Append users if GID exists Post: 302712651

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append 3 users in /etc/passwd

I am looking to add 3 lines in /etc/passwd via a script. Can you please give me an idea on how to write a script that can do that?

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Hi, can somebody tell me how to make directoriy in which all files will be generated as dir owner ? I'm able to add GID for directory group and files have group id like folder , but when i do same for user files still are created as user which creates them :( drwsrwsrwx 2 flexbul ...

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rm: Unable to remove directory /mnt/users/test/logs/: File exists

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find, if exists then append for file with same name

I will have to process multiple files with same name everyday. My requirement is: If on a certain day I see that filename.txt exists then the contents of the filename.txt would be added/append to the former file contents.Each time it sees the file the content would be added.But the header ...

5. AIX

script for finding all the users with GID 0 ( admin group )

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Get the gid from a group name

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Find users with root UID or GID or root home

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Display info about users (UID GID processes terminal)

I would like to get an opinion for my solution for this task and get feedback about better approach or mistakes I have made. 1. The problem statement, all variables and given/known data: The task is to create a script which prints information about users whose names are specified in the...

LEARN ABOUT CENTOS

comm

COMM(1) 							   User Commands							   COMM(1)

NAME

       comm - compare two sorted files line by line

SYNOPSIS

       comm [OPTION]... FILE1 FILE2

DESCRIPTION

       Compare sorted files FILE1 and FILE2 line by line.

       With  no  options,  produce three-column output.  Column one contains lines unique to FILE1, column two contains lines unique to FILE2, and
       column three contains lines common to both files.

       -1     suppress column 1 (lines unique to FILE1)

       -2     suppress column 2 (lines unique to FILE2)

       -3     suppress column 3 (lines that appear in both files)

       --check-order
	      check that the input is correctly sorted, even if all input lines are pairable

       --nocheck-order
	      do not check that the input is correctly sorted

       --output-delimiter=STR
	      separate columns with STR

       --help display this help and exit

       --version
	      output version information and exit

       Note, comparisons honor the rules specified by 'LC_COLLATE'.

EXAMPLES

       comm -12 file1 file2
	      Print only lines present in both file1 and file2.

       comm -3 file1 file2
	      Print lines in file1 not in file2, and vice versa.

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report comm translation bugs to <http://translationproject.org/team/>

AUTHOR

       Written by Richard M. Stallman and David MacKenzie.

COPYRIGHT

       Copyright (C) 2013 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       join(1), uniq(1)

       The full documentation for comm is maintained as a Texinfo manual.  If the info and comm programs are properly installed at your site,  the
       command

	      info coreutils 'comm invocation'

       should give you access to the complete manual.

GNU coreutils 8.22						     June 2014								   COMM(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

append 3 users in /etc/passwd

Discussion started by: melanie_pfefer

2. UNIX for Advanced & Expert Users

GID & UID for HP-UX ?

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3. UNIX for Dummies Questions & Answers

rm: Unable to remove directory /mnt/users/test/logs/: File exists

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4. Shell Programming and Scripting

find, if exists then append for file with same name

Discussion started by: RubinPat