Shell Programming and Scripting

> cat ck_format 
#! /bin/bash
xf="file"
cnt=1
max=5

while [ $cnt -le $max ]
   do
   zf="$xf""$cnt"
#   echo $zf
#verify file integrity
   if [ -s $zf ]
      then
      flag=0
      testf=$(cat $zf | grep "^City:")
      if [ -n "$testf" ]
         then
         flag=$((flag+1))
      fi
      testf=$(cat $zf | grep "^Zip:")
      if [ -n "$testf" ] 
         then
         flag=$((flag+1))
      fi
      testf=$(cat $zf | grep "^State:")
      if [ -n "$testf" ] 
         then
         flag=$((flag+1))
      fi
      if [ $flag -eq 3 ]
         then
          echo "The file "$zf" is a good file"
         else
          echo "The file "$zf" is a bad file"
      fi   
   fi
   cnt=$((cnt+1))
done

#!/bin/ksh
# prints a 1 if file is correctly either template 1 or template2,
#          else print 0

template_check()
{
	awk ' /^City/     {template1++}
	      /^Zip/      {template1++}
	      /^State/    {template1++}
          /^Employee/ {template2++}
          /Phone/     {template2++}
          END { if(!template1 && template2==2 || template1==3 && !template2)
                {print 1}
                else
                {print 0}
              }' "$1"
}

# test of template_check
echo "File1
City: Brockton
Zip: 02330
State: MA
" > file1

echo "template_check gives $(template_check file1)"

echo "file2
City: Boston
Zip: 02109
State: MA
" > file2

echo "template_check gives $(template_check file2)"

echo "file3
City: Boston
Zip: 02109
" > file3

echo "template_check gives $(template_check file3)"

echo "file4
Employee: John
Phone: 3456
" > file4

echo "template_check gives $(template_check file4)"

echo "file5
City: Boston
Phone: 3456
" > file5

echo "template_check gives $(template_check file5)"

template_check gives 1
template_check gives 1
template_check gives 0
template_check gives 1
template_check gives 0