CARVIEW

MOTORHOMES

Select Language

HTTP/2 302 server: nginx date: Tue, 05 Aug 2025 00:38:14 GMT content-type: text/plain; charset=utf-8 content-length: 0 x-archive-redirect-reason: found capture at 20100524032431 location: https://web.archive.org/web/20100524032431/https://answers.oreilly.com/tag/bash/ server-timing: captures_list;dur=0.614162, exclusion.robots;dur=0.023081, exclusion.robots.policy;dur=0.009964, esindex;dur=0.014607, cdx.remote;dur=11.463476, LoadShardBlock;dur=389.899173, PetaboxLoader3.datanode;dur=166.715349, PetaboxLoader3.resolve;dur=180.133233 x-app-server: wwwb-app212 x-ts: 302 x-tr: 430 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=0 set-cookie: wb-p-SERVER=wwwb-app212; path=/ x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() HTTP/2 200 server: nginx date: Tue, 05 Aug 2025 00:38:14 GMT content-type: text/html;charset=UTF-8 x-archive-orig-date: Mon, 24 May 2010 03:24:37 GMT x-archive-orig-server: Apache/2.2.11 (Unix) mod_ssl/2.2.11 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 PHP/5.2.8 x-archive-orig-x-powered-by: PHP/5.2.8 x-archive-orig-set-cookie: answers_session_id=deleted; expires=Sun, 24-May-2009 03:24:36 GMT; path=/; domain=.oreilly.com; httponly x-archive-orig-set-cookie: answers_session_id=deleted; expires=Sun, 24-May-2009 03:24:36 GMT; path=/; domain=.oreilly.com; httponly x-archive-orig-cache-control: ,no-cachemust-revalidate, max-age=0 x-archive-orig-expires: 0 x-archive-orig-pragma: no-cache x-archive-orig-connection: close x-archive-guessed-content-type: text/html x-archive-guessed-charset: utf-8 memento-datetime: Mon, 24 May 2010 03:24:31 GMT link: ; rel="original", ; rel="timemap"; type="application/link-format", ; rel="timegate", ; rel="first memento"; datetime="Sun, 08 Nov 2009 08:35:13 GMT", ; rel="prev memento"; datetime="Wed, 10 Mar 2010 08:18:26 GMT", ; rel="memento"; datetime="Mon, 24 May 2010 03:24:31 GMT", ; rel="next memento"; datetime="Sat, 01 Jan 2011 17:08:43 GMT", ; rel="last memento"; datetime="Mon, 04 Aug 2014 10:50:12 GMT" content-security-policy: default-src 'self' 'unsafe-eval' 'unsafe-inline' data: blob: archive.org web.archive.org web-static.archive.org wayback-api.archive.org athena.archive.org analytics.archive.org pragma.archivelab.org wwwb-events.archive.org x-archive-src: 52_15_20100524022247_crawl102-c/52_15_20100524032203_crawl100.arc.gz server-timing: captures_list;dur=0.492875, exclusion.robots;dur=0.018234, exclusion.robots.policy;dur=0.009125, esindex;dur=0.010080, cdx.remote;dur=8.384678, LoadShardBlock;dur=221.550686, PetaboxLoader3.datanode;dur=114.931632, PetaboxLoader3.resolve;dur=350.616153, load_resource;dur=290.814782 x-app-server: wwwb-app212 x-ts: 200 x-tr: 654 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=0 x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() content-encoding: gzip bash Questions and Answers - O'Reilly Answers

Jump to content

O'Reilly Answers

Clever Hacks. Creative Ideas. Innovative Solutions.

Share your knowledge

Welcome

Help

O'Reilly Answers is a community site for sharing knowledge, asking questions, and providing answers that brings together our customers, authors, editors, conference speakers, and Foo (Friends of O'Reilly). More »

Send us feedback
Feed icon

O'Reilly Answers Feed
Twitter icon

@oreillyanswers

Topics: bash

bash Feed bash Open Questions Feed bash Email Open Questions via Email

bash Shell Options

By adfm : 18 May 2010 - 12:50 PM
Is bash not working the way you want it to? Change the way it behaves with this handy list of options from Arnold Robbins' bash Pocket Reference. Bash provides a number of shell options, settings...
Tags:
- bash
2Votes

0Comments
Built-in bash Shell Variables

By adfm : 14 May 2010 - 04:05 PM
bash has long been the go-to shell for quick one-off scripts. If you're in the midst of writing such a script and could use a handy reference of the built-in shell variables, than this excerpt from ...
Tags:
0Votes

0Comments
File Descriptor redirection and duplication

Asked by ahmad.zuhd : 02 March 2010 - 11:26 PM

Answered by KBenson : Mar 17 2010 03:23 PM
Part I It may help to think of the file descriptors as variables that contain a value, and the value determines where the output goes (STDOUT, STDERR, a file, etc). When redirecting 2 (STDERR) to 1 ... full answer >
Tags:
1Answer

0Comments
Keep SSH Sessions Active, Or Reconnect?

By lazyweb : 04 February 2010 - 04:43 PM
Over on Slashdot user borjonx writes "Is it safer to log out of an SSH session, and re-establish it later, or just keep the connection open? Like many of you, I use OpenSSH to connect to my Slack...
Tags:
0Votes

0Comments
How to find the top domains currently being processed by your postfix mail queue.

By Jim-J : 01 February 2010 - 11:07 AM
If you want to get a glimpse of what's grinding away in your postfix MTA's mail queue, this simple bash one liner will give you the top 15 domains that it's working with: $ mailq | g...
Tags:
- postfix
- mta
- bash
- mailq
- awk
- grep
- sort
- uniq
- head
- cut
1Vote

0Comments
How to find the number of requests being processed in a postfix mail queue

By Jim-J : 01 February 2010 - 10:44 AM
If you have a very active postfix MTA, it can take a while for the number of requests that it is currently processing to scroll past the screen. If you just want a quick answer of how many messages i...
Tags:
1Vote

0Comments
How to Clean Up after a Tarball or Zipball Explodes

By mike-loukides : 29 January 2010 - 05:53 PM
Don't you hate it when someone sends you a big fat tar or zip file full of lots of files, and didn't bother to put everything in one folder? If you extract it unawares, you get dozens--maybe ...
Tags:
- zip
- tar
- bash
- shell
- jar
0Votes

0Comments
set -o vi : invalid option

Asked by augustpasimio : 09 December 2009 - 06:58 AM

Answered by sboss : Dec 09 2009 08:10 AM
on linux I put the following in my .bash_profile: set -o vi on MacOSX Snow Leopard I put the following in the my .bash_profile: set -o vi and on both platforms it works for me. Also it works for me... full answer >
Tags:
- bash
- vi
1Answer

0Comments
Domain-Specific Languages--in bash?

By mike-loukides : 10 November 2009 - 12:38 PM
That's perhaps overstating it, but you can use bash shell functions to create things that are very similar to domain-specific languages. Here's a stripped-down extract from one of my scripts,...
Tags:
0Votes

0Comments
Just how does aslmanager work exactly?

Asked by ridogi : 05 November 2009 - 08:30 PM

Answered by ridogi : Nov 30 2009 12:53 PM
I figured out why aslmanager is clearing my logs early: I backed up the default aslmanager.plist in the LaunchDaemons directory, and while I thought I disabled that original file, I did not. So effect... full answer >
Tags:
1Answer

11Comments