Shell Programming and Scripting

LINE="lbla bla bla jcjfd<text>what i want</text>flh%(j blablabla<text>second occurence</text>juhgfiuhf<text>third occ</text>jkhgq"
I=1
LINE=${LINE#*<text>}	# Removes all from the begining up to the first "<text>"
LINE=${LINE%</text>*}	# Removes all from the end down to the last "</text>"
while echo $LINE | grep -q "<text>"	# more than one field
do	TEXT[$I]=${LINE%%</text>*}
	LINE=${LINE#*<text>}
	let I=I+1
done
TEXT[$I]=${LINE%</text>*}	# for the last one
{	# To see what we've done
	N=$I
	I=1
	while [ $I -le $N ]
	do
		echo "TEXT[$I] = ${TEXT[$I]}"
		let I=I+1
	done
}

I=1
while read LINE
do
	LINE=${LINE#*<text>}
	LINE=${LINE%</text>*}
	while echo $LINE | grep -q "<text>"
	do
		echo "$I ${LINE%%</text>*}"
		LINE=${LINE#*<text>}
		let I=I+1
	done
	echo "$I ${LINE%</text>*}"
        let I=I+1
done < inputfile > ouputfile

LINE=`cat inputfile`
I=1
{
    LINE=${LINE#*<text>}    # Removes all from the begining up to the first "<text>"
    LINE=${LINE%</text>*}    # Removes all from the end down to the last "</text>"
    while echo $LINE | grep -q "<text>"    # more than one field
    do
    echo "$I ${LINE%%</text>*}"
        LINE=${LINE#*<text>}
        let I=I+1
    done
    echo "$I ${LINE%</text>*}"    # for the last one
} > ouputfile

LINE=`cat inputfile`
{
    LINE=${LINE#*<text>}    # Removes all from the begining up to the first "<text>"
    LINE=${LINE%</text>*}    # Removes all from the end down to the last "</text>"
    while echo $LINE | grep -q "<text>"    # more than one field
    do
    echo "${LINE%%</text>*}"
        LINE=${LINE#*<text>}
    done
    echo "${LINE%</text>*}"    # for the last one
} > ouputfile