shell programming problem

sang_froid · 06-22-2007, 11:27 AM

Hi
After the user inputs the fully qualified domain name, say test.com.au or download.test.com.au, I would like to extract only the hostname, ie without com.au.

the thing is user might input something as test.com.au or download.test.com.au, but i simply need test and download.test

How do I do this with cut command ( it needs to be done in shell programming)

Hobbletoe · 06-22-2007, 11:35 AM

Assuming that it is going into a variable such as site (as well as assuming that your shell is bash), you can use parameter substitution. ${site/com\.au/} should strip the com.au off of the variable whenever used. Check out the Advanced Bash Scipting Guide, specifically, Section 9.3.

sang_froid · 06-22-2007, 11:44 AM

i am all set...thanks

bigearsbilly · 06-25-2007, 06:00 AM

delete everything after the first dot:

Code:

echo $x
test.blah.com.au

$ echo ${x%%.*}
test