#! /bin/sh
# Script name: finder
# Bourne shell script
# A menu program
##############################
##  DISCLAIMER  DISCLAIMER  #############################################
##############################
#
# This shell script is supplied with no guarantee.
# It is given on the understanding that the supplier will not be held
# responsible for any inaccuracies, disruption or loss of data
# incurred through use of this script.
# Use of this script implies acceptance of the above disclaimer.
#
##############################
##  DISCLAIMER  DISCLAIMER  #############################################
##############################
#
a=NO
while [ $a = "NO" ]
do
clear
echo "Please enter the name of the starting directory \c"

read sdir
if [ -d "$sdir" ]
then
        a=YES
else
        echo "Sorry.. That is not a valid directory name.. Try again"
        sleep 1
fi
done

b=NO
while [ $b = "NO" ]
do
clear
echo "Starting from $sdir"
echo "Please enter the file name to find (wildcards are allowed) \c"
read fname

# Assign a value to the variable of no value is entered
fname=${fname:-null_value}

# Test whether the alternative value has been assigned
if [ "$fname" = "null_value" ]
then
    echo "You must enter a filename to find!"
    sleep 1
else
    echo "OK... Starting the find operation
    Do you want the 'found' files to be written to a file 
    as well as being displyed on the screen \n
    Type Y or y for Yes, RETURN or Any character = No \c"
    read ans
    if [ "$ans" = "Y" -o "$ans" = "y" ]
    then
	sfile=/tmp/found.$$
	    echo "Details will be stored in $sfile"
	    else
		sfile=""
		fi
		echo "\nError messages are being suppressed. 
		Please wait.. This may take some time\n"
		sleep 3
		if [ -z "$sfile" ]
		then
		    find $sdir -name "$fname" -print 2>/dev/null | more
			val=$?
			else
			    find $sdir -name "$fname" -print 2>/dev/null | tee $sfile | more
				val=$?
				fi
				if [ $val -ne 0 ]
				then
				    echo "It appears that an error occurred and 'find' did not work"
					echo "...or... Nothing was found!"
					else
					    echo "\nFind operation completed"
					    fi
					    b=YES
fi
done