at a minimum in order to get help from someone who is not standing next to you, you will need to share your code and the error messages you are getting.
codeally@6fb8d222dc34:~/project$ ./countdown.sh 5
./countdown.sh: line 5: syntax error in conditional expression
./countdown.sh: line 6: syntax error near then' ./countdown.sh: line 6: then’
codeally@6fb8d222dc34:~/project$
I’ve edited your code for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.
You can also use the “preformatted text” tool in the editor (</>) to add backticks around text.