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Shell Programming and Scripting
Append users if GID exists
Post 302714829 by MaindotC on Friday 12th of October 2012 08:39:12 PM
10-12-2012
I figured it out before I was able to consider some of your suggestions 
I grep the destination file to see if the GID already exists in the file that I store that in a variable. If that variable is empty then I append the GID definition to the bulkload file. If the variable is not null then I remove the line that contains the GID definition and then replace it with the same thing but with the user's id appended at the end.
Probably not very efficient as DGPickett points out...I may have to try a different logic as we increase in numbers.
I grep the destination file to see if the GID already exists in the file that I store that in a variable. If that variable is empty then I append the GID definition to the bulkload file. If the variable is not null then I remove the line that contains the GID definition and then replace it with the same thing but with the user's id appended at the end.Probably not very efficient as DGPickett points out...I may have to try a different logic as we increase in numbers.
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LEARN ABOUT OSF1
addgroup
addgroup(8) System Manager's Manual addgroup(8) NAME
addgroup - Adds a new group interactively SYNOPSIS
/usr/sbin/addgroup DESCRIPTION
Security Note If you have enhanced security installed on your system, you should use the dxaccounts program to add a group. See Security and the dxac- counts(8) reference page for more information. The addgroup command is an interactive program for adding new groups to the /etc/group file. The program prompts you for specific informa- tion and informs you of its activity and error conditions. Only the superuser can execute this command. The program performs the following tasks: Queries for a new group name. The default can be chosen by pressing the Return key, which will cause the program to exit without adding a new group. Enter the new group name, 8 characters or less, or Return to exit. If the new group entered already exists in the /etc/group file, the program informs you of this and cycles back to the query for a new group name. If the new group entered does not already exist, the program continues. Queries for a group number (GID) for the new group. A default GID, which is based on previously existing GID's in the /etc/group file, is displayed and can be selected by pressing the Return key. Enter a new GID or accept the default. If the new GID entered already exists in the /etc/group file, the program informs you of this and cycles back to the query for a new group number (GID). If the new GID entered does not already exist in the /etc/group file, the program uses this GID and adds the new group to the /etc/group file. At this point, the program ends. This interface has been superseded by the groupadd command-line interface, and the Account Manager (dxaccounts) graphical user interface. RESTRICTIONS
The group name is limited to eight characters. EXAMPLES
Enter a new group name or <Return> to exit: newgroup Enter a new group number [112]: FILES
Specifies the command path. Group file Lock file SEE ALSO
Commands: adduser(8), dxaccounts(8), groupadd(8), removeuser(8) Files: group(4) addgroup(8)