Multiplexing bash 4.4 + bash 5.0, quick preview

bashes.log

~/allvm-nixpkgs/allvm (git)-[master] $ tree ./bashes-aot                                                                     0:45:56 on 19-01-08
./bashes-aot
├── bin
│   ├── bash44
│   └── bash50
└── mux
    └── bashes-mux

2 directories, 3 files
~/allvm-nixpkgs/allvm (git)-[master] $ nix build -f release-muxopt.nix collections.bashes-sizes -o bashes-sizes              0:45:56 on 19-01-08
~/allvm-nixpkgs/allvm (git)-[master] $ csvlook ./bashes-sizes/size.csv                                                       0:46:08 on 19-01-08
| Name   | Native Size | Native size (deps) | ALLVM-Opt | ALLVM-NoOpt | Count |
| ------ | ----------- | ------------------ | --------- | ----------- | ----- |
| bashes |   3,199,200 |            776,224 | 2,787,688 |   2,554,808 |     2 |
~/allvm-nixpkgs/allvm (git)-[master] $



~/allvm-nixpkgs/allvm (git)-[master] $ ./bashes-aot/bin/bash44 -version                                                      0:48:52 on 19-01-08
GNU bash, version 4.4.23(1)-release (x86_64-unknown-linux-gnu)
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
~/allvm-nixpkgs/allvm (git)-[master] $ ./bashes-aot/bin/bash50 --version                                                     0:48:54 on 19-01-08
GNU bash, version 5.0.0(1)-release (x86_64-unknown-linux-gnu)
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

• toolchain used here lies about the platform, so software doesn't freak
• TIL bash accepts both -version and --version 😛