How to perform action on newest line in log using tail? Post: 302397333

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Perform action file name written to the pipe

Hello, I have a script that monitors files uploaded via ftp. After a successful upload, the file name is written to the pipe. There is another program that reads this pipe and allows automatically run any program or script ( say test.sh ) to process the newly uploaded file. cat test.sh...

2. Shell Programming and Scripting

perform a check based on number of @ in a log line

Hello, I am intending to perform a check based on number of "@" , present in a line in a log file . The idea is basically to perform a check on cc or bcc sender, based on an email log, which shows all the for email address. Say if the number of @ is more than 30, I will consider it as a mass...

3. Shell Programming and Scripting

Need help in searching 2 files for strings then perform an action

I have 2 files. I basically want to search both of them to see if the 1st column ($1) matches and if it matches then check to see if the 2nd column ($2) matches, then execute some code showing the results of the matches. File 1: AAA 123 misc blah BBB 456 CCC 789 File 2: ...

4. Shell Programming and Scripting

create dir in main &subdirs,perform action

Hi, I have one dir which has N subdirs.For ex: /home/user/Project_Src /home/user/Project_Src/Dir_A /home/user/Project_Src/Dir_A/subdir/sub_dir2 /home/user/Project_Src/Dir_A/subdir/sub_dir3 /home/user/Project_Src/Dir_B /home/user/Project_Src/Dir_B/Build i want to create a folder with...

5. Shell Programming and Scripting

shell script - search a file and perform some action

hi, i have a service on unix platform, it will generate traces in a particular folder i want to check using shell script if traces exist, then perform some action else continue to be in loop. filename is service.tra can you please help? thanks

6. Shell Programming and Scripting

How to access files from different directories and to perform search action in those files?

Hi, I want to access files from different directories (for example: /home/dir1/file1 , /home/dir2/file2 ...) Like this i have to access these files(file1, file2...).

7. Shell Programming and Scripting

Script to monitor for new file with ext .err and size > 0 bytes and perform a action or command

Hi All, I need to create a script to monitor a dir for new files with ext .err and also it should b a non empty files. and perform a action or command . We have a new ETL application that runs on a linux server, every times a etl fails it creates a .err file or updates the existing .err...

8. Shell Programming and Scripting

Perform an action if certain text exist in output (PERL)

Hello, I'm attempting to write a tool that checks an IP address for existing PTR records then if there are no PTR records does a ping to see if it response. Then if there is no response, it should print a message saying This is what I have so far. #!/usr/bin/perl $nxdomain =...

9. Shell Programming and Scripting

awk script to perform an action similar to vlookup between two csv files in UNIX

Hi, I am new to awk/unix and am trying to put together an awk script to perform an action similar to vlookup between the two csv files. Here are the contents of the two files: File 1: Date,ParentID,Number,Area,Volume,Dimensions 2014-01-01,ABC,247,83430.33,857.84,8110.76...

LEARN ABOUT DEBIAN

pfstmo_reinhard05

pfstmo_reinhard05(1)					      General Commands Manual					      pfstmo_reinhard05(1)

NAME

       pfstmo_reinhard05 - Photoreceptor based dynamic range reduction

SYNOPSIS

       pfstmo_reinhard05 [--brightness <val>] [--chromatic <val>] [--light <val>] [--verbose] [--help]

DESCRIPTION

       This command implements a tone mapping operator as described in:

       Dynamic	Range  Reduction Inspired by Photoreceptor Physiology.	E. Reinhard and K. Devlin.  In IEEE Transactions on Visualization and Com-
       puter Graphics, 2005.

OPTIONS

       --brightness <val>, -b <val>

	      Brightness correction (-8..8), parameter 'f' in paper.  Default value: 0.0

       --chromatic <val>, -c <val>

	      Amount of chromatic adaptation (von Kries model) (0..1), parameter 'c' in paper.	Default value: 0.0

       --light <val>, -l <val>

	      Amount of light adaptation adaptation (0..1), parameter 'l' in paper.  Default value: 1.0

       --verbose

	      Print additional information during program execution.

       --help

	      Print list of commandline options.

EXAMPLES

       pfsin memorial.hdr | pfstmo_reinhard04 -s 0.5 | pfsout memorial.png

	      Tone map image and save it in png format.

SEE ALSO

       pfsgamma(1) pfsin(1) pfsout(1) pfsview(1)

BUGS

       Please report bugs and comments on implementation to Grzegorz Krawczyk <krawczyk@mpi-sb.mpg.de>.

															      pfstmo_reinhard05(1)