![]() When you run this command, you'll get back a list of every line in the document containing the word bee or the word Vanessa. The syntax looks like this: grep -E 'bee|Vanessa' ~ /work/beescript.txt Let's say, for example, you wanted to find every occurrence of the words bee and Vanessa in a text document containing the script from the 2007 Bee movie. ![]() ![]() string and pattern matching utility that displays matching lines from multiple files. This syntax, using the ~ and /, followed by the location of the file in the home folder, is what you'll use to show the grep command which files to search. grep command followed by strings and the name of the file or its path. For example, if you wanted to enter the path for a text document located in a folder called work inside the home folder, you'd reference it using this format: ~ /work/textdocument.txt Dont hesitate to utilize the manual pages: man grep. Or, you put them in a file patterns.txt and use that as input. You'll also need to be familiar with how to reference files by path using the terminal. In order to grep for multiple patterns, you either specify them on the command-line with. First, you'll need to be able to bring up a terminal-on most systems, you do this with the key combination Ctrl + Alt + T, or via the applications menu. Searching Multiple Strings in grepīefore getting started, you'll need to make sure you are familiar with a few Linux basics. Mcrypt.This article focuses on how to search multiple strings using grep and will show you a few similar tips and tricks for using grep in general. Registered Stream Filters => zlib.*, string.rot13, string.toupper, string.tolower, string.strip_tags, convert.*, consumed, dechunk, convert.iconv.*, mcrypt.*, mdecrypt.* The output will look like this: /etc/php/7.2/cli/conf.d/mcrypt.ini Sudo bash -c "echo extension=/usr/lib/php/20170718/mcrypt.so > /etc/php/7.2/apache2/conf.d/mcrypt.ini" ![]() sudo bash -c "echo extension=/usr/lib/php/20170718/mcrypt.so > /etc/php/7.2/cli/conf.d/mcrypt.ini" The -B y means 'also show the y lines B efore the found one. The -A x means 'also show the x lines A fter the found one. Grab installing path and add to cli and apache2 php.ini configuration. I did it as follows: grep -A 1 '.Status.True' test.txt grep -B 1 'Type.Master'. You should add "extension=mcrypt.so" to php.ini Install ok: channel:///mcrypt-1.0.1Ĭonfiguration option "php_ini" is not set to php.ini location Installing '/usr/lib/php/20170718/mcrypt.so' -> this is our path to mcrypt extension lib When you are shown the prompt libmcrypt prefix? :Īfter success installing mcrypt trought pecl, you should add mcrypt.so extension to php.ini. I wish the combine the above into one command, but when searching on the internet I can only find references on how to use multiple strings with grep, when grep is used with a file, and not a command. For example: last grep -i abc last grep -i uyx. Mcrypt PECL extenstion sudo apt-get -y install gcc make autoconf libc-dev pkg-config With multiple strings, after using grep on another command. I don't know why open or close or switch to other pages will cause the connection problem of the google colab page, but each time I try to bothered my browser, like do some search job, my connection to colab will soon break down. When you run a program on the colab page with a browser(I use Chrome), just remember that don't do any operation to your browser once your program starts running, like: switch to other webpages, open or close another webpage, and so on, just just leave it alone there and waiting for your program finish running, you can switch to another software, like pycharm to keep writing your codes but not switch to another webpage. I've already test it many times and it works well. I have a solution(or a kind of trick) for that annoying disconnection without scripts, especially when your program must read data from your google drive, like training a deep learning network model, where using scripts to do reconnect operation is of no use because once you disconnect with your colab, the program is just dead, you should manually connect to your google drive again to make your model able to read dataset again, but the scripts will not do that thing. The above answers with the help of some scripts maybe work well. How to prevent Google Colab from disconnecting?
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