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hey its working... thanks so much!

Here is the text file:
1This is a text file
2this is a text file
3This is a text file
4this is a text file
5This is a text file
6this is a text file
7This is a text file
8this is a text file...

Hi,

I need to replace 10 characters string (21-30) in a file with another string.

I tried using cut command, i am able get these 10 charaters, but do not know how to replace them inside the...

woow! this is working very fine... thanks a lot Jim!!

Johny

Hi,

I need to rename all the .txt files present in current directory to .dat files respectively in UNIX.

for example:

$ ls
aaa.txt bbb.txt ccc.txt

I need to change them to...

Wooow... Era.... thanks ...the solution you provided is working fine...

:-).... really a great help!

Thanks a lot Bijayant... this is one line answer and working great!!

This is FYI....

I have found the solution.

We would be required to write a script for this.

----------------------------------
#!/bin/ksh

grep -lr '^A$' ../ > finding.txt

cat...

I progresses till this part... I need to link them...trying to do it now...

first using grep command i get the files which contians this patter.
----------------------
$> grep -lr '^A$' ../*...

Thanks a lot for your reply... :-)

I am looking into find command and see if i can get out of it some useful stuff...

My motive is to
1. search a patter in all the files in directory and...

What I need to do is: I need to use the grep command to search for pattern in directory and sub-directories. And also I need to show the permission of file been seached by the grep command.

Could...