Sponsored Content
Top Forums Shell Programming and Scripting How to tail -f real time file. Post 302566136 by ooilinlove on Wednesday 19th of October 2011 02:34:41 PM
Old 10-19-2011
Computer How to tail -f real time file.

How to tail -f real time file.

I want to tail file created last time.
The server is gen new file Always.


.

An example file.
Code:
-rw-r--r--  1 shinnie tiituck 251M Oct 18 05:39 20111018_00.log
-rw-r--r--  1 shinnie tiituck 251M Oct 18 11:18 20111018_01.log
-rw-r--r--  1 shinnie tiituck 250M Oct 18 16:56 20111018_02.log
-rw-r--r--  1 shinnie tiituck 251M Oct 18 22:34 20111018_03.log
-rw-r--r--  1 shinnie tiituck  64M Oct 18 23:59 20111018_04.log
-rw-r--r--  1 shinnie tiituck 251M Oct 19 05:38 20111019_00.log
-rw-r--r--  1 shinnie tiituck 251M Oct 19 11:17 20111019_01.log
-rw-r--r--  1 shinnie tiituck 251M Oct 19 16:48 20111019_02.log
-rw-r--r--  1 shinnie tiituck 251M Oct 19 22:25 20111019_03.log
-rw-r--r--  1 shinnie tiituck  70M Oct 19 23:59 20111019_04.log

I can use this command it.
Code:
tail -f 201110??_??.log |grep "same key word"

 

8 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Real time log file redirect

Hi all, i would like to write the shell script program, it can monitor the access_log "real time" when the access_log writing the line contain "abcdef" the program will be "COPY" this line into a file named "abcdef.txt", do the same thing if the contain "123456" "COPY" it into a file named... (3 Replies)
Discussion started by: eric_wong_ch
3 Replies

2. UNIX for Dummies Questions & Answers

Live/real-time text-file updates in terminal

I want to have a terminal open and have something like a "repeating cat" command running in it for a certain text file (in particular /var/log/system.log). So my terminal will scan or cat the text file every so often or whenever the text file system.log gets written to by the system, it will... (1 Reply)
Discussion started by: guitarscn
1 Replies

3. Shell Programming and Scripting

Shell script to convert epoch time to real time

Dear experts, I have an epoch time input file such as : - 1302451209564 1302483698948 1302485231072 1302490805383 1302519244700 1302492787481 1302505299145 1302506557022 1302532112140 1302501033105 1302511536485 1302512669550 I need the epoch time above to be converted into real... (4 Replies)
Discussion started by: aismann
4 Replies

4. Shell Programming and Scripting

How to tail real time file Generated every hour?

Hi Guys, I am developing a script to monitor log file Generated every hour. When creating a new file scripts not working. My Code . I want to monitor GatewayTransaction.yyyymmdd-hh.log while true; do newdate=$(date '+%Y%m%d') ; nowdate=$(date '+%Y%m%d-%H.log'); tail -f... (7 Replies)
Discussion started by: ooilinlove
7 Replies

5. Shell Programming and Scripting

Copy real file from a shortcut preserving the time stamps and directory tree

I have directory with shorcuts of files. for example: gara@yn\short\name1 ( shortcut to gara@yn\FOLDER\OPT\GARA\1.jpg ) gara@yn\short\name2 ( shortcut to gara@yn\FOLDER\OPT\GARA\11.jpg ) gara@yn\short\name3 ( shortcut to gara@yn\MARA\URSA\2.jpg ) gara@yn\short\name4 ( shortcut to... (6 Replies)
Discussion started by: gogok_bg
6 Replies

6. Shell Programming and Scripting

How do i use tail & grep in real time here??

Hi I have a file which is updated very frequently. Where in i wanted to use tail -f command in the script and wanted to grep for a particular word. But the issue is when i use tail -f filename|grep "word" ... it will show me blank until the word is found in the real time. if it shows... (13 Replies)
Discussion started by: nikhil jain
13 Replies

7. Shell Programming and Scripting

Archiving or removing few data from log file in real time

Hi, I have a log file that gets updated every second. Currently the size has grown to 20+ GB. I need to have a command/script, that will try to get the actual size of the file and will remove 50% of the data that are in the log file. I don't mind removing the data as the size has grown to huge... (8 Replies)
Discussion started by: Souvik Patra
8 Replies

8. UNIX for Advanced & Expert Users

How to read a fast written log file at Real time speed?

Hello All, I am building a real time parser for a log file in my application. The log file is continuously written at a very fast pace and gets rolled over every 10 minutes. I have measured the speed and observed that around 1000 lines are written to it every second, each line about 30-40... (7 Replies)
Discussion started by: cool.aquarian
7 Replies
nislog(1M)                                                System Administration Commands                                                nislog(1M)

NAME
nislog - display the contents of the NIS+ transaction log SYNOPSIS
/usr/sbin/nislog [-h num | -t num] [-v] [directory...] DESCRIPTION
nislog displays the contents of the NIS+ server transaction log on the standard output. This command can be used to track changes in the namespace. The /var/nis/trans.log file contains the transaction log maintained by the NIS+ server. When updates occur, they are logged to this file and then propagated to replicas as log transactions. When the log is checkpointed, updates that have been propagated to the replicas are removed. The nislog command can only be run on an NIS+ server by superuser. It displays the log entries for that server only. If directory is not specified, the entire log is searched. Otherwise, only those logs entries that correspond to the specified directories are displayed. OPTIONS
-h num Display num transactions from the ``head'' of the log. If the numeric parameter is 0, only the log header is displayed. -t num Display num transactions from the ``tail'' of the log. If the numeric parameter is 0, only the log header is displayed. -v Verbose mode. FILES
/var/nis/trans.log transaction log ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWnisu | +-----------------------------+-----------------------------+ SEE ALSO
nis+(1), rpc.nisd(1M), nisfiles(4), attributes(5) NOTES
NIS+ might not be supported in future releases of the SolarisTM Operating Environment. Tools to aid the migration from NIS+ to LDAP are available in the Solaris 9 operating environment. For more information, visit http://www.sun.com/directory/nisplus/transition.html. SunOS 5.10 12 Dec 2001 nislog(1M)
All times are GMT -4. The time now is 07:25 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy