
If you need to execute the FOR loop the N number of times, and this value will be set by a variable, the script will look like this:
#!/bin/bash
END=10
for i in $(seq 1 $END)
do
echo $i
done

If you need to execute the FOR loop the N number of times, and this value will be set by a variable, the script will look like this:
#!/bin/bash
END=10
for i in $(seq 1 $END)
do
echo $i
done