10-05-2005
Trying to extract a field from /etc/passwd file..
Hello, was looking for some help on extracting a field from the passwd file.
So far I have made a copy of the passwd file and changed my rights so I can edit it. Every user's password is coded as an :x:, and my goal was to change that x to a blank, and then try to extract any user with that field is blank. So far I've tried grep '^[a-z]::' passwordfile. Which doesn't seem to work. Any ideas would be greatly appreciated.Thanks!
STEVE...
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi there,
I have more that 300 servers that I need to updated the comments field on /etc/passwd for users that have a blank comments fields. The users have accounts on different servers. I have created a list of these users on a text file called update.txt check below.
I need a script that... (11 Replies)
Discussion started by: Linux Duke
11 Replies
2. Shell Programming and Scripting
:confused: I have a tab delimited file that I need to extract data from and into a file with specific field specs. Each field has to be a certain amount of characters. So, the name field (from delimited file) might have only 15 characters but needs to be 25 (in new file) so I need to insert spaces... (5 Replies)
Discussion started by: criddel
5 Replies
3. UNIX for Dummies Questions & Answers
Hi,
Within a UNIX shell script I need to extract a value from an XML field. The field will contain different values but will always be 6 digits in length. E.g.:
<provider-id>999999</provider-id>
I've tried various ways but no luck. Any ideas how I might get the provider id (in this case... (2 Replies)
Discussion started by: pnclayt11
2 Replies
4. Shell Programming and Scripting
Hello Friends,
I have a file(InputFile.csv) with the following columns(the columns are pipe-delimited):
ColA|ColB|ColC|ColD|ColE|ColF
Now for this file, I have to get those records which fulfil the following condition:
If "ColB" is NOT NULL and "ColD" has values one of the following... (9 Replies)
Discussion started by: mehimadri
9 Replies
5. Shell Programming and Scripting
I have an input file with content like :
18:51:18 | 217863|Acct 0110855565|RC 17608| 16 Subs| 1596 UsgRecs| 2 Secs| 430 CPUms| prmis2:26213 <MoveUsage d
aemon needs to run on this account before it can be billed.>
23:03:30 | 896529|Acct 2063947620|RC 17608| 8 Subs| 148 UsgRecs| ... (9 Replies)
Discussion started by: Rajesh Putnala
9 Replies
6. Shell Programming and Scripting
I have a csv file that I need to extract some data from depending on another field after reading info from another text file.
The text file would say have 592560 in it.
The csv file may have some data like so
Field 1 Field2 Field3 Field4 Field5 Field6
20009756 1 ... (9 Replies)
Discussion started by: GroveTuckey
9 Replies
7. Shell Programming and Scripting
Hi,
In my file (which is "," delimited and text qualifier is "), I have to extract a particualr field.
file1:
1,"aa,b",4
expected is the 2nd field:
aa,b
I tried the basic cut -d "," -f 2 file 1, this gave me
aa alone instead aa,b.
A small hint ot help on this will be very... (5 Replies)
Discussion started by: machomaddy
5 Replies
8. UNIX for Dummies Questions & Answers
Hi!
i want to extract from /etc/passwd file,the user and user info fileds, to a another file.I've tried this:
cut -d ':' -f1 ':' -f6 < file
but cut can be used to extract olny one field and not two.
maybe with awk is this possible? (4 Replies)
Discussion started by: strawhatluffy
4 Replies
9. Solaris
Hi,
I have a Solaris 10 box where password aging is not functioning properly. Using the passwd command with the -l or -u options causes the lastchg field in the /etc/shadow file to be modified. Therefore, if a user's password is set to expire in 90 days and they are 1 day away, all they have... (4 Replies)
Discussion started by: cschar
4 Replies
10. UNIX for Beginners Questions & Answers
Hi All,
I have records in unix file like below. In this file, we have empty fields from 4th Column to 22nd Column. I have some 200000 records in a file. I want to extract records only which have empty fields from 4th field to 22nd filed. This file is comma separated file. what is the unix... (2 Replies)
Discussion started by: rakeshp
2 Replies
LEARN ABOUT XFREE86
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 corre-
sponding 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 5.10 9 Mar 1993 pwconv(1M)