8c6a2ab4c2
- I/O redirection: >, >>, <, 2>, 2>&1, &>
- Job control: background & operator
- if/elif/else/fi, for/do/done, while/until loops
- Shell functions with local/declare, positional param save/restore
- Exit code propagation via exitCodeErr sentinel
- Arithmetic expansion $((expr)) with bare variable names
- Command substitution $(cmd) with pipeline support
- Glob expansion, tilde expansion, ${VAR:-default} and other forms
- Tab completion and command history via chzyer/readline
- Inline comment stripping (# outside quotes)
- Builtins: test/[, read, printf, tr, sed, cut, tail, tee, xargs,
basename, dirname, date, sleep, uniq, sort, wc, head, grep, find,
true, false, break, continue, return, shift, set, unset, export,
declare/local, source, alias, jobs, command, which, env
- Bug fixes: tokenizer parenDepth double-count for $((,
splitPipe not paren-aware (broke pipelines in $()),
local/declare TrimLeft stripping valid var name chars,
parseBlocks missing nested keywords after do/then/else
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
bash-for-windows
A fully functional bash shell for Windows, written in Go. Run bash commands and scripts natively on Windows without WSL, Cygwin, or MSYS2.
Features
- Interactive shell with prompt (
bash$) - Built-in commands: cd, pwd, echo, exit, export, source, alias, type
- Built-in coreutils: ls, cat, grep, sort, wc, head, find, cp, mv, rm, mkdir, touch, clear
- Command chaining:
&&,||,; - Pipes:
|between commands - Variable expansion:
$NAME,${NAME} - Variable assignment:
NAME=VALUE command - Single & double quotes:
'literal',"$variable" - Script execution:
bash-windows script.shor-c 'commands' - No dependencies — single
.exefile, runs on any Windows x86-64
Usage
bash-windows # Interactive mode
bash-windows -c 'echo hello'
bash-windows script.sh
Examples
bash$ echo "Hello from bash-for-windows!"
bash$ ls -la
bash$ cd /tmp && pwd
bash$ cat file.txt | grep pattern | wc -l
bash$ name="Luffy" && echo $name
bash$ mkdir -p project/src && touch project/src/main.go
Building
Requires Go 1.21+.
# Linux
./build.sh
# Manual
go build -o build/bash-windows .
# Windows cross-compile
GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -o build/bash-windows.exe .
Project Structure
cmd/bash/ - Shell entry point
internal/shell/ - Shell engine (parser, executor, builtins, coreutils)
build/ - Compiled binaries
License
MIT