Shell Programming and Scripting

#!/bin/bash

kjv=kjv.txt
trim(){
	local trim_string
	local _TRIM=$1
	trim_string=${_TRIM##*[${2:- }]}
	_TRIM=${_TRIM#"trim_string"}
	echo $_TRIM
}

#trim() {
#	echo $( _trim "$@" )
#}

printf "How many chapters? "
read response

line_count=0
blocksize=1000
while IFS=: read book chapter verse text
do
    line_count - `expr $line_count + 1`
    if [ $line_count -gt $blocksize ]
      then 
         echo ".\c"
         line_count=0
     fi
    #this is a temp variable!
    chapterCount=$response
    chapterNumber=$( trim "$chapter" 0 )
    if [ $chapterNumber -le $chapterCount ]
    then 
        firstword=${text%% *}
        printf "%s %s:%s %s\n" "$book" "$chapter" "$verse" "$firstword"
    fi
done < "$kjv"

line_count - `expr $line_count + 1`