Create script to add user and create directory Post: 302509440

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Homework and Emergencies Homework & Coursework Questions Create script to add user and create directory Post 302509440 by pbhound on Thursday 31st of March 2011 11:43:56 AM

03-31-2011

Registered User

Quote:

Originally Posted by m1xram

Code:

egrep -q "^$username:" /etc/passwd
if [ $? -eq 0 ]; then
    echo "found"
fi

I don't understand your question about the carat character. '^' can be inserted like any other character. In VI you hit 'i' to insert and then <shift 6> on a US keyboard.

Thank you that is what i was looking for (the keyboard shortcut). man have i had a long day it was only after you said <shift 6> that i saw the character there on the keyboard when i looked for it before posting to this site. man i feel so dumb at the moment haha.

Quote:

Originally Posted by m1xram

I added ':' character to the end of the match to make sure it is an exact match. For instance "^Joe" can match "Joe", "Joe2", or "Joe_38933". "^Joe:" will only match user "Joe".

thank you i will do this as you said.

again thank you for your assistance!

---------- Post updated 03-31-11 at 11:43 AM ---------- Previous update was 03-30-11 at 08:54 PM ----------

my next problem is to create a counter for the UID when i add a user this is what i have currently without the counter

/bin/egerp -i "^$UserName:" /etc/passwrd
if [ $? -eq 0 ]
then
echo "User $UserName exists in /etc/passwd!"
else
echo "User $UserName does not exist in /etc/passwd!"
useradd -u 2000 $UserName

now what i am thinking is something along the lines of this:

/bin/egerp -i "^$UserName:" /etc/passwrd
if [ $? -eq 0 ]
then
echo "User $UserName exists in /etc/passwd!"
else
echo "User $UserName does not exist in /etc/passwd!"
userid=2000
while test $userid -le 3000
do
echo $userid
userid="expr $userid+1"
done
useradd -u $userid $UserName

does this look correct?

thank you

pbhound

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LEARN ABOUT MINIX

ipcmk

IPCMK(1)							   User Commands							  IPCMK(1)

NAME

       ipcmk - make various IPC resources

SYNOPSIS

       ipcmk [options]

DESCRIPTION

       ipcmk allows you to create shared memory segments, message queues, and semaphore arrays.

OPTIONS

       Resources can be specified with these options:

       -M, --shmem size
	      Create  a  shared  memory  segment of size bytes.  The size argument may be followed by the multiplicative suffixes KiB (=1024), MiB
	      (=1024*1024), and so on for GiB, etc. (the "iB" is optional, e.g., "K" has the same meaning as "KiB") or the suffixes KB (=1000), MB
	      (=1000*1000), and so on for GB, etc.

       -Q, --queue
	      Create a message queue.

       -S, --semaphore number
	      Create a semaphore array with number of elements.

       Other options are:

       -p, --mode mode
	      Access permissions for the resource.  Default is 0644.

       -V, --version
	      Display version information and exit.

       -h, --help
	      Display help text and exit.

SEE ALSO

       ipcrm(1), ipcs(1)

AUTHOR

       Hayden A. James <hayden.james@gmail.com>

AVAILABILITY

       The  ipcmk  command  is	part  of the util-linux package and is available from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils
       /util-linux/>.

util-linux							     July 2014								  IPCMK(1)