Computer Languages Characters Frequency

All Languages Combined

the frequency of punctuation characters used in programing languages.

• Total num of files processed: 13,841
• Total num of punc chars counted: 14,084,715

Percentage of languages:

• 19.8% C
• 18.5% Python
• 13.5% PHP
• 12.9% Ruby
• 9.8% Perl
• 9.4% C++
• 7.3% Java
• 5.2% BASH
• 3.2% JavaScript
• 0.3% CSS
• 0.1% Emacs Lisp

JavaScript

Sample syntax JS: Raining Hearts

Java

Sample syntax Complex Numbers in Java

golang

• source:
• char_freq_golang_code_2020-06-29.txt

using other source have similar result.

Sample syntax Golang: Script to Find Replace Multi-Pairs of Regex in a Directory

C++

C

PHP

Sample syntax PHP: Send Mail with Attachment

Python

Sample syntax Python: Script to Find Replace Multi-Pairs Regex in a Directory

Ruby

Sample syntax Ruby: Learn Ruby in 1 Hour

Perl

Sample syntax Perl: Find Replace String Pairs in Directory

Bash

CSS

Sample syntax Atomic CSS

WolframLang

• source WolframLang_code_2024-04-02.wl

Sample syntax Geometric Inversion, 2D Grid, Polygon

Emacs Lisp

source is dired.el in emacs 29.

Haskell

About Source Input

After this study, i realized that the size of input does not matter much. It is not necessary to gather thousands of source code files. 20 or 50 files from a generic project is sufficient.

For certain languages, different projects do favor certain chars, but again, not overall significant.

For example, for python, just pick 20 files from standard library is good enough. No need to go out of the way to get source from different projects.

Plot Your Own

• Character Frequency Plot