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Full Discussion: bash script error with binary operator expected.
Top Forums Shell Programming and Scripting bash script error with binary operator expected. Post 302593291 by bobby320 on Thursday 26th of January 2012 12:16:56 PM
Old 01-26-2012
bash script error with binary operator expected.
Hello,

I am not sure, where I am missing in the scirpt, I am trying to grep few users from /etc/passwd file and if exists, I added line to echo as user exist, if not create it.
Code:
#!/bin/bash
for vid in v707  z307 z496 z163 z292 ; do
if [ grep "$vid" /etc/passwd ]
then
        echo " $vid User exists "
else
        /usr/sbin/useradd -g admin -G app $vid
        echo changeme |passwd --stdin $vid
fi
done

error message
Code:
# ./adduser.sh
./adduser.sh: line 3: [: v707: binary operator expected
useradd: user v707 exists
Changing password for user v707.
passwd: all authentication tokens updated successfully.

 

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LEARN ABOUT OPENSOLARIS

pwconv

pwconv(1M)						  System Administration Commands						pwconv(1M)

NAME

       pwconv - installs and updates /etc/shadow with information from /etc/passwd

SYNOPSIS

       pwconv

DESCRIPTION

       The pwconv command creates and updates /etc/shadow with information from /etc/passwd.

       pwconv relies on a special value of 'x' in the password field of /etc/passwd. This value of 'x' indicates that the password for the user is
       already in /etc/shadow and should not be modified.

       If the /etc/shadow file does not exist, this command will create /etc/shadow with  information  from  /etc/passwd.  The	command  populates
       /etc/shadow  with  the  user's  login  name,  password,	and  password  aging  information. If password aging information does not exist in
       /etc/passwd for a given user, none will be added to  /etc/shadow. However, the last changed information will always be updated.

       If the  /etc/shadow file does exist, the following tasks will be performed:

	   Entries that are in the  /etc/passwd file and not in the /etc/shadow file will be added to the /etc/shadow file.

	   Entries that are in the  /etc/shadow file and not in the /etc/passwd file will be removed from /etc/shadow.

	   Password attributes (for example, password and aging information)  that exist in an /etc/passwd entry will be moved to the  correspond-
	   ing entry in  /etc/shadow.

       The pwconv command can only be used by the super-user.

FILES

       /etc/opasswd

       /etc/oshadow

       /etc/passwd

       /etc/shadow

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       passwd(1), passmgmt(1M), usermod(1M), passwd(4), attributes(5)

DIAGNOSTICS

       pwconv exits with one of the following values:

       0    SUCCESS.

       1    Permission denied.

       2    Invalid command syntax.

       3    Unexpected failure.  Conversion not done.

       4    Unexpected failure.  Password file(s) missing.

       5    Password file(s) busy.  Try again later.

       6    Bad entry in /etc/shadow file.

SunOS 5.11							    9 Mar 1993								pwconv(1M)
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