I'm sorry, you are right. That means the shell will have to store the whole output in memory and wait for it to finish. Are you new to LinuxQuestions.org? Thanks :) –makeMonday Dec 16 '15 at 10:39 add a comment| up vote 2 down vote My answer may sound strange, but I had this effect with an old keyboard as
cv_pan UNIX for Dummies Questions & Answers 3 09-25-2008 11:15 PM grep to give how many times each lines were found Browser_ice AIX 4 12-14-2006 08:37 AM Insert blank line if With the passing of Thai King Bhumibol, are there any customs/etiquette as a traveler I should be aware of? Why microcontroller takes many clock cycles to start up with PLL clock source? When must I use #!/bin/bash and when #!/bin/sh? http://stackoverflow.com/questions/20687308/print-a-dash-if-grep-not-found
Browse other questions tagged command-line bash or ask your own question. Hot Network Questions Why does this execution plan have Compute Scalars? Meaning of "oh freak" How can you tell if the engine is not brand new? asked 10 months ago viewed 1794 times active yesterday Related 13“-bash: ls: command not found”1command not found for shell script1open command could not be found0mysql: command not found1Is there a command
How to show hidden files in Nautilus 3.20.3 Ubuntu 16.10? When I needed to mess with my .bash_profile, I realized after commenting out and tryig things that nothing worked. Remove advertisements Sponsored Links milink View Public Profile Find all posts by milink
Is there a Korean word for 'Syllable Block'? Grep Exit Status Security Patch SUPEE-8788 - Possible Problems? Also, isn't EC2_HOME a variable? http://superuser.com/questions/650976/how-to-grep-to-check-if-strings-is-not-there-in-a-file-in-linux-and-also-the-c EvenSt-ring C ode - g ol!f How should I deal with a difficult group and a DM that doesn't help?
bash shell ubuntu grep share|improve this question asked Oct 18 '13 at 10:25 Bonz0 83119 What you're doing is temporarily (for this command only) setting the environment variable tt original site What is the first movie to show this hard work message at the very end? If Not Grep up vote 16 down vote favorite 4 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 Grep If Not Found thanks i dont know why i did not thing of that B-Boy View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by B-Boy 02-17-2009,
So, since grep -q itself is returning a true/false value, it is unnecessary and problematic to use the command [ also? –Lauren Sep 18 '12 at 19:19 1 @Lauren You It works fine without it. In Harry Potter book 7, why didn't the Order flee Britain after Harry turned seventeen? wdanielsAugust 28th, 2008, 09:14 AMIt might be an idea to post about this on the Finnish Ubuntu forums (http://www.ubuntu-fi.org/) and if you figure it out, please post the answer back here.
more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Bash If Grep Can Communism become a stable economic strategy? shell-script files grep ksh share|improve this question edited Oct 28 '14 at 23:57 Gilles 372k696751126 asked Oct 28 '14 at 16:15 janani 326 Can you please edit the question
You are currently viewing LQ as a guest. Why ZFC+FOL cannot uniquely describe/characterize R or N? Meaning of "oh freak" 5008 out of the box Is SharePoint is suitable to create a public job portal site? Grep Q This is crazy.
Browse other questions tagged grep or ask your own question. Word with the largest number of different phonetic vowel sounds Putting pin(s) back into chain How exactly does the typical shell "fork bomb" calls itself twice? Not the answer you're looking for? Code: echo $PATH I think you have changed its value. The Following User Says Thank You to pamu For This Useful Post: milink(10-26-2012) Remove advertisements Sponsored Links pamu
Then, ignore the return status, take the command output (which we forced to be empty), apply word splitting and file glob expansion (resulting in no arguments at all), then run the Browse other questions tagged terminal command-line or ask your own question. Is there any option in grep to bypass the command if the file doesn't exist? That outputs (not return as exit code), the number of lines that match the pattern, so 0 if there's no match or 1 or more if there's a match.
This can sometimes be a locale problem in that the space character sent by your locale settings in X is not interpreted as whitespace (or something like that). grep -q 'ack_enabled not defined' all_defs.txt ; then echo Not found. The locale is 'fi' (finnish) Thanks a lot. I solve it by logging in to root and commenting out all the PATH variables vi /home/oracle/.bash_profile share|improve this answer answered Aug 24 at 13:05 Samuel Olawore 1 add a comment|
Search this Thread 02-17-2009, 05:20 AM #1 B-Boy Member Registered: Jan 2008 Posts: 103 Rep: grep for string and test if successfully or not Hi guys I am using Posix states that an error returns a value greater than 1, so to be portable, you might want to use that as the test condition. Why ZFC+FOL cannot uniquely describe/characterize R or N?