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Hi Shazin

I tried but no luck.
my file is something like this

i know the key 'channel' based on this key i want to rewrite the particular line.how do i do that

config 'wifi-device'...

Hi

I tried with

sed -n l abc1

No response.

if it is tab then how do i use sed command.
i mean how do i specify the tab character in sed command.

Thanks

Hi !

Tanks for your quick reply

I tried but no luck.

It is not replacing the word

sed -e "s/option \'channel\' \'5\'/option \'channel\' \'8\'/g" abc1

This is what my command.
...

Thanks for your quick reply

It is not home work. i am working on project.

Thanks

Hi everyone
I am new to Unix. I got stuck up by small issue.

I have text file something like this

abc 'xyz' '5'
lmn 'pqr' '7'

i want to replace the abc 'xyz' '5' to abc 'xyz' '6'
...

Hi everyone

I am new to unix . i got struck up with small issue.

i have text file something like this

abc 'xyz' '5'
pqr 'lmn' '6'

i want to replace

abc 'xyz' '5' with abc 'tyr'...