#!/bin/bash
#Takes the $1 argument of the beginning line number, and the 
# $2 argument of the element you are looking for
# $3 is the name of the file
LineNumberDownFunction ()
{
echo "arguments are $1 $2 and $3"

local BeginLineNumber
#BeginLineNumber=""
BeginLineNumber="$1"

local EndSectionElement
#EndSectionElement=""
EndSectionElement="$2"

local File
#File=""
File="$3"

local FoundEndSectionElement
FoundEndSectionElement=""

local EndLineNum
#EndLineNum=""
local LineNum

local EndSectionLineNumber
#TestSectionInformation=""
echo "file is $File"
LineNum="$BeginLineNumber"; echo "BeginLineNumber is $BeginLineNumber"
#read
#initialize EndLineNum which will ultimately be the line with the ending component tag, "$EndSectionElement"
EndLineNum="$(($LineNum+1))"; echo "EndLineNum is $EndLineNum"
#This is to check the line and if it does not contain $EndSectionElement, add 1 to EndLineNum and go to the next line and check that one
head -"$EndLineNum" "$File" | tail -1| grep -q "$EndSectionElement" > /dev/null
FoundEndSectionElement="$?"
#FoundEndSectionElement="$(head -"$EndLineNum" "$File" | tail -1| grep -q "$EndSectionElement";echo "$?")"
#FoundEndSectionElement="$(sed -n "$EndLineNum"p "$File" | grep -q "$EndSectionElement";echo "$?")"
echo "FoundEndSectionElement is $FoundEndSectionElement"
#read
while [ "$FoundEndSectionElement" = "1" ];
do 
  EndLineNum="$(($EndLineNum+1))"
  echo "EndLineNum is $EndLineNum"
  # echo "$(head -"$EndLineNum" "$File" | tail -1)"
  head -"$EndLineNum" "$File" | tail -1 | grep -q "$EndSectionElement"
  FoundEndSectionElement="$?"
  #FoundEndSectionElement="$(head -"$EndLineNum" "$File" | tail -1 | grep -q "$EndSectionElement";echo "$?")"
  echo "FoundEndSectionElement is $FoundEndSectionElement and the EndSectionElement is $EndSectionElement and current line being tested is $EndLineNum"
done
echo "Beginning line Number of the Section is $BeginLineNumber"
EndSectionLineNumber="$EndLineNum"
echo "Ending Line Number of the Section is $EndSectionLineNumber"

TestSectionInformation=$(echo "$BeginLineNumber:$EndSectionLineNumber:$EndSectionElement:$File")
echo "end LineNumberDownFunction"

}