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Update a particular line in a file

 
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# 1  
Old 03-11-2010
Update a particular line in a file
Hii to all..

I have a file stud.lst

bash-3.1$ cat stud.lst
NO NMAE DOB 10 +2 BE AVG
075 syam saksena 12/12/55 500 398 550 48.26
099 sachin 11/05/47 450 500 600 51.66
300 mohan kumar 19/04/43 500 600 700 60.00
100 john 12/12/52 800 750 700 75.00
125 anil 03/09/38 800 700 750 75.00
101 sourav 30/08/56 600 780 900 76.00

I wanna give provision to change the personal details... with this file in a shell script





echo -n "record u wanna change, give student name :"
read name
grep $name stud.lst #shows record need to update
echo "Enter new data like no name dob 10 12 BE "

# here I've to read the data and calculate average and update the whole line to file....

# How to do it....


Thanking u...Smilie
# 2  
Old 03-11-2010
Is this another homework question?

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# 3  
Old 03-11-2010
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