Bash: for

for abc in foo bar baz; do
  echo $abc
done

#!/bin/bash
#
# call with something like
#    ./for one two three


func() {

  echo
  echo "In func:"
  for arg; do
    echo "  $arg"
  done
}

echo "Iterating of script parameters"
for arg; do
  echo "  $arg"
done

func foo bar baz

#!/bin/bash

for (( i=10 ; i>0 ; i-- )); do
  echo i=$i
done

#!/bin/bash

for i in {1..10}; do
  echo $i
done

#!/bin/bash

for file in * ; do
    echo $file
done