Sponsored Content
Full Discussion: parallel processing
Top Forums Shell Programming and Scripting parallel processing Post 302350552 by mad_man12 on Friday 4th of September 2009 07:35:37 AM
Old 09-04-2009
parallel processing

hi i am preparing a set of batches for a set of files sequentially
There is a folder /xyz where all the files reside
now all the files starting with
01 - will be appended for one below other to form a batch batch01
then all the files starting with
02 - will be appended for one below other to form a batch batch02
then
03 - will be appended for one below other to form a batch batch03
then
04 - will be appended for one below other to form a batch batch04
..

and so on, now this is taking a lot of time while processing.
How can i improve the performance say include some type of parallel processing
to minimize the time.
Please Advice
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

How to do parallel processing??

Hi All, I am working on solaris 8 sparc machine with 2 cpu. I am trying to run my application which generates files. I run multiple instance of the application, but the results don't seem to show as if it were runing parallely. When i run the application once it takes 12 secs to generate a... (1 Reply)
Discussion started by: zing
1 Replies

2. Shell Programming and Scripting

parallel processing

Hi I want to run two shell script files parallely. These two scripts are interacting with the database. can any body help on this Pls Regards Audippa naidu.M (3 Replies)
Discussion started by: audippa
3 Replies

3. Shell Programming and Scripting

Need Help With Parallel Processing

Hi I am looking for some kind of feature in unix that will help me write a script that can invoke multiple processes in parallel. And make sure that the multiple parallel processes complete successfully before I proceed to the next step. Someone suggested something called timespid or... (6 Replies)
Discussion started by: imnewtothis23
6 Replies

4. Shell Programming and Scripting

How to make parallel processing rather than serial processing ??

Hello everybody, I have a little problem with one of my program. I made a plugin for collectd (a stats collector for my servers) but I have a problem to make it run in parallel. My program gathers stats from logs, so it needs to run in background waiting for any new lines added in the log... (0 Replies)
Discussion started by: Samb95
0 Replies

5. Shell Programming and Scripting

script parallel processing

How to write script which run multiple scripts parllely, i have script called A,which has to execute B,C,D,E scripts parllely.. (2 Replies)
Discussion started by: machpee
2 Replies

6. Shell Programming and Scripting

PARALLEL PROCESSING IN PERL

HI All, I have scenerio where I need to call sub modules through for loop for (i=0; i<30 ;i++) { .. .. .. subroutine 1; subroutine 2; } I want this to be run in parallel process1 { ... ... subroutine 1; subroutine 2; (0 Replies)
Discussion started by: gvk25
0 Replies

7. Shell Programming and Scripting

Parallel processing in bash?

Hi Say I am interested in processing a big data set over shell, and each process individually takes a long time, but many such processes can be pipe-lined, is there a way to do this automatically or efficiently in shell? For example consider pinging a list addresses upto 5 times each. Of... (5 Replies)
Discussion started by: jamie_123
5 Replies

8. Shell Programming and Scripting

Implement parallel processing

Unix OS : Linux 2.6x Shell type : Korn Hi all , This is a requirement to incorporate parallel processing of a Unix code . I have two pieces of unix code , one of which will act as a parent process . This script will invoke multiple ( say four ) instances of the second script at one go... (13 Replies)
Discussion started by: kumarjt
13 Replies

9. Shell Programming and Scripting

Parallel processing - continued

Hi, I am taking up the cue from where I was left in my earlier post ( link given below ) https://www.unix.com/shell-programming-scripting/231107-implement-parallel-processing.html I actually wanted to know the significance of using the Unix "wait" , which returns the control from background to... (3 Replies)
Discussion started by: kumarjt
3 Replies

10. Shell Programming and Scripting

Parallel processing

I have 10,000 + files, each of which I need to zip using bzip2. Is ti possible to use bash to create 8 parallel streams sending a new file to be processed from the list when one of the others has finished? (1 Reply)
Discussion started by: garethsays
1 Replies
folder(1)						      General Commands Manual							 folder(1)

NAME
folder - set folder or display current folder name (only available within the message handling system, mh) SYNOPSIS
folder [+folder] [msg] [options] OPTIONS
Displays information on all the folders in your Mail directory. The folders are listed alphabetically, with a line of information given for each folder. This is identical to the display produced by the folders command. See folders(1). Lists only the name of the current folder, with no additional information. This is faster because the folders need not be read. Displays a header produced by the system, in addition to the information about the current file. This header is identical to the one that appears at the top of the listing produced by folder -all or by folders. The header can be suppressed by using the -noheader option. Prints a list of the valid options to this com- mand. Lists the contents of the folder-stack. No +folder argument is allowed with this option. The contents of the folder-stack are listed automatically when the -pop or -push option is used. This corresponds to the dirs operation in the C-shell. Re-numbers messages in the folder. Messages are re-numbered sequentially, and any gaps in the numbering are removed. The default operation is -nopack, which does not change the numbering in the folder. Discards the top of the folder-stack, after setting the current folder to that value. No +folder argu- ment is allowed with this option. This corresponds to the popd operation in the C-shell; see csh(1). The -push and -pop options are mutu- ally exclusive: the last occurrence of either one overrides any previous occurrence of the other. Pushes the current folder onto the folder-stack, and makes the +folder argument into the current folder. If +folder is not given, the current folder and the top of the folder-stack are exchanged. This corresponds to the pushd operation in the C-shell; see csh(1). The -push switch and the -pop switch are mutually exclusive: the last occurrence of either one overrides any previous occurrence of the other. Lists each folder recursively. Information on the current folder is displayed, followed by information on any sub-folders which it contains. Displays only the total num- ber of messages and folders in your Mail directory. This option does not print any information about the current folder. It can be sup- pressed using the -nototal option. The defaults for folder are: +folder defaults to the current folder msg defaults to none -nofast -noheader -nototal -nopack -norecurse DESCRIPTION
The folder command lets you set the current folder, or display information about it. It can also be used to manage the folder stack. If you use the folder command without a +folder argument, information about the current folder is displayed on the screen. If you use folder with the +folder argument, the named folder is set to be the current folder. Information about the named folder is also displayed on the screen. If you use folder with the msg argument, it will set the specified message to be current. Information on the current folder is also dis- played. You can use both the +folder and msg arguments together in one command. If you specify a +folder that does not exist, you are asked whether you want to create it. This is a good way to create an empty folder for later use. The display is identical whether you set the folder or display the contents of the current folder. The following example shows the type of display that is produced. The display lists the current folder, the number of messages in it, the range of the messages (low-high), and the current message within the folder. It also flags extra files if they exist. inbox+ has 16 messages ( 3- 22); cur= 15. RESTRICTIONS
Do not create folder names that are made up of only digits. PROFILE COMPONENTS
Current-Folder: To find the default current folder Folder-Protect: To set mode when creating a new folder Folder-Stack: To determine the folder stack lsproc: Program to list the contents of a folder EXAMPLES
The following example shows how folder can be used to change the current folder to +test, and display information on that folder. The plus sign (+) next to test indicates that it is now the current folder. % folder +test test+ has 2 messages ( 1- 2); cur= 2. The next example shows the display produced by using the -all option to folder: Folder # of messages ( range ); cur msg (other files) V2.3 has 3 messages ( 1- 3). adrian has 20 messages ( 1- 20); cur= 2. brian has 16 messages ( 1- 16). chris has 12 messages ( 1- 12). copylog has 242 messages ( 1- 242); cur= 225. inbox+ has 73 messages ( 1- 127); cur= 127. int has 4 messages ( 1- 4); cur= 2 (others). jack has 17 messages ( 1- 17); cur= 17. TOTAL= 387 messages in 8 folders. This display is identical to that produced by the folders command. See folders(1) for an explanation of this display. The next example shows how to use folder to create an empty folder: % folder +test Create folder "$HOME/Mail/test"? y test+ has no messages. You can also use folder to create an empty sub-folder within an existing folder. The following example shows how you can create a sub-folder in the folder +test: % folder +test/testtwo Create folder "$HOME/Mail/test/testwo"? y test/testtwo+ has no messages. See refile(1) for more details of sub-folders. FILES
The user profile. SEE ALSO
csh(1), refile(1), mhpath(1) folder(1)
All times are GMT -4. The time now is 01:37 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy