Wxv2

.bin/wx

@@ -1,10 +1,10 @@
 #!/bin/bash
 
 ## wx: a METAR parser written in Bash
-# (c) 2021 Allyson Bowles
+# (c) 2023 Al Bowles
 
 ## Usage:
-# wx [[ temp [ f|F | c|C | k|K ]] | humidity | wind | altimeter | visibility | rvr | condition | phenomena | metar | remarks | refresh ]
+# wx [[ temp [ f|F | c|C | k|K ]] | humidity | wind | altimeter | visibility | rvr | condition | phenomena | metar | remarks | feelslike ]
 
 ## References:
 # http://www.met.tamu.edu/class/metar/quick-metar.html
@@ -21,60 +21,19 @@ STATION=KRYV
 #STATION=KHNB
 DATA_URI="data/observations/metar/stations/$STATION.TXT"
 DATA_URL="https://tgftp.nws.noaa.gov/$DATA_URI"
-CACHE="$HOME/.cache/wx/metar"
-TIMEOUT=10
-PLATFORM=$(uname)
-
-[[ ! -d "$(dirname $CACHE)" ]] && mkdir -p "$(dirname $CACHE)"
-[[ ! -f "$CACHE" ]] && touch $CACHE
-
-# TODO uuoc
-metar=`cat $CACHE`
-
-_check_last_modified() {
-    last_modified=$(curl -I -s $DATA_URL | grep Last\-Modified | awk -F': ' '{ print $2 }')
-    [[ "$last_modified" == "" ]] && return 1
-
-    case $PLATFORM in
-        Linux)
-            src=$(date --date="$last_modified" +'%s')
-            # FIXME are we handling the case where $CACHE is empty?
-            cache=$(date -r $CACHE +'%s')
-        ;;
-        Darwin)
-            src=$(date -j -f "%a, %e %b %Y %T %Z" "$last_modified" "+%s" 2&> /dev/null)
-            cache=$(stat -f "%m" -q $CACHE)
-        ;;
-    esac
-    [[ "$src" > "$cache" ]] && return 1 || return 0
-}
-
-_check_md5sum() {
-    case $PLATFORM in
-        Linux)
-            md5sum $1 | awk '{print $1}'
-            ;;
-        Darwin)
-            md5 $1 | awk '{print $4}'
-            ;;
-    esac
-}
 
-refresh() {
-    data=$(curl --connect-timeout $TIMEOUT --create-dirs -s $DATA_URL | tr "\n" " ")
-    [[ "$data" != "" &&  $(_check_md5sum <<< $data) != $(_check_md5sum $CACHE) ]] && echo $data > $CACHE
-}
+metar=$(curl --connect-timeout 2 -s $DATA_URL)
 
 metar() {
-    echo $metar
+    echo "$metar"
 }
 
 remarks() {
-    awk -F 'RMK' '{print $2}' $CACHE
+    awk -F 'RMK' '{print $2}' <<< $metar
 }
 
 rvr() {
-    awk '$0 ~ /\(R\[0-9\]\+\/\[0-9\]\+V?\(M\|P\)\[0-9\]\+FT\)/' $CACHE
+    awk '$0 ~ /\(R\[0-9\]\+\/\[0-9\]\+V?\(M\|P\)\[0-9\]\+FT\)/' <<< $metar
 }
 
 phenomena() {
@@ -122,7 +81,6 @@ phenomena() {
 
     case ${phen[0]} in
         *SQ*) other="squall" ;;
-        *FC*) other="funnel cloud" ;;
         *SS*) other="sandstorm" ;;
         *FC*) other="tornado" ;;
         *DS*) other="dust storm" ;;
@@ -132,14 +90,14 @@ phenomena() {
     if [[ -n "$qual" || -n "$desc" || -n "$precip" || -n "$obsc" || -n "$other" ]]
     then
         printf " %s" $qual $desc $precip $obsc $other
-        exit 0
+        return 0
     else
-        exit 1
+        return 1
     fi
 }
 
 condition() {
-    cond=$(grep -o '\(\(CLR\|SKC\|FEW\|SCT\|BKN\|OVC\|VV\)\([0-9]\+\)\?\(\|TCU\|CB\)\?\)\+' $CACHE)
+    cond=$(grep -o '\(\(CLR\|SKC\|FEW\|SCT\|BKN\|OVC\|VV\)\([0-9]\+\)\?\(\|TCU\|CB\)\?\)\+' <<< $metar)
     case ${cond[${#cond[@]} - 1]} in
         CLR*|SKC*) condition="clear" ;;
         FEW*) condition="partly cloudy" ;;
@@ -150,15 +108,15 @@ condition() {
         **) condition="" ;;
     esac
 
-    printf " %s" $condition
+    printf " $condition"
 }
 
 visibility() {
-    grep -o '\([0-9]\+SM\)' $CACHE
+    grep -o '\([0-9]\+SM\)' <<< $metar
 }
 
 altimeter() {
-    grep -o 'A[0-9]\{4\}' $CACHE
+    grep -o 'A[0-9]\{4\}' <<< $metar
 }
 
 _wind_speed_conversion() {
@@ -172,11 +130,11 @@ _wind_speed_conversion() {
 }
 
 _wind_speed(){
-    read wind_speed gusting <<< $(grep -o '\([0-9]\{2\}G\)\?[0-9]\{2\}KT' $CACHE | awk -F 'G' '{ printf "%d %d", $1, $2 }')
+    read wind_speed gusting <<< $(grep -o '\([0-9]\{2\}G\)\?[0-9]\{2\}KT' <<< $metar | awk -F 'G' '{ printf "%d %d", $1, $2 }')
 }
 
 _wind_direction() {
-    wd=$(printf "%.3s" $(grep -o '\(VRB\|[0-9]\{3\}\)\([0-9]\{2\}G\)\?[0-9]\{2\}KT' $CACHE))
+    wd=$(printf "%.3s" $(grep -o '\(VRB\|[0-9]\{3\}\)\([0-9]\{2\}G\)\?[0-9]\{2\}KT' <<< $metar))
 
     if [[ "$wd" == "VRB" ]]
     then
@@ -226,7 +184,7 @@ wind() {
 }
 
 _temperature_dewpoint() {
-    temperature_dewpoint=$(grep -o '\s\(M\)\?\([0-9]\{2\}\/\(M\)\?[0-9]\{2\}\)\s' $CACHE)
+    temperature_dewpoint=$(grep -o '\s\(M\)\?\([0-9]\{2\}\/\(M\)\?[0-9]\{2\}\)\s' <<< $metar)
     read temp dp <<< $(awk -F '/' '{ printf "%d %d", $1, $2 }' <<< $(echo $temperature_dewpoint | sed 's/M/-/g'))
 }
 
@@ -254,16 +212,24 @@ temp() {
 }
 
 wind_chill() {
+    # Wind chill is only a useful metric at or below 10C /and/
+    # when wind speeds exceed 4.8 kph.
     _temperature_dewpoint
+    [[ $(bc <<< "$temp <= 10") == 1 ]] || return 1
     _wind_speed
+    x=$(_wind_speed_conversion "$wind_speed" kph)
+    [[ $(bc <<< "$x > 4.8") == 1 ]] || return 1
+
     # bc does not support floating point exponents
-    y=$(awk -v "wc=$wind_speed" 'BEGIN {print wc**0.16}')
+    y=$(awk -v "wc=$x" 'BEGIN {print wc**0.16}')
     wind_chill=$(bc <<< "13.12 + (0.6215 * $temp) - (11.37 * $y) + (0.3965 * $temp * $y)")
     _temperature_conversion $wind_chill $1
 }
 
 heat_index() {
+    # heat index is only a useful metric at or above 26C
     _temperature_dewpoint
+    [[ $(bc <<< "$temp > 26") == 1 ]] || return 1
     _relative_humidity
     c1="-8.78469475556"
     c2="1.61139411"
@@ -278,4 +244,15 @@ heat_index() {
     _temperature_conversion $heat_index $1
 }
 
-$@ && _check_last_modified || refresh
+feelslike() {
+    wind_chill $1 || heat_index $1 || return 1
+}
+
+summary() {
+    temp f
+    # TODO don't print if feelslike returns 1
+    printf " (%s)" "$(feelslike f)"
+    phenomena || condition
+}
+
+$@

.vimrc

@@ -93,20 +93,26 @@ let g:ale_fix_on_save = 1
 let g:ale_echo_msg_error_str = 'E'
 let g:ale_echo_msg_warning_str = 'W'
 let g:ale_echo_msg_format = '[%linter%] %s [%severity%]'
+let g:ale_list_window_size = 5
 let g:ale_fixers = {
 \   '*': ['remove_trailing_lines', 'trim_whitespace'],
 \   'javascript': ['prettier'],
+\   'json': ['jq'],
 \   'terraform': ['terraform'],
-\   'yaml': ['yamlfix']
+\   'yaml': ['yamlfix'],
 \}
 
 let g:ale_linters = {
-\    'go': ['gofmt', 'golint', 'go vet', 'gopls'],
+\    'go': ['gofmt', 'golint', 'go vet', 'gopls', 'golangci-lint'],
 \    'ansible': ['ansible-lint'],
 \    'perl': ['perlcritic'],
 \    'terraform': ['terraform'],
+\    'ruby': ['rubocop'],
+\    'javascript': ['eslint'],
 \}
 " TODO markdown linter
+
+"let b:ale_ruby_rubocop_executable = './vendor/bundle/ruby/2.6.0/bin/rubocop'
 " TODO j2-lint integration
 " TODO new panes bottom / right
 " TODO middle click = set paste/insert/set nopaste