Shell Programming and Scripting

#!/bin/bash

FILE=false
ISFOUND=false

while getopts f:d: OPTION
do
    
case $OPTION in
    
	f) FILE=$OPTARG ;;
    	d) dirVar=$OPTARG
     esac
done

IFS=$'\n'

for file in "$(ls -1 $dirVar)"   ; do
           if [  "$file" = "$FILE"  ] ; then
              ISFOUND=true
     	      echo "found file : $FILE"
	  fi
done

unset IFS

if [ "$ISFOUND" = "false" ] ; then
    echo "file does not exists"
fi

#!/bin/bash
while getopts f:d: OPTION
do
	case $OPTION in
		f) FILE=$OPTARG ;;
		d) dirVar=$OPTARG
     esac
done
ls "$dirVar/$FILE" && echo "found file : $FILE"

#!/bin/bash


FILE=false

ISFOUND=false


while getopts f:d: OPTION

do

    case $OPTION in

    f) FILE=$OPTARG ;;

    d) diyrVar=$OPTARG

     esac

done

function search ()

{

    IFS=$'\n'

    for file in $(ls -1 $dirVar)   ; do

      if [ "$file" = "$FILE"  ] ; then

	  if [ -d $file ] ; then         #is a folder 
	 
		#search $dirVar/$file    #go recurcive to the folder

              echo "$file is a folder"
	      
	   else              #is not a folder

               ISFOUND=true
     	 
	       echo "found file : $FILE"

	   fi
       fi	  
 
   done

   unset IFS

 
	if [ "$ISFOUND" = "false" ] ; then

		echo "file does not exists"

    	fi

}

search