File: weather.sh
   1 #!/bin/sh
   2 
   3 # The MIT License (MIT)
   4 #
   5 # Copyright © 2020-2025 pacman64
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a copy
   8 # of this software and associated documentation files (the “Software”), to deal
   9 # in the Software without restriction, including without limitation the rights
  10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 # copies of the Software, and to permit persons to whom the Software is
  12 # furnished to do so, subject to the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be included in
  15 # all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 # SOFTWARE.
  24 
  25 
  26 # weather [places...]
  27 #
  28 # Show a weather forecast for the places (anywhere in the world) given, using
  29 # ANSI styles to make things stand out.
  30 
  31 
  32 case "$1" in
  33     -h|--h|-help|--help)
  34         {
  35             awk '/^# +weather /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
  36             printf "Each place/argument allows the prefixes shown below.\n\n"
  37             printf "\r\n" | curl --show-error -s telnet://graph.no:79
  38         } | less -JMKiCRS
  39         exit 0
  40     ;;
  41 esac
  42 
  43 if [ $# -eq 0 ]; then
  44     {
  45         awk '/^# +weather /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
  46         printf "Each place/argument allows the prefixes shown below.\n\n"
  47         printf "\r\n" | curl --show-error -s telnet://graph.no:79
  48     } | less -JMKiCRS
  49     exit 0
  50 fi
  51 
  52 gap=0
  53 width="$(($(tput cols) - 2))"
  54 
  55 for place in "$@"; do
  56     [ "${gap}" -gt 0 ] && printf "\n"
  57     gap=1
  58 
  59     # printf "\e[48;2;218;218;218m%-${width}s\e[0m\n" "${place}"
  60     printf "\e[7m%-${width}s\e[0m\n" "${place}"
  61 
  62     printf "%s~%s\r\n\r\n" "${place}" "${width}" |
  63     curl --show-error -s telnet://graph.no:79 |
  64     sed -u -E \
  65         -e 's/ *\r?$//' \
  66         -e '/^\[/d' \
  67         -e 's/^ *-= *([^=]+) +=- *$/\1\n/' \
  68         -e 's/-/\x1b[38;2;196;160;0m●\x1b[0m/g' \
  69         -e 's/^( +)\x1b\[38;2;196;160;0m●\x1b\[0m/\1-/g' \
  70         -e 's/\|/\x1b[38;2;52;101;164m█\x1b[0m/g' \
  71         -e 's/#/\x1b[38;2;218;218;218m█\x1b[0m/g' \
  72         -e 's/\^/\x1b[38;2;164;164;164m^\x1b[0m/g' \
  73         -e 's/\*/○/g' | awk 1
  74 done | less -JMKiCRS