#!/bin/bash

FILES="*"

for f in "$FILES";
if [ ! -d $f ]; then
do
  echo " " > $f;
done
fi


=======================================
[root@cc69-45:/var/log ] $:./cleanlog.sh
./cleanlog.sh: line 6: syntax error near unexpected token `if'
./cleanlog.sh: line 6: `if [ ! -d $f ]; then'