andy wrote:
> i have a file containing the below contents.
> ===========================================
> root:x:0:0:root:/root:/bin/bash
> bin:x:1:1:bin:/bin:/bin/bash
> daemon:x:2:2:Daemon:/sbin:/bin/bash
> lp:x:4:7:Printing daemon:/var/spool/lpd:/bin/bash
> mail:x:8:12:Mailer daemon:/var/spool/clientmqueue:/bin/false
> news:x:9:13:News system:/etc/news:/bin/bash
> uucp:x:10:14:Unix-to-Unix CoPy system:/etc/uucp:/bin/bash
> games:x:12:100:Games account:/var/games:/bin/bash
> man:x:13:62:Manual pages viewer:/var/cache/man:/bin/bash
> at:x:25:25:Batch jobs daemon:/var/spool/atjobs:/bin/bash
> wwwrun:x:30:8:WWW daemon apache:/var/lib/wwwrun:/bin/false
> ftp:x:40:49:FTP account:/srv/ftp:/bin/bash
> postfix:x:51:51:Postfix Daemon:/var/spool/postfix:/bin/false
> sshd:x:71:65:SSH daemon:/var/lib/sshd:/bin/false
> ========================================================
> I want the fourth coulmn that is after 3rd semicolon value to be
> stored in a variable for each row .
> I am not getting the exact regular expression for this.