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BASH Scripting: Check If running with sudo/superuser, if not, dont run, return error

- by EvilPhoenix

This is something I've been curious about. I make a lot of small bash scripts (.sh files) to do tasks that I routinely do. Some of those tasks require everything to be ran as superuser. I've been curious: Is it possible to, within the BASH script prior to everything being run, check if the script is being run as superuser, and if not, print a…

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sed problem with scripting

- by Pablo Ramos

I am trying to run a script using sed i runing like this for et in 1 # 2 3 do if [ -d ET$et ]; then rm -rf ET$et; fi mkdir ET$et cd ET$et cp $home/step_$i/FDE/diabatA/run.adf . cp $home/step_$i/FDE/diabatA/mas$i.xyz . awk1=`awk '/type=fde/{print NR }' run.adf | head -1` …

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Scripting with variables from file

- by Nooster

I have several videos on my PC that I would like to shorten. For instance I have a 30 sec video where I want to have the section from sec 15 to 20 (a 5sec video). To cut this, I use avconv. avconv -i input.mp4 -ss 15 -acodec copy -vcodec copy -t 5 output.mp4 This command works pretty well. I have many videos I want to cut the same…

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How to write comments to explain the "why" behind the callback function when the function and parameter names are insufficient for that?

- by snowmantw

How should I approach writing comments for callback functions? I want to explain the "why" behind the function when the function and parameter names are insufficient to explain what's going on. I have always wonder why comments like this can be so ordinary in documents of libraries in dynamic languages: /** * cb: callback //…

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Which programming language for text editing?

- by Ali

I need a programming language for text editing and processing (replace, formatting, regex, string comparison, word processing, text analysis, etc). Which programming language is more powerful and has more functions for this purpose? Since I work PHP for my web projects, I currently use PHP; but the fact is that PHP is a scripting…

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Language Club – Battle of the Dynamic Languages

- by Ben Griswold

After dedicating the last eight weeks to learning Ruby, it’s time to move onto another language. I really dig Ruby. I really enjoy its dynamism and expressiveness and always-openness and it’s been the highlight of our coding club for me so far. But that’s just my take on the language. I know a lot of coders…

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Should programming languages be strict or loose?

- by Ralph

In Python and JavaScript, semi-colons are optional. In PHP, quotes around array-keys are optional ($_GET[key] vs $_GET['key']), although if you omit them it will first look for a constant by that name. It also allows 2 different styles for blocks (colon, or brace delimited). I'm creating a programming language now, and I'm…

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Programming languages specifications ebooks

- by Oxinabox

In this talk Jon Skeet talks about the advantages of reading programming language specifications. I have an Ebook Reader (a Sony, one of the better ones for PDF's, though EPub is still much better). Does anyone know any sources for specifications, optimised for ebook readersm that can be downloaded? I expect someone would…

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What's shell script's advantage over interpreted programming languages?

- by Lai Yu-Hsuan

(I'm not sure if it's a appropriate question here) Shell script, like bash, can do many things. It can call Unix programs, pipe their output, redirect I/O from/to files, control flow, check whether a file exists, etc. But a modern programming language, e.g, python and ruby, can also do these all. And their are (I think)…

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Is sticking to one language on a particular project a good practice?

- by Ans

I'm developing a pipeline for processing text that will go into production. The question I keep asking myself is: should I stick to one language for the project when I'm looking for a tool to do a particular task (e.g. NLTK, PDFMiner, CLD, CRFsuite, etc.)? Or is it OK to mix and match languages on the project? So I…

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Do people in non-English-speaking countries code in English?

- by Damovisa

With over 100 answers to this question it's highly likely that your answer has already been posted. Please don't post an answer unless you have something new to say I've heard it said (by coworkers) that everyone "codes in English" regardless of where they're from. I find that difficult to believe, however I…

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Bohemia Interactive's bio2s format

- by Jaime Soto

Does anyone have specifications for the bio2s scripting language from Bohemia Interactive? They develop Operation Flashpoint, Armed Assault (ArmA), and Virtual Battlespace. These scripts are sometimes called O2 or Oxygen scripts and are used in their terrain and modeling tools. Oxygen is Bohemia Interactive's…

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Why no more macro languages?

- by Muhammad Alkarouri

In this answer to a previous question of mine about scripting languages suitability as shells, DigitalRoss identifies the difference between the macro languages and the "parsed typed" languages in terms of string treatment as the main reason that scripting languages are not suitable for shell purposes. Macro…

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Which order would you teach programming languages in, when teaching a newbie?

- by blueberryfields

If you had to design a study program, with a breadth-of-programming-languages requirement, which stated that the student should be exposed to all major concepts and methodologies that can be taught through (at the minimum) 6 programming languages, which programming languages would you choose to teach, and in…

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Are there programming languages taht rely on non-latin alphabets?

- by Jaxsun

Every programming language I have ever seen has been based on the Latin alphabet, this is not surprising considering I live in Canada... But it only really makes sense that there would be programming languages based on other alphabets, or else bright computer scientists across the world would have to learn a…

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Are there programming languages that rely on non-latin alphabets?

- by Jaxsun

Every programming language I have ever seen has been based on the Latin alphabet, this is not surprising considering I live in Canada... But it only really makes sense that there would be programming languages based on other alphabets, or else bright computer scientists across the world would have to learn a…

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Using Groovy as a scripting language...

- by Zombies

I prefer to use scripting languages for short tasks, anything such as a really simple http bot, bulk importing/exporting data to/from somewhere, etc etc... Basic throw-away scripts and simple stuff. The point being, that a scripting language is just an efficient tool to write quick programs with. As for my…

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MSCC: Scripting - Administrator's toolbox of magic...

Finally, we made it to have our April meetup - in May. The most obvious explanation is the increased amount of open source and IT activities that either the MSCC, the Linux User Group of Mauritius (LUGM), or the University of Mauritius Student's Computer Club is organising. It's absolutely incredible to…

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Back from Teched US

- by gsusx

It's been a few weeks since I last blogged and, trust me, I am not happy about it :( I have been crazily busy with some of our projects at Tellago which you are going to hear more about in the upcoming weeks :) I was so busy that I didn't even have time to blog about my sessions at Teched US last week.…

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Tellago && Tellago Studios 2010

- by gsusx

With 2011 around the corner we, at Tellago and Tellago Studios , we have been spending a lot of times evaluating our successes and failures (yes those too ;)) of 2010 and delineating some of our goals and strategies for 2011. When I look at 2010 here are some of the things that quickly jump off the…

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DonXml does WCF in NYC

- by gsusx

Tomorrow is WCF day in New York city!!!!! My good friend and Tellago's CTO Don Demsak will be doing a session WCF Data and RIA Services at the WCF fire-starter event to be hosted at the Microsoft offices in New York city. Don has a encyclopedic knowledge of both technologies and will be sharing…

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Is there a procedural graphical programming environment?

- by Marc

I am searching for a graphical programming environment for procedural programming in which you can integrate some or all of the common sources of calculation procedures, such as Excel sheets, MATLAB scripts or even .NET assemblies. I think of something like a flowchart configurator in which you…

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Is sticking to one language a good practice?

- by Ans

I'm developing a pipeline for processing text that will go into production. The question I keep asking myself is: should I stick to one language when looking for a tool to do a particular task (e.g. NLTK, PDFMiner, CLD, CRFsuite, etc.)? Or is it OK to mix and match looking for the best tool…

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A scripting engine for Ruby?

- by Earlz

Hello, I am creating a Ruby On Rails website, and for one part it needs to be dynamic so that (sorta) trusted users can make parts of the website work differently. For this, I need a scripting language. In a sort of similar project in ASP.Net, I wrote my own scripting language/DSL. I can not…

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How to find from GUI whether Client Side scripting or server side scripting is running

- by rockbala

We have a GUI which runs on ASP.NET 2.0 framework (Client-Server model). From the support perspective how can one find whether the pages which are opening on GUI at any point of time is a server side scripting or Client side scripting. The reason why I ask this is because I understand that…

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