Shell Programming and Scripting

Hi i have two question

1. Yahoo!

In above there are total three words

1.1. www
1.2. yahoo
1.3 com

how can i take all three things in different variable, i dont understand that how to separate dot.

it looks like that

a=www
b=yahoo
c=com


2. i have variable xyz whois value is google.com and i have file i want to replace yahoo.com to google.com

From
mydomain="ssh[^.*\.yahoo\.com$]"

To
mydomain="ssh[^.*\.google\.com$]"

Thanks,
bash

for your first question:

Assuming you have this text in a file "test":

Code:

solution : a= cut -d "." -f1 test
             b= cut -d "." -f2 test
             c= cut -d "." -f3 test

for your second solution :

Code:

replace bar with the variable , you need to use to replace the string.

sed -i -e"s/foo/bar/g;" filename

hi nua7,

Thanks for reply, about second question

From
mydomain="ssh[^.*\.yahoo\.com$]"

To
mydomain="ssh[^.*\.google\.net$]"

pls advice.

Thanks,
bash

Hope this might be useeful:

Code:

ssh -T -t -l root parhost /bin/sh < local_script.sh

hi,

no it wont help, that is variable, i am not doing or nor using ssh, just that is variablename.



Thanks,
bash

I did not get the question correctly.I thought you need to execute this command on some other machine.

Did you try using the sed command I gave you earlier..?May be try rephrasing the question again.

hi nua7,

Thanks for your prompt reply, i have tried that one as well, but it not going to change.

From
mydomain="ssh[^.*\.yahoo\.com$]"

To
mydomain="ssh[^.*\.google\.net$]"

from above ,change yahoo.com to google.net , to may be change, it may varies the value.

or lets suppose

i have this

a=google.net

how to put this in below at exact position where it is required.


mydomain=""

change to

mydomain="ssh[^.*\.google\.net$]"



Thanks