Shell Programming and Scripting

# Append contents of filename to outfile if 'word' is found inside it
grep -l "word" filename > /dev/null && cat filename >> outfile

File1
This is shell script forum.
We can ask unix questions
Forum is very good with amazing helpful people
Shell scripting is fun
I am newbie to scripting

Script: 

while read LINE
   do
     #need commands to identify each line with word  "forum" or "shell"  and print it to a                      #file
    
   done <  File1

egrep -i "(^|[^a-zA-Z])(forum|shell)($|[^a-zA-Z])" filename

This is shell script forum.
Forum is very good with amazing helpful people
Shell scripting is fun

$

while read LINE
   do
     #need commands to identify each line with word  "forum" or "shell"  and print it to a                   file
    # Add date &  time to the LINE and some message
done <  File1


So after processing the line would look like:

Message:  "This is shell script forum. " was reported at Thu Mar 15 17:38:50 EDT 2012
Message:  "Forum is very good with amazing helpful people" was reported at Thu Mar 15 17:41:01 EDT 2012
Message: "Shell scripting is fun" was reported at Thu Mar 15 17:41:36 EDT 2012

if echo "$line" | egrep ... > /dev/null
then
        echo "word was found in line"
fi

awk '/(^|[^a-zA-Z])(word1|word2)($|[^a-zA-Z])/ { print "Message: " $0 " was reported at " strftime("%F %$") }' filename