Control-M is a character found at the end of a line usually in files transferred from windows. Before, processing these files in UNIX, we need to remove the ^M characters. Let us see in this article, the different ways to delete the Control-M from the files:
Consider a file, file1, which has the control M characters:
comm is one of the most underused commands in UNIX. I have seen many times programmers resorting to writing a shell script to achieve something which comm could have done it easily. Let us see how to use this comm command.
Say, you have a file, file1, which contains the list of files present in a version. And file2 contains the list of files received in the next version:
Oracle XE is a Oracle Express edition Oracle software provided by Oracle. This software allows developers to install Oracle in their computer and practice Oracle and PL/SQL.
Steps for Installation:
1. Download the Oracle Database 10g Express Edition software fromOracle XE.
2. Install the software just like any windows software.
3. During Installation, it will ask you for password. Remember the credentials. The username is SYS.
In one of our earlier articles, we saw the different positional parameters in a shell script. We discussed about the positional parameter $*. There is one more positional parameter, $@, the definition of which is also the same as $*. Let us see in this article the exact difference between the parameters $* and $@.