glsl_minify

glsl_minify reduces the size of GLSL code by collapsing or eliminating whitespace and replacing identifiers starting with a prefix ('_' by default) with generated names.

It can be used from the command line or imported as a Python module.

Command line help

$ python glsl_minify.py -h

usage: glsl_minify.py [-h] [--copy] [-q] [-i INDIR] -o OUTDIR
                      [filename [filename ...]]

positional arguments:
  filename              file path relative to INDIR. If unspecified, all .glsl
                        files reachable from INDIR will be processed

optional arguments:
  -h, --help            show this help message and exit
  --copy                copy files without minifying
  -q, --quiet           disable status messages
  -i INDIR, --indir INDIR
                        path containing source glsl files (default: .)
  -o OUTDIR, --outdir OUTDIR
                        where to store output files