Programming Fundamentals/Variables/Bash
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variables.sh
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#!/bin/sh
# This program converts a Fahrenheit temperature to Celsius.
#
# References:
# https://www.mathsisfun.com/temperature-conversion.html
# https://en.wikibooks.org/wiki/Bash_Shell_Scripting
# http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO.html
echo -n "Enter Fahrenheit temperature: "
read fahrenheit
celsius=$(((fahrenheit-32)*5/9))
echo
echo "$fahrenheit° Fahrenheit is $celsius° Celsius"
Try It
[edit | edit source]Copy and paste the code above into one of the following free online development environments or use your own Bash compiler / interpreter / IDE.