Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Can I skip files when running rm command
Top Forums Shell Programming and Scripting Can I skip files when running rm command Post 302804585 by Don Cragun on Wednesday 8th of May 2013 11:47:27 PM
Old 05-09-2013
Unless you also want to delete files in subdirectories of your current directory, using find to get the list of files with names ending in .trc is grossly inefficient compared to ls *.trc. Unless you're on a system with a small value for ARG_MAX, you can skip using xargs as well using:
Code:
rm $(ls *.trc|grep -F -v -e dasd_91197.trc [-e dasd_other.trc]...)

The standards allow ARG_MAX to be as small as 4096, but on OS X it is 262144. You can find the value on your system using:
Code:
getconf ARG_MAX

If the value returned is likely to be smaller than the number of bytes needed to hold the names of the files you'll be removing plus any environment variables you're exporting, you'll need to keep the xargs element of the pipeline rather than using the above form of command substitution.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

running files consecutively with one command

i want to run few c object files one after another in one command. Can i write a acript for that. I'm using Sun Solaris. for example ./prog < input1 >output1 & ./prog <input2 >output2 & i want the first to finish before starting the nest one and run them in the back ground thanks.... (5 Replies)
Discussion started by: narom
5 Replies

2. Shell Programming and Scripting

Running a command on multiple selected files in nautilus script

I am trying to make a script to convert drg files to wav and so far i have this #!/bin/bash drg2sbg "$*" -o "$*".sbg sbagen -Wo "/home/nick/Desktop/I-Doser Wave Files/"$*"" "$*".sbg rm "$*".sbg cd "/home/nick/Desktop/I-Doser Wave Files" rename 's/\.drg$/\.wav/' *.drg exit the drg2sbg and... (2 Replies)
Discussion started by: Nickbowlingdude
2 Replies

3. Shell Programming and Scripting

Help required on grep command(Skip the first few lines from printing in the output)

Hi experts I want the proper argument to the grep command so that I need to skip the first few lines(say first 10 lines) and print all the remaining instances of the grep output. I tried to use grep -m 10 "search text" file*. But this gives the first 10 instances(lines) of the search string.... (7 Replies)
Discussion started by: ks_reddy
7 Replies

4. Shell Programming and Scripting

How to skip command if it is hanging while waiting for response

Hello, I have a script that contains the command "whois 1.2.3.4" Sometimes this command takes far too long to produce any output and as a result the rest of the script is not executed. Can anyone suggest a method so that if no output is produced after say 2 seconds the script skips that... (2 Replies)
Discussion started by: colinireland
2 Replies

5. Shell Programming and Scripting

Command running for all recursive files

hi, I have installed ACL(access control list) in my ubuntu box in order to know which all are the users having permissions to read and write the files; If u run the command like; $getfacl /root/ It will give following output: # file: root/ # owner: root # group: root user::rwx... (2 Replies)
Discussion started by: ajaypadvi
2 Replies

6. Shell Programming and Scripting

Running rename command on large files and make it faster

Hi All, I have some 80,000 files in a directory which I need to rename. Below is the command which I am currently running and it seems, it is taking fore ever to run this command. This command seems too slow. Is there any way to speed up the command. I have have GNU Parallel installed on my... (6 Replies)
Discussion started by: shoaibjameel123
6 Replies

7. Shell Programming and Scripting

How to skip copying some types of files in csh

Hi, I want to copy data from one directory to another in csh script. But in that i want to skip certain types of file. How can i do that. Currently i am copying all the files as mentioned below.. foreach d ( $TEST_PATH/*) cp -R $d $PWD end now i want to skip files... (3 Replies)
Discussion started by: vdhingra123
3 Replies

8. UNIX for Advanced & Expert Users

Skip files in use

Hi all, i'm trying to configure a script that will find and gzip the searched files, this is easy enough, find /var/log/myfolder/*.log -type f -mtime +1 -exec gzip {} \; cd /var/log/myfolder/ mv *gz myzipped_folder/ but what it would be very handy is to skip the files in use,because tomcat... (13 Replies)
Discussion started by: charli1
13 Replies

9. Shell Programming and Scripting

sed Command to skip

Friends, I have 1000 line like below #formate Test.server.e01=http://111.22.33.23/ #test_server_west Test.server.w01=http://112.123.123.22/ Test.server.w02=http://113.143.123.22/ Test.server.w03=http://112.183.123.22/ #test_server_east Test.server.e01=http://115.123.123.22/... (6 Replies)
Discussion started by: jothi basu
6 Replies

10. UNIX for Dummies Questions & Answers

Yum error :You could try using --skip-broken to work around the problem , You could try running:

Hi Guys, I got below error while trying to install yum localinstall libstdc++-4.4.7-3.el6.i686.rpm Loaded plugins: product-id, refresh-packagekit, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to... (1 Reply)
Discussion started by: heman96
1 Replies

LEARN ABOUT LINUX

zegrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
All times are GMT -4. The time now is 06:32 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy