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80 lines
2.1 KiB
80 lines
2.1 KiB
4 years ago
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#!/bin/bash
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# Enter your zipcode here for local weather.
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zipcode=20001
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# Colors are nice
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blk=$(tput setaf 0)
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red=$(tput setaf 1)
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grn=$(tput setaf 2)
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ylw=$(tput setaf 3)
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blu=$(tput setaf 4)
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cyn=$(tput setaf 6)
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wht=$(tput setaf 7)
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und=$(tput smul)
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bld=$(tput bold)
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# Uncoloring is important
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rst=$(tput sgr0)
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# Get the number of columns and rows to center the
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# last updated time on the bottom of the window.
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cols=$(tput cols)
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rows=$(tput lines)
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# trap ctrl-c and call ctrl_c()
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# https://rimuhosting.com/knowledgebase/linux/misc/trapping-ctrl-c-in-bash
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trap ctrl_c INT
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function ctrl_c() {
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clear
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tput cnorm
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echo "${rst}${red}CTRL+C Detected, exiting.${rst}"
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exit
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}
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function dothething() {
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# Grab the size of the window again as the window size
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# may have changed since the script was started.
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cols=$(tput cols)
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rows=$(tput lines)
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clear
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updatedstring="Last updated: `date \"+%F %X\"`"
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# Sometimes this may not complete due to wttr.in running
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# out of available queries to their weather provider.
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# This should only last for a day or so.
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curl wttr.in/${zipcode}?1QnuFA
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# Make sure the updated line is at the bottom of the screen
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down=$rows
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# Do some math to center the string horizontally
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let over="$cols/2-${#updatedstring}/2"
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# Move the cursor over to the correct starting location
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tput cup $down $over
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# Print the last time the weather was updated
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echo -n "${rst}${ylw}${updatedstring}${rst}"
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# Reset the cursor back to 0,0
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tput cup 0 0
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}
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# Clear the screen and let's get going
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clear
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# Make the cursor invisible for the terminal
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tput civis
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# Programmers are great at naming things
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dothething
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# Loop forever. Use ctrl+c to exit.
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while true; do
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# We want to make sure we only check once per hour
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# in order to not overwhelm the wttr.in service.
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# Octal fix: https://stackoverflow.com/a/24777667
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if [ `date +%M` -eq "00" ]; then
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# Don't forget to check the seconds or it'll run
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# the command every second of the 0th minute.
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if [ `date +%S` -eq "00" ]; then
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dothething
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fi
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fi
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# Sleep for a second so we're not hammering the system
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# with date checks.
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sleep 1
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done
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