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Top Forums Shell Programming and Scripting While loop running after reaching limit Post 302586025 by ahamed101 on Friday 30th of December 2011 02:31:46 AM
Old 12-30-2011
Instead of calling the "ADD" function again, use continue
Code:
...
    if [ "$output" = "$USER" ]
    then
      echo " Opps ! $USER is already exist Please Enter again"
      ## Call ADD Function in case of User already exist
      continue
    fi
...

Some points to note... The below code is better than using cat... Also check for the users at the start...
Code:
output=`grep ^$USER /etc/passwd | cut -d: -f1`

HTH
--ahamed

Last edited by ahamed101; 12-30-2011 at 03:37 AM..
This User Gave Thanks to ahamed101 For This Post:
 

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DROP 
USER(7) SQL Commands DROP USER(7) NAME
DROP USER - remove a database user account SYNOPSIS
DROP USER name DESCRIPTION
DROP USER removes the specified user from the database. It does not remove tables, views, or other objects owned by the user. If the user owns any database, an error is raised. PARAMETERS name The name of an existing user. DIAGNOSTICS
DROP USER The message returned if the user is successfully deleted. ERROR: DROP USER: user "name" does not exist This message occurs if the user name is not found. DROP USER: user "name" owns database "name", cannot be removed You must drop the database first or change its ownership. NOTES
Use CREATE USER [create_user(7)] to add new users, and ALTER USER [alter_user(7)] to change a user's attributes. PostgreSQL includes a program dropuser [dropuser(1)] that has the same functionality as this command (in fact, it calls this command) but can be run from the command shell. EXAMPLES
To drop a user account: DROP USER jonathan; COMPATIBILITY
The DROP USER statement is a PostgreSQL extension. The SQL standard leaves the definition of users to the implementation. SEE ALSO
CREATE USER [create_user(7)], ALTER USER [alter_user(l)], dropuser(1) SQL - Language Statements 2002-11-22 DROP USER(7)
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