Created
August 25, 2016 09:06
-
-
Save wuthmone/e3969bb01d44cf0c5d5e0b02b732259d to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
declare -a key # declare key as array | |
echo "Please key in four key" | |
read key[0,1,2,3] | |
i=0 | |
for c in "${key[@]}" | |
do | |
lkey[$i]=${c,,} | |
i=$((${i} + 1)) | |
done # translate all alphabet to lower character,lkey | |
function let2num { | |
for i in `echo "$1" | grep -o . ` ; do | |
echo $((`printf '%d' "'$i"` -97)) | |
done | |
} | |
echo "What is your option" | |
echo "1) Encryption" | |
echo "2) Decryption" | |
echo "3) Exit" | |
read option; | |
if [ "$option" -eq "1" ]; then | |
echo "You selected Encryption" | |
elif [ "$option" -eq "2" ]; then | |
echo "You selected Decrypion" | |
elif [ "$option" -eq "3" ]; then | |
echo "You selected Exit,program will exit soon" | |
exit 0 | |
else | |
echo "Invalid input,program will terminated soon" | |
exit 0 | |
fi | |
echo "The key is ${lkey[@]}" | |
echo `let2num ${lkey[@]}` | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment