Introduction

fshell is a simple shell write in C. The goal is to become a shell starter example.

Feature

• |, &&
• built-in command
• init file support

builtin command

• list alias - list all alias
• cd [dir] - switch dir_
  cd .... - return previous folder
• alias [alias name] [original name] - alias a to b
• unalias [alias name] ... - unalias a , ... can replace with your alias variable
• set [name] [value] - set env variable [name] = [value]
• unset [name] ... - unset a , ... can replace with your env variable
• print [name] ... - print a env value and alias value
• load [file] ... - load a configuration file with built-in commands

init file

• FSHELL_PIPE_NUM - the number of one-dimensional arrays of two-dimensional arrays to be used for pipe Example: set FSHELL_PIPE_NUM 20 (can be left out if you don't know)
• built-in command support (set, unset, alias, unalias, load)

Warning

• The file is located at ${HOME}/.fshellrc