How to search for multiple strings in a file

Posted by topwoman on Stack Overflow See other posts from Stack Overflow or by topwoman
Published on 2010-04-06T11:36:24Z Indexed on 2010/04/06 12:13 UTC
Read the original article Hit count: 161

Filed under:

bash

|

search

|

strings

|

file

I want to search for the occurrence of string1 OR string2 OR string3, etc. in a file, and print only those lines (to stdout or a file, either one). How can I easily do this in bash?

© Stack Overflow or respective owner

Related posts about bash

launching a program from bash causes bash to go to new prompt

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
When I run a program from the console, e.g. me@box:~$ firefox I expect the console to log error messages (I think this is std out or std err?) and other items from the program, firefox in this case. But today I notice that bash just opens the program and goes to a new prompt, e.g. me@box:~$… >>> More
How to debug a .bash_profile

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I was updating my .bash_profile, and unfortunetly I made a few updates and now I am getting: env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory -bash: tar: command… >>> More
Every command fails with "command not found" after changing .bash_profile?

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I was updating my .bash_profile, and unfortunetly I made a few updates and now I am getting: env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory -bash: tar: command… >>> More
Is there any fundamental difference between piping in mac and linux?

as seen on Super User - Search for 'Super User'
ps -e | grep bash sample output from a linux machine: 1128 pts/14 00:00:00 bash 7491 pts/7 00:00:00 bash 12651 pts/14 00:00:00 bash 16145 pts/2 00:00:00 bash sample output from a mac machine: 58352 ttys000 0:00.09 login -pfl username /bin/bash -c exec -la bash /bin/bash 58353 ttys000… >>> More
why is $0 set to -bash?

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
First login process name seems to be set to "-bash", but if I subshell then it becomes "bash". for example: root@nowere:~# echo $0 -bash root@nowere:~# bash root@nowere:~# echo $0 bash -bash is causing some scripts to fail, such as . /usr/share/debconf/confmodule exec /usr/share/debconf/frontend… >>> More

Related posts about search

"Error in the Site Data Web Service." when performing crawl

as seen on Server Fault - Search for 'Server Fault'
Installed SharePoint Services v3 (SP2, october 2009 cumulative updates, Language Pack), attached to a content database I had previously (all works). Installed Search server 2008 Express (with language pack) on top of WSS and crawl does not work. However it works for newly created web application +… >>> More
Search Alternative Search Engines from within Bing’s Search Page

as seen on How to geek - Search for 'How to geek'
So you love using Bing Search but may still be curious to see what another search engine will provide if used. Now you can search using another search engine from within the Bing Search page and enjoy numbered results using two simple user scripts. Note: These user scripts may also be added to other… >>> More
CONVERT(int, (datepart(month, @search)), (datepart(day, @search)), DateAdd(year, Years.Year - (datepart(year, @search)))

as seen on Stack Overflow - Search for 'Stack Overflow'
In the query the top part is getting all the years that will run in the stored procedure. Works fine But at first i just wanted to run the queries for yesterdays date for all the years, but now i realized i want the user to select a date that will be in a parameter @search Booked <= CONVERT(int… >>> More
Am?lioration du Search MOSS: synonyme et Best Bet - La gestion des synonymes dans MOSS Search

as seen on ASP-PHP.net - Search for 'ASP-PHP.net'
Le moteur de recherche de MOSS permet la configuration d'une liste de synonymes. Nous verrons donc dans cet article comment effectuer cette tache et ce que cela peut apporter ? vos utilisateurs. Nous verrons aussi comment automatiser un peu plus cette configuration par l'utilisation de code ou d'outils… >>> More
Utiliser un MOSS 2007 Search avec SPS 2003 - Comment utiliser un MOSS Search avec SPS Portail

as seen on ASP-PHP.net - Search for 'ASP-PHP.net'
Microsoft Office SharePoint Server 2007 (MOSS) fournit de nombreuses fonctionnalit?s qui ne sont pas disponibles sous SharePoint Portal Server 2003 (SPS). C'est particuli?rement vrai pour le moteur de recherche. Ce moteur de recherche peut pourtant ?tre utilis? sans attendre une ?volution du site… >>> More