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- terminal
- character-sequence, but will perform some action. You can print the codes with a simple ''echo'' comman... **for the currently detected terminal type** and you give standardized requests to an API or (from the... g ;-) If I couldn't find a matching ANSI escape, you'll see a :?: as the code. Feel free to mail me o... or octal 033) This isn't part of the list, but **you should avoid using the ANSI codes directly - use
- netdata
- -config curl jq nodejs </panel> You can install the latest release of netdata, using ... Mac OS X Linux one liner For all Linux systems, you can use this one liner to install the git version
- ffmpeg
- nicely centered inside a 854×480 (480p) video. If you need a 1:1 video, just exclude the pad part: <co... es Static spectrogram====== ====== Sometimes you want to just create a static image. ## create a ... 0p SPECTROGRAM.png </code> ## add png to audio - you need to know the length of audio <code csharp [en... 0p SPECTROGRAM.png </code> ## add png to audio - you need to know the length of audio <code csharp [en
- truecolor @terminal
- ors in the terminal while "true color" means that you can display 16 million different colors at the sa... it True Color capability under the name of "RGB". You need to use the "setaf" and "setab" commands to s... r differences: a) RGB axes are not orthogonal, so you cannot use sqrt(R^2+G^2+B^2) formula b) for colo
- scripting @terminal
- some// code layout and style. No matter which one you use, use it throughout your code (at least don't ... yout with your mood. Some good code layout helps you to read your own code after a while. And of cours... cuments]]. ==== Breaking up lines ==== Whenever you need to break lines of long code, you should follow one of these two rules: __**Indention using comma
- obselete @terminal
- names of files in the current working directory. You can't get globbing without word-splitting, or vic... -f''). [[http://mywiki.wooledge.org/BashFAQ/050 | You can't store a command or character-delimited list... ing"; it's not, it's just a way to find the place you've //forgotten// to put error handling.\\ Think o... Perl or ''throws'' in C++: tough love that makes you write better code. Many guides recommend avoiding
- color @terminal
- ors in the terminal while "true color" means that you can display 16 million different colors at the sa... it True Color capability under the name of "RGB". You need to use the "setaf" and "setab" commands to s... r differences: a) RGB axes are not orthogonal, so you cannot use sqrt(R^2+G^2+B^2) formula b) for
- behaviours @terminal
- at contain a ''/'' (slash) can't be called (hence you're limited to ''PATH'') * filenames containing
- basics @terminal
- es inside a file. The file can be executable, but you can call a Bash script with that filename as a pa... ./myfile </code> If the file is executable, and you want to use it by calling only the script name, t... !'' must be **the first two bytes** in the file! You can follow the process by using ''echo'' as a fak... never be interpreted and executed by "''echo''". You can see what the Operating System does, it calls
- redirection @scripts
- diagnostic- and error-messages on ''stderr''. If you write a script that outputs error messages, please make sure you follow this convention! Whenever you **name** such a filedescriptor, i.e. you want to redirect this descriptor, you just use the number: <c
- quoting @scripts
- ree forms have the very same purpose: **They give you general control over parsing, expansion and expan... ds (like interpreting ANSI-C escapes in a string) you'll meet below. :!: **ATTENTION** :!: The quote c... SAME AS ### command "my multiword argument" ### YOU NEED ### MYARG="my multiword argument" command "$... ts the literal ''*'' as argument. It will, unless you have a file named ''*'', spit out an error. <cod
- positional-parameters @scripts
- ====== ===== Intro ===== The day will come when you want to give arguments to your scripts. These arg... The first argument ===== The very first argument you can access is referenced as ''$0''. It is usually... chos ''$0'': <code> #!/bin/bash echo "$0" </code> You see, ''$0'' is always set to the name the script ... o ''$1''. ===== Using them ===== Enough theory, you want to access your script-arguments. Well, here
- obsolete @scripts
- names of files in the current working directory. You can't get globbing without word-splitting, or vic... -f''). [[http://mywiki.wooledge.org/BashFAQ/050 | You can't store a command or character-delimited list... ing"; it's not, it's just a way to find the place you've //forgotten// to put error handling.\\ Think o... Perl or ''throws'' in C++: tough love that makes you write better code. Many guides recommend avoiding
- check-script @scripts
- t passed. </sxh> Thats all. We wrote one test. You can write more tests if you want. <code> $ ls testsuit/ foo.py main.py $ ./stat.sh testsuit/ Evalua... ems. 2 passed and 0 failed. Test passed. </code> You can find more **.bashtest** examples in the [[htt... thub.com/pahaz/bashtest | bashtest github repo]]. You can also write your question or report a bug [[ht
- ping @php
- ked'; } else { echo "didn't work"; } ?> </sxh> You can find the original source code at this "Lost i... command from a PHP script As a final option, if you can run the ping command from your command line, you can also just execute it with a PHP ping script, ... I wasn't given access to the ping command, but if you do have access to the ping command at the command