So for some reason, it always returns either ssh or 'ok' regardless of how I modify the test statement and have no idea what to do. I left the code below.
echo 'Wanna connect to the raspberry pi? (y/n)'
read $sssh
if [[ $sssh == "y" ]]
then
ssh [email protected]
else
echo 'ok'
fi
The read utility expects the name of a variable as its argument. With read $sssh, you give it the value of the sssh variable rather than the name of a variable.
I'm assuming that you'd want to read into the sssh variable, in which case you should have used read sssh.
Your modified script (incorporating a read loop that iterates until valid input is given by the user):
#!/bin/bash
while true; do
read -p 'Connect to RPi? (y/n): ' yesno
case $yesno in
y) ssh ...; break ;;
n) echo ok; break ;;
*) echo invalid input >&2
esac
fi
or, longer,
#!/bin/bash
while true; do
read -p 'Connect to RPi? (y/n): ' yesno
if [[ $yesno == 'y' ]]; then
ssh ...
break
elif [[ $yesno == 'n' ]]; then
echo ok
break
fi
echo invalid input >&2
fi
read is dependant on the current value of the $IFS variable, so it's good practice to always set IFS for its invocation. You'll probably want to pass -r as well unless you have a good reason for it to treat backslashes specially. So IFS= read -rp .... See also zsh and its read -q for yes/no questions.