user add

[mahesh_24]

I want to write a shell script using sed and awk which automatically and adds and modifies, delete user ..any ideas ???

[Mark Grant]

Probably best to use the "useradd" command.

It is difficult to post a script here, if you don't want to use "useradd", as so many people would do this in different ways.

I suspect the best thing would be do a short script to keep track of the next free UID and put that as a variable to the "useradd" command.

[Robert-Jan Goossens]

Hi Mahesh,

Take a look at the command useradd and userdel.

Hope it helps,

Robert-Jan.

[mahesh_24]

does anbody has any script to see the used id alraedyu assigned and chose the free one .I want to add the uer ids in nis not using the useradd command ..so have to parse through the passwd file .

[twang]

The following script I use recently to add many users at a time:

#!/bin/sh
for i in `cat /tmp/newusers.lst`
do
USER=`echo $i | awk -F":" '{print $1}'`
UID=`echo $i | awk -F":" '{print $2}'`
GROUP=`echo $i | awk -F":" '{print $3}'`
DIR=`echo $i | awk -F":" '{print $4}'`
SHELL=`echo $i | awk -F":" '{print $5}'`
/usr/sbin/useradd -u $UID -g $GROUP -d $DIR -s $SHELL $USER
if [ $? -eq 0 ]
then
/usr/bin/passwd $USER
fi
done

[mahesh_24]

My requirement is to change the existing NIS file eg.
user field to = Yusername
passwd =*.NP*
comment = user disabled
shell= /bin/false

i have written a sed script which is changing the first field only ..now i wanna change passwd , comment and shell field.I am pastiniog the script below ..for suggestions /modifications ..

#!/usr/bin/ksh
#usage :scriptname passwdfilename
set -x
for x
do
echo "enter the user name \c"
read user1
echo "the user name to be disabled is $user1"
grep "^${user1}:" $x
if [ $? -eq 0 ]
then
sed '/^'$user1':/ {
s/'$user1'/X'$user1'/
}' $x
else
echo "please enter the correct user name as $user1 does not exist in the $x"
fi
done
~



~

[Steven E. Protter]

I'm attaching my version.

You'll see all kinds of cool code, some of it commented.

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