Untitled

Count the occurrence of a string in an input file
#!/bin/bash

INPUT_FILE="$1"
declare -a LIST_CHARS

if [ $# -ne 1 ]
then
        echo "Usage: $0 <file_name>"
        exit 1
fi


if [ ! -f $INPUT_FILE ]
then
        echo "$INPUT_FILE does not exists. Please specify correct file name"
        exit 2
fi

while read line
do
        while read i
        do
                echo $line
                count=`grep -i $line | wc -l`
                echo "String $line appears $count times"
        done < $INPUT_FILE

done < $INPUT_FILE

&#47;.&#47;

sort -f FILE | uniq -ic

s/^ *([0-9]+) (.*)/2 appears 1 times/

while read line
do
    uc=$(echo $line | tr [a-z] [A-Z] | tr -d ' ')
    echo  $uc $(grep -i "$uc" strs.txt | wc -l)
done< data.txt | sort | uniq

31
ALLEN 6
MARK 4
MOKADDIM 1
SHIPLU 1
TIM 4

sort -f data.txt | uniq -i -c  | while read num word
do
    echo $(echo $word|tr [a-z] [A-Z])  appeard  $num times
done