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Hi,

I guess if you use regular expression avialable in perl it would be good..

But still if you insist to do it using Unix, then in that case you might have to use awk command which would be a...

Here, [ -e var1 ] is used here to check for the existence of that variable
( var1), In your case its,$1 , which signifies the first argument bring passed to the script.


I hope this suffices...

sed '/^[ <tab>]*$/d' file ,
This works pretty nicely..
<tab> - you have to press tab key there..

who | cut -d " " -f 1

ls -l | grep -v '.gz'

Hi,

Actually i think first you have to connect to the remote server and then see for your existence of it trough if command and if found then you cn use the move command and move it across to...

Hi,

First yo chech for the file existence and then

FLAG=0;
while read file
do
FLAG =1;
done < input_file
echo "$FLAG"

I think this should work...

Hi ,


You can check for a link by typing the following command,

ls -l | grep ^l

Now when you type in `ls -l` it will show you the long listing of all the file in the curent directory and...

hi,

I have to extract a column from a file and then updated that column..??

Now i can use wak for extracting it and then how to update it..

$ awk' {print $5}' input_file

Can i use sed...