Shell Programming and Scripting

 
#/bin/sh
echo "Enter directory"
read gh
for file in `ls $gh`
do
# to get the size of file
a=$( ls -l file | awk ' {print $7} ');
echo $a
if [ "$a" = 0 ]
then
echo "removing file "
rm file
 
fi
done

echo "Enter directory"
read gh

if [ ! -d "$gh" ]
then
        echo "$gh doesn't exist or isn't a file"
        exit 1
fi

for file in ${gh}/*
do
        # If we somehow get an invalid filename, ignore it.
        # -e means 'file exists'.
        [ -e "$file" ] || continue
        # -s means "if the file exists and has nonzero size".
        [ -s "$file" ] && continue
        # remove the 'echo' once you've tested this and are sure it works
        echo rm -f "$file"
done

find yourdirectory -type f -ls 2>/dev/null | 
while read x x x x x x s x x x f
do
  if [ $s -eq 0 ]; then
    rm -f "$f"
  fi
done

    [  -s "$file" ] && continue

find "$dir" -mindepth 1 -prune -size 0c -exec rm {} \;

 
used descending order in code
 
for file in `ls /home/bob/$gh`    do
 
  [ -e "$file" ]  || continue
   [  -s "$file" ] && continue
rm -f "$file"
done