Except that the solution would have problems taking care of files with white spaces..., if any. Its bad practice to use ls and pipe to while loop (extra overheads) to loop over files like that. Use shell expansion instead. eg
Alternatively, if you have Ruby(1.9.1+), here's a one-liner
Please Help me
I have a Bulk file containing Hex data
I want to read specific lines from that bulk file by ID number.
example
ID DATE Time data
14 2005/09/28 07:40:08.546 0 5 078B1C 01916C 0FE59C 004B54 0A9670 0D04ED 05B6B4 0E2223... (10 Replies)
Hello
Can someone guide me how to extract bulk emails into a single flat file ?
We receive mails (approx 1K daily ).
I want the contents of the emails for 'current date' to be dumped into one single text file.
Please help. (1 Reply)
Hello,
I am trying to rename bulk files however i dont think the rename/mv command is giong to help me here. here is a quick snapshot of the files I need to rename:
75008040 -rw-r----- 1 root root 8716 May 8 05:00 10.9.144.2
75008041 -rw-r----- 1 root root 11700 May 8 05:00 10.9.160.2... (10 Replies)
Hello, this is probably a simple request but I've been toying with it for a while.
I have a large list of devices and commands that were run with a script, now I have lines such as:
a-router-hostname-C#show ver
I want to print everything up to (and excluding) the # and everything after it... (3 Replies)
We have a server-client communication in our application. Sockets are used for the communication. We are using AF_INET sockets with SOCK_STREAM(TCP/IP). Also these sockets are in Non Blocking mode (O_NONBLOCK). Application is written in C++ on UNIX.
In our system the Server will write to a... (4 Replies)
unix : sun
shell : bash
i need to select multiple rows with this format :
<special format>
10 lines
/<special format>
from log file that have lots of info
i thought of getting the number of the first line using
grep -n "special format" file | cut -d: -f1
then pass it to shell... (2 Replies)
I am connecting to another server through sftp. I am running one batch script to pull file from another server. sometimes i am receiving partial files. I am using below commands in batch script.
ls -ltr new.txt
mget new.txt
bye
The file is of 1 MB only.In most of the cases , i received... (6 Replies)
I want to change the name of several files within a folders (directory) and subdirectories in OS X. If I only wanted to change file names within the directory I guess I would use:
rm photo*.jpg picture*.jpg
I have lots of subdirectories, is there a way of getting the file changes for all... (5 Replies)
Hi all.
Total beginner to Zenity.
I've plagiarised bits of code from all over to try to get something to work.
The story:
I have a directory with maybe 10-15 files in it, each about 200MB.
i send these files one at a time to a drive about 15 miles away. The Synology sync can only handle... (0 Replies)
In the awk below I am trying to cp and paste each matching line in f2 to $3 in f1 if $2 of f1 is in the line in f2 somewhere. There will always be a match (usually more then 1) and my actual data is much larger (several hundreds of lines) in both f1 and f2. When the line in f2 is pasted to $3 in... (4 Replies)
Discussion started by: cmccabe
4 Replies
LEARN ABOUT OSX
memberd
dsmemberutil(1) BSD General Commands Manual dsmemberutil(1)NAME
dsmemberutil -- various operations for the membership APIs, including state dump, check memberships, UUIDs, etc.
SYNOPSIS
dsmemberutil [-v] [-h] command [options]
DESCRIPTION
dsmemberutil is a program that implements the membership API calls in a command line utility.
FLAGS
A list of flags and their descriptions:
-h Lists the options for calling dsmemberutil
-v Causes dsmemberutil to operate in verbose mode.
COMMANDS
The action of each command is described below:
getuuid -ugUGsS value
Takes any of the options and returns the associated UUID.
getid -UGsSX value
Takes any of the options and returns the associated UID or GID depending on option provided.
getsid -ugUGX value
Takes any of the options and returns the associated SID.
checkmembership -uUxs param -gGXS param
Returns if a user or group with the associated option is a member of the group.
flushcache Flushes the current membership cache.
Legacy commands such as dumpstate and statistics are gone. See odutil(1) for show cache and statistics operations.
A list of options available. In some cases -xX and -sS can be used synonymously due to nature of the value.
-u uid Using user with UID
-U name Using user with name
-s sid Using user with SID
-x uuid Using user with UUID
-g gid Using group with GID
-G name Using group with name
-S sid Using group with SID
-X uuid Using group with UUID
EXAMPLES
Get a user's uuid:
% dsmemberutil getuuid -u 501
EEA4F2F6-B268-49E7-9C6F-E3C4A37DA4FD
Get a group's uuid
% dsmemberutil getuuid -g 0
ABCDEFAB-CDEF-ABCD-EFAB-CDEF00000000
Get a user's or group's id from a uuid
% dsmemberutil getid -X ABCDEFAB-CDEF-ABCD-EFAB-CDEF0000000C
gid: 12
Check a user's membership in a group (using UID and GID)
% dsmemberutil checkmembership -u 501 -g 0
user is not a member of the group
Check a user's membership in a group (using names)
% dsmemberutil checkmembership -U root -G wheel
user is a member of the group
SEE ALSO odutil(1), dseditgroup(1), dscacheutil(1)Darwin Jan 1, 2007 Darwin