shell select

[omc@rocca shuai]$ cat select.sh 
#!/bin/sh
 
echo "What is your favourite OS?"


select var in "Linux" "Gnu Hurd" "Free BSD" "Other"; do
  break;
done


echo "You have selected $var"

[omc@rocca shuai]$ 

========================================================

[omc@rocca shuai]$ sh select.sh 
What is your favourite OS?
1) Linux
2) Gnu Hurd
3) Free BSD
4) Other
#? 1
You have selected Linux
[omc@rocca shuai]$