}" ] && XDG_CONFIG_DIR="${HOME}/.config"
[ -z "${NWS_CONFIG}" ] && NWS_CONFIG="${XDG_CONFIG_DIR}/nws"
[ -n "${NWS_ZONE}" ] || \
[ -e "${NWS_CONFIG}" ] && NWS_ZONE=$(cat "${NWS_CONFIG}") ||
NWS_ZONE="KGYX"
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[ -z "${NWS_GIF}" ] && NWS_GIF="mpv --loop"
[ -z "${NWS_TORIFY}" ] && NWS_TORIFY=""
info () {
printf %s "\
nws - wrapper for the National Weather Service's website
=> [n]ational - View national weather mosaic
=> [l]ocal - View local weather mosaic
=> [r]ivers - View local river conditions
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=> [w]eather - View local weather observations
=> [m]osaic [id] - View a given area's weather mosaic
=> [s]et [id] - Set local zone
=> [t]ext [id] - View text messages by catagory
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Default zone: export NWS_ZONE=<zone>
GIF player: export NWS_GIF=<command>
Configuration: export NWS_CONFIG=<file>
Torify wrapper: export NWS_TORIFY=<command>
"
}
err () {
printf "err: %s\n" "${1}"
[ -z "${2}" ] && exit 1
exit "${2}"
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}
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kstrip () {
printf %s "$1" | sed 's/^K\(.*\)/\1/'
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}
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national () {
mosaic CONUS-LARGE
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}
# name interestingly to avoid keyword collision
localradar () {
mosaic ${NWS_ZONE}
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}
mosaic () {
${NWS_GIF} "https://radar.weather.gov/ridge/lite/${1}_loop.gif"
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}
setzone () {
printf "%s" "${1}" > "${NWS_CONFIG}"
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}
river () {
textmessage "RVA"
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}
weather () {
textmessage "ZFP"
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}
textmessage () {
curl --silent --fail "https://forecast.weather.gov/product.php?site=NWS&issuedby=$(kstrip ${NWS_ZONE})&product=${1}&format=TXT&version=1" | \
sed -n '/<!-- \/\/ CONTENT STARTS HERE -->/,/<\/pre>/p' | \
grep -v "a href" | \
grep -v '<!-- // CONTENT STARTS HERE -->' | \
grep -v '<\/pre>' || \
printf "${1} data not found for zone %s" ${NWS_ZONE}
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}
case $1 in
"n"*)
national
;;
"l"*)
localradar
;;
"r"*)
river
;;
"w"*)
weather
;;
"m"*)
if [ "$#" -eq 2 ]; then
mosaid "$2"
else
err "two args required"
fi
;;
"s"*)
if [ "$#" -eq 2 ]; then
setzone "$2"
else
err "two args required"
fi
;;
"t"*)
if [ "$#" -eq 2 ]; then
textmessage "$2"
else
err "two args required"
fi
;;
*)
info
;;
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esac
exit 0