g1eng / giosh

a POSIX INCOMPLIENT shell, written in go

About

giosh (generic IO shell) is a multipurpose command line shell written in Go.

giosh is not:

• a POSIX compliant shell
• a shell language with multi-line lexical scope
• a virtual machine with a new (environmental) variable declaration mechanism

Supported features

• Command invokation with PATH resolving
• pipe

Usage

1. Simply invoke it. You can use giosh with interactive mode.

$ giosh
@G[1]> ls -l | grep m | sed -r -e s/.+[[:blank:]]//g
README.md
cmd
main.go

2. Read giosh script

$ giosh some_script

3. Read an oneliner from the standard input (Standard input for giosh must be an oneliner)

$ awesome_script | awesome_command | giosh

Limitation

At now, giosh is released under limitations (really so limited in the function).

Following mechanisms are not supported:

• comment line
• escape character \
• arrow keys and command history
• redirection with file descriptor
• hear strings or hear document
• variable declaration
• variable reference (env value is not directly available)
• variable expansion and command replacement
• background jobs (&)
• builtin commands

Authors

Suzume Nomura @g1eng

Okadarien Saru -