[Klug-general] managing multiple users

[David Halliday]

Try pumping it into the for loop.

I have a script (to hand) which takes an input from another script (or
command line) and processes it line by line like this:

while read line
do
    echo $line
    someFunctionCall $line
done

Could execute like:
sudo cat /etc/passwd | grep '/home' | cut -d : -f 1 | ./newScript.sh

On 24 September 2010 10:18, Evan Ingram <evan.ingram at cariss.co.uk> wrote:

> I had come across that link already :)
>
> It prints all the usernames on seperate lines, what would I have to do
> to get them all on oneline... userA userB userC?
>
> Or is there a way the usermod script can take usernames on different
> lines?
>
> #!/bin/sh
>
> for USER in
> userA
> userB
> userC
> userD
> userE
> ; do
>  usermod -G USERS $USER
> done
>
> ????
>
>
> On Fri, 2010-09-24 at 10:09 +0100, David Halliday wrote:
> > Some discussion on it
> > here:
> http://www.linuxquestions.org/linux/answers/Networking/How_to_list_all_your_USERs
> >
> >
> > I did this s few years ago to pull out Active Directory users:
> > http://david-halliday.co.uk/?Linux:Make_/home/
> >  (I wanted them to have a /home on a linux box so they had FTP, SSH
> > and (as a result of a public_html directory) HTTP web hosting easily
> > configured for educational purposes. While that wbinfo command is for
> > ad users there might be something else but I can't find it yet.
> >
> >
> > A short answer to your question could be something along the lines of:
> > sudo cat /etc/passwd | grep '/home' | cut -d : -f 1
> >
> >
> >
> >
> > On 24 September 2010 09:51, Evan Ingram <evan.ingram at cariss.co.uk>
> > wrote:
> >         Hi all
> >
> >         I always assumed managing users would be a lot simpler in
> >         linux, but im
> >         struggling to find an easy way to add 500+ users into groups.
> >         Got a
> >         couple of groups that I need all users to be a part of.
> >
> >         #!/bin/sh
> >
> >         for USER in userA userB userC userD userE; do
> >          usermod -G USERS $USER
> >         done
> >
> >         script above should do the trick, but then I'd need to get a
> >         list of all
> >         my usernames in the correct format, ie userA userB userC, so
> >         i'd have to
> >         use a combination of awk/sed/whatever on /etc/passwd. Is there
> >         an easier
> >         way?
> >
> >         cheers
> >
> >
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> >
> >
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>
> --
> Evan Ingram
> Technical Manager
> CARISS
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