Commands:
tr: The tr command can be used for to translate the characters that means the given string is replaced with the replacement string.
Syntax: Tr [original string] [replacement string]
grep: The grep command can be used for to search the regular pattern on given file.
Syntax: grep [ pattern ] file name
if [ $# -eq 0 ]
then
echo "no arguments"
else
tr " " "
" < $1 > temp
shift for i in $*
do
tr " " "
" < $i > temp1
y=`wc -l < temp`
j=1
while [ $j -le $y ]
do
x=`head -n $j temp | tail -1`
c=`grep -c "$x" temp1`
echo $x $c
j=`expr $j 1`
done
done
fi
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