fo in bash code example

Example 1: bash for loop

for VARIABLE in file1 file2 file3
do
	command1 on $VARIABLE
	command2
	commandN
done

Example 2: bash loop counter

TEMPFILE=/tmp/$$.tmp
echo 0 > $TEMPFILE

# Loop goes here
  # Fetch the value and increase it
  COUNTER=$[$(cat $TEMPFILE) + 1]

  # Store the new value
  echo $COUNTER > $TEMPFILE

# Loop done, script done, delete the file
unlink $TEMPFILE