Shell Programming and Scripting

small correction in your script 
do el=`wc -w`;
echo $el

#!/bin/bash

lc=0;
el=0;

while read line
do 
el=`echo $line|wc -w `; 
echo $el
done < "text.txt"


while read 
do 
lc=$(($lc+1));
done < "text.txt"

echo $lc;

while read
do 
el=`wc -w text.txt`
echo "$el";
done < "text.txt"

while read line
do
  echo $line|wc -w 
done < text.txt

#!/bin/bash

el=0;

while read
do 
el=`wc -l -w text.txt`
echo "$el";
done < "text.txt"

 
awk '{w=w+NF};END{print "words "w"\nLine "NR}'

#!/bin/bash 
el=0;
i=1; 
while read line
do
el=`echo $line|wc -w` 
echo "LIne No. " $i ",word count" $el;
i=`expr $i + 1`
 done < text.txt