filename | version | timestamp

 
filename1|v1|20091020
filename2|v1|20091020
filename3|v1|20091020

 
filename1
filename2
filename5

 
filename1|v2|20091021
filename2|v2|20091021
filename3|v1|20091020
filename5|v2|20091021

 
for source in `cat lsout.txt`
do
 for LineFromFile in `cat Dictionary.txt`
   do
   ## lets read in the filename first of the file
   ModifiedLineFromFile=`echo $LineFromFile|sed s,"|"," ",g`
   FileName=`echo $ModifiedLineFromFile |nawk '{ print $1 }'`
   if [[ $source == $FileName ]] then
   echo "Match Found : $FileName"
  #####Need code here to update the line with the new information######   
   fi
   done
done

awk -F"|" -v v="v2" -v d="20091021" '
NR==FNR{a[$0]=$0;next}
a[$1]{print $1 FS v FS d;delete a[$1];next}
{print}
END{
  for(i in a){
    if(a[i])print a[i] FS v FS d
  }
}' lsoutfile dictionaryfile

./myscript V2 20091021 lsoutfile dictionaryfile

#!/bin/sh

awk -F"|" -v v="$1" -v d="$2" '
NR==FNR{a[$0]=$0;next}
a[$1]{print $1 FS v FS d;delete a[$1];next}
{print}
END{
  for(i in a){
    if(a[i])print a[i] FS v FS d
  }
}' "$3" "$4"

#!/bin/bash

mycode="20091021"
process="v2"
EOL=false
lsout=( $(< "lsout.txt" ) )
until $EOL
do
IFS="|" read -r a b c || EOL=true
    f=0
    for (( i=0; i<=${#lsout[*]};i++ ))    
    do 
        if [ "${lsout[$i]}" == "${a}" ] ; then
            L="$a|$b|$mycode"
            f=1
            unset lsout[$i]
            break
        fi
    done
    if [ "$f" -eq "1" ];then    
        echo "$L"
    else
        echo "$a|$b|$c"
    fi
done <"dictionary.txt"
for k in "${lsout[@]}" 
do
    echo "$k|$process|$mycode"
done

$ more dictionary.txt
filename1|v1|20091020
filename2|v1|20091020
filename3|v1|20091020

$ more lsout.txt
filename1
filename2
filename5

$ ./shell.sh
filename1|v1|20091021
filename2|v1|20091021
filename3|v1|20091020
filename5|v2|20091021