bova

А так
-----
$ cat ttt.sh
#!/bin/sh
echo "This is test"

$ ls -l ttt.sh
-rw-r--r-- 1 user user 32 May 17 16:26 ttt.sh

$ sh < ttt.sh
This is test

как то так наверное

#!/bin/bash
number=10
count=5
for i in `seq 1 $count`; do
    ok=0
    while [ $ok -eq 0 ]; do
        echo "Input value: "
        read value
        if [ `expr $value + 1 2> /dev/null` ] ; then
            ok=1
        fi
    done

    if [ $value -eq $number ]
    then
       echo "Win!!!"
       exit
    fi
done