Category Archives: Code

Python: Consulting PEPs from command line, while being offline

Posted on April 13, 2011 by Julien Palard

One day I wished I could read PEPs in the tube on my laptop… so I searched for a convenient way to do so, and I didn’t found … So I wrote a very simple shell script you can found … Continue reading →

Posted in Python | 1 Comment

echo and backslash-escaped caracters / new lines: how to write portable scripts ?

Posted on April 8, 2011 by Julien Palard

While writing shell scripts you are using a lot of ‘echo’ but did you think about portability of this simple statement ? Can you say what will be diplayed, without testing, on your shell, the following tests : echo \n … Continue reading →

Posted in Shell Script | Leave a comment

[BASHISM] How to generate random number without $RANDOM ?

Posted on April 7, 2011 by Julien Palard

There is a common bashism, that is to use $RANDOM. Typically you’ll have to remove bashism while rewriting your scripts for dash or sh. There is a lot of solutions to generate random numbers in many different ways, but I’m … Continue reading →

Posted in Shell Script | 1 Comment

Pipe: Infix syntax for Python

Posted on March 28, 2011 by Julien Palard

Pipe is a Python module enabling infix syntax in Python. For those asking “Why ?” let’s take an example : Compare the readability of the classical prefix syntax : sum(select(where(take_while(fib(), lambda x: x < 1000000) lambda x: x % 2), … Continue reading →

Posted in Code, Python | 41 Comments

Yauib : Yet another useless IRC Bot !

Posted on March 27, 2011 by Julien Palard

After 2 years of … non blogging … I’m back ! This time I stopped C# (Oh yeah !) and I’m writing a lot of Python ! (Oh YEAH !) So to say HELLO I’ll present something useless : My … Continue reading →

Posted in Python, unix | 4 Comments