dm1sh/mshell
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mshell/README.md
Dm1tr1y147 885bd34da3 Added setting environment variables with APPLICATION_INSIGHTS_NO_DIAGNOSTIC_CHANNEL=trueCHROME_DESKTOP=code-oss.desktopCOLORTERM=truecolorDBUS_SESSION_BUS_ADDRESS='unix:path=/run/user/1000/bus'DISPLAY=:0GIT_ASKPASS=/usr/lib/code/extensions/git/dist/askpass.shGTK_MODULES=canberra-gtk-moduleHOME=/home/dshI3SOCK=/run/user/1000/i3/ipc-socket.521LANG=en_US.UTF-8LESS=-RLESSHISTFILE=-LESSPROMPT='?f%f .?ltLine %lt:?pt%pt\%:?btByte %bt:-...'LESS_TERMCAP_mb=$'\C-[[31m'LESS_TERMCAP_md=$'\C-[[31m'LESS_TERMCAP_me=$'\C-[[0m'LESS_TERMCAP_se=$'\C-[[0m'LESS_TERMCAP_so=$'\C-[[47;30m'LESS_TERMCAP_ue=$'\C-[[0m'LESS_TERMCAP_us=$'\C-[[32m'LOGNAME=dshLS_COLORS='rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.webp=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:'MAIL=/var/spool/mail/dshMANWIDTH=120MOZ_PLUGIN_PATH=/usr/lib/mozilla/pluginsNO_AT_BRIDGE=1OLDPWD=/mnt/hdd/Work/Development/C/myshellPATH=/home/dsh/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perlPWD=/mnt/hdd/Work/Development/C/myshellSHELL=/bin/zshSHLVL=3TERM=xterm-256colorTERM_PROGRAM=vscodeTERM_PROGRAM_VERSION=1.46.1USER=dshVSCODE_GIT_ASKPASS_MAIN=/usr/lib/code/extensions/git/dist/askpass-main.jsVSCODE_GIT_ASKPASS_NODE=/usr/lib/electron7/electronVSCODE_GIT_IPC_HANDLE=/run/user/1000/vscode-git-55765a537b.sockWINDOWPATH=1XAUTHORITY=/home/dsh/.XauthorityXDG_CONFIG_HOME=/home/dsh/.configXDG_RUNTIME_DIR=/run/user/1000XDG_SEAT=seat0XDG_SESSION_CLASS=userXDG_SESSION_ID=1XDG_SESSION_TYPE=ttyXDG_VTNR=1 and before command locally
2020-07-18 20:40:51 +05:00

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A simple UNIX shell written in C

I created it for personal usage, but decided to upload it into public repo in case if anybody would be interested in it.

Work is still in porgress, buf when you will see a "finished" topic assigned to it, feel free to contribute.

Supported features

  • Command input with left and right arrow, home and end keys navigation and backspace, delete support
  • Running commands in separate process and termination them with ctrl+c
  • cd, exit and exec builtin commands
  • Files and commands from PATH autocompletion on Tab keypress
  • History of commands and navigation or search through it with up/down keys
  • Username, ip address and current path in prompt before each command input
  • Show previous command return status in prompt and invert it with !, separated with space, specified before it
  • Running multiple commands separated by ;, && or ||
  • Expand * wildcards
  • Commands I/O redirection with | pipes and >, <, >>, <> file input/output
  • Save history into file and access recent command in another instance of shell
  • $ENVIRONMENT_VARIABLES expansion
  • Own execvpe implimentation as mexecvpe with commands getting from $PATH
  • Setting environment variables with export and locally before command

Builtin commands

  • cd: changes current working directory to the one specified by user. If no arguments provided, shows error.
  • exec: executes entered command and exits
  • export: sets environment variable
  • exit: exits shell

TODO

  • Ctrl+Z running programm with fd
  • $() subcommands