#!/bin/bash
read litera
litera="$litera-"
while
read LINE;
do
if [ ${litera:1} = "-" ]
then
echo $LINE |tr 'A-Z' 'a-z' | tr -cd "${litera:0}" | wc -c;
else
echo $LINE | tr -cd "${litera:0}" | wc -c;
fi
done