how to use sed to sort out this question

sonicstage · #1 (**permalink**) 04-07-2008

root:x:0:0:0000-Admin(0000):/:/sbin/sh
rootcsh:x:0:1:0000-Admin(0000):/:/bin/csh
nocol:x:6312:630:NOCOL Monitor,,,:/usr/local/lib/nocol-client:/usr/local/bin/bash
nobody:x:60001:60001:uid no body:/:/usr/local/bin/bash
noaccess:x:60002:60002:uid no access:/:/usr/local/bin/bash
nobody4:x:65534:65534:SunOS 4.x NFS Anonymous Access User:/:/usr/local/bin/bash
+@c_staff::::::
+::::::/usr/local/sbin/nologin

all above content are in a file called passwd.txt
username:password:uid:gid:gcos-field:home-dir:login-shell
(i)write a shell script and make above output the fields:username,shell,home directory
(ii)and also removes all the lines which start with a '+'

Yogesh Sawant · #2 (**permalink**) 04-07-2008

is this homework?

what have you done so far?

sonicstage · #3 (**permalink**) 04-07-2008

sed -e '/^+/d' passwd.txt

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