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Search found 4482 results on 180 pages for 'mr bash'.

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• Find declaration and definition of function using bash

  - by Werner

  Hi, I am having a look af a big C++ project with more than 100 files. Given a certain function name, how can one find just using bash tools like find or grep, the declaration and the defintion of a function? Thanks

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• Calling Bash Commands From Ruby

  - by CodingWithoutComments

  How do I call console/bash commands from inside of a Ruby Program? Also, how do I get output from these commands back into my program?

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• How to create a CPU spike with a bash command

  - by User1

  I want to create a near 100% load on a Linux machine. It's quad core system and I want all cores going full speed. Ideally, the CPU load would last a designated amount of time and then stop. I'm hoping there's some trick in bash. I'm thinking some sort of infinite loop.

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• bash split text into limited character buckets (array member)

  - by soField

  i have text such as http://pastebin.com/H8zTbG54 we can say this text is set of rules splitted by "OR" at the end of lines i need to put set of lines(rules) into buckets (bash array members) but i have character limit for each array member which is 1024 so each array member should contain set of rules but character count for each array member can not exceed 1024 can anybody help me to do that solaris 10

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• Reading a subset of the lines in a text file, with bash

  - by Markus

  Hi! I have a file line a - this is line a line b - this is line b line c - this is line c line d - this is line d line e - this is line e The question is: How can I output the lines starting from "line b" till "line d" using bash commands? I mean, to obtain: "line b - this is line b line c - this is line c line d - this is line d"

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• List files that don't match a string in bash

  - by Javier

  Dear all, I'm a newbie in bash and I would like to pass as parameter to a python function all files in a directory that don't match a given pattern. sth. like: $myscripts/myprog.py $myfiles/!(bonjovi) The above example should retrieve all files that don't match to "bonjovi". Best wishes

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• Append or modify keys in conf files using sed/bash one-liner

  - by Jeff

  I often have to modify files such as sysctl.conf, and I'm familiar with using sed to replace existing values. Is there a way to append the new key/value pair to the file if sed wasn't able to replace it? For instance, using this example: modify config file using bash script sed -c -i "s/\($TARGET_KEY *= *\).*/\1$REPLACEMENT_VALUE/" $CONFIG_FILE How could I add the $TARGET_KEY = $REPLACEMENT_VALUE new line to $CONFIG_FILE using the same sed expression with slight changes? And on a related topic, how can I force creation of $CONFIG_FILE if it didn't exist?

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• Get color output in bash

  - by Werner

  Hi, when compiling some projects on linux terminal, I get usually a long output consisting of a lot of information. Usually this information is MONOCHROME. I wonder if bash can be modified somehow, so in all outputs or in some specific outputs (like from Makefile, etc) I can get different colors dependeing on, for instance: make[1]: Leaving directory or g++ -DHAVE_CONFIG_H -I. etc. Thanks

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• Bash Script to remove iframe virus

  I want a bash script to read all files recursively in a directory and remove some code (i.e a iframe virus) from it and save back the orignal file.

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• Float conditional in bash

  - by Werner

  Hi, in bash I need to compare two float numbers, one which I define in the script and the other read as paramter, for that I do: if [[ $aff -gt 0 ]] then a=b echo "xxx "$aff #echo $CX $CY $CZ $aff fi but I get the error: [[: -309.585300: syntax error: invalid arithmetic operator (error token is ".585300") What is wrong? Thanks

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• Regexp in bash for number between "quotes"

  - by MArio

  Input: hello world "22" bye world I need a regex that will work in bash that can get me the numbers between the quotes. The regex should match 22. Thanks!

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• Bash Read Array from External File

  - by jmituzas

  I have setup a Bash menu script that also requires user input. These inputs are wrote (appended to) a text file named var.txt like so: input[0]='192.0.0.1' input[1]='username' input[2]='example.com' input[3]='/home/newuser' Now what I am trying to accomplish is to be able to read from var.txt from a script kinda like this: useradd var.txt/${input[1]} now I know that wont work just using it for an example. Thanks in Advance, Joe

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• How does one output bold text in BASH?

  - by ratberryjam

  I'm writing a bash script that prints some text to the screen: echo "Some Text" Can I format the text? I would like to make it bold. Thank you.

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• bash shell date parsing, start with specifc date and loop through each day in month

  - by Joe Stein

  Hi, I need to create a bash shell script starting with a day and then loop through each subsequent day formatting that output as %Y_%m_d I figure i can submit a start day and then another param for the number of days. My issue/question is how to set a DATE (that is not now) and then add a day. so my input would be 2010_04_01 6 my output would be 2010_04_01 2010_04_02 2010_04_03 2010_04_04 2010_04_05 2010_04_06 Thanks

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• Bash command that prints a message on stderr

  - by Salman A

  I want to know if there is a built-in BASH command that prints some text on stderr, just like the echo command that prints text on stdout. I don't want to use temporary io-redirection. I use a built-in command to generate an error on stderr such as ls --asdf (ls: unrecognized option '--asdf') but I want something neater,

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• kill a process in bash

  - by wyatt

  How do I kill a process which is running in bash - for example, suppose I open a file: $ gedit file.txt is there any way within the command prompt to close it? This example is fairly trivial, since I could just close the window, but it seems to come up a bit, particularly when I mistype commands. Also is there any way to escape an executable which is running? This probably has the same solution, but I thought I'd ask anyway. Thanks

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• Is there a bash command to do this?

  - by user198729

  I want to know if new files/directories have been created in a specific directory A since a fixed date time. Is there a bash command to do this?

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• Removing spaces from columns of a CSV file in bash

  - by vikas ramnani

  I have a CSV file in which every column contains unnecessary spaces(or tabs) after the actual value. I want to create a new CSV file removing all the spaces using bash. For example One line in input CSV file value1 ;value2 ;value3 ;value4 same line in output csv file should be value1;value2;value3;value4 I tried using awk to trim each column but it didnt work. Can anyone please help me on this ? Thanks in advance :)

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• Bash completion symfony

  - by zimyand

  How can I make symfony completion in bash? Have ubuntu 9.10. It's hard to write own alias. Anyone know where can I find it? I find http://trac.symfony-project.org/wiki/BashCompletion - but it is for symfony 1.1. Is it compatible with 1.4 ?

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• Need help understanding a bash command

  - by user198729

  It's actually a combination of php and bash: exec(sprintf("%s > %s 2>&1 & echo $! >> %s", $cmd, $outputfile, $pidfile)); I don't understand what 2>&1 & echo $! is there for?

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• Convert numbers to enumeration of strings in bash

  - by User1

  Using bash, I have a list of strings that I want to use to replace an int. Here's an example: day1=Monday day2=Tuesday day3=Wednesday day4=Thursday day5=Friday day6=Saturday day7=Sunday If I have an int, $dow, to represent the day of the week, how do I print the actual string? I tried this: echo ${day`echo $dow`} but get error of "bad substitution". How do I make this work? Note: I can change the $day variables to a list or something.

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• Bash script if statements

  - by Jonhnny Weslley

  In Bash script, what is the difference between the following snippets? 1) Using single brackets: if [ "$1" = VALUE ] ; then # code fi 2) Using double brackets: if [[ "$1" = VALUE ]] ; then # code fi

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• Printf example in bash does not create a newline

  - by WolfHumble

  Working with printf in a bash script, adding no spaces after "\n" does not create a newline, whereas adding a space creates a newline, e. g.: No space after "\n" NewLine=`printf "\n"` echo -e "Firstline${NewLine}Lastline" Result: FirstlineLastline Space after "\n " NewLine=`printf "\n "` echo -e "Firstline${NewLine}Lastline" Result: Firstline Lastline Question: Why doesn't 1. create the following result: Firstline Lastline I know that this specific issue could have been worked around using other techniques, but I want to focus on why 1. does not work.

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• Including/Importing aliases and functions for both bash and zsh

  - by blueblank

  I have a directory of functions and aliases I'd like to include for both bash and zsh terminal invocations (So I don't need to put every function and alias into every separate script and to facilitate organization/tidying of .rc files) What I've tried so far hasn't worked. Just setting this out for further suggestions.

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• add string after each line bash

  - by Jason Volkoz

  How do I add a string after each line in a file using bash? Can it be done using the sed command, if so how?

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