what_shell

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# Copyright 2023 Thomas Bernard (https://github.com/TomfromBerlin)             #
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#
# What shell do we have?
myshell=$(ps -cp "$$" -o command="")
case "$myshell" in
  bash) echo -e "Bourne Again Shell ($(ps -cp "$$" -o command=""))  - ver. ${BASH_VERSION}"  ;;
  sh) echo -e "Bourne Shell ($(ps -cp "$$" -o command=""))"  ;;
  ash) echo -e "Almquist-Shell ($(ps -cp "$$" -o command=""))"  ;;
  dash) echo -e "Debian-Almquist-Shell ($(ps -cp "$$" -o command=""))"  ;;
  ksh) echo -e "Korn Shell ($(ps -cp "$$" -o command="")) - ver. ${KSH_VERSION}"  ;;
  lksh) echo -e "You should not use Legacy Korn Shell (lksh) as an interactive shell.\nIt is intended exclusively for running legacy scripts.\nUse mksh instead, or zsh and emulate ksh." ;;
  mksh) echo -e "MirBSD Korn Shell ($(ps -cp "$$" -o command="")) - ver. ${KSH_VERSION}"  ;;
  pdksh) echo -e "Public Domain Korn Shell ($(ps -cp "$$" -o command="")) - ver. ${KSH_VERSION}"  ;;
  posh) echo -e "Policy-compliant Ordinary SHell ($(ps -cp "$$" -o command="")) - ver. ${POSH_VERSION}"  ;;
  yash) echo -e "Yet Another Shell ($(ps -cp "$$" -o command="")) - ver. ${YASH_VERSION}"  ;;
  zsh) echo -e "Z Shell ($(ps -cp "$$" -o command="")) - ver. ${ZSH_VERSION}"  ;;
  *) echo -e "Unknown Shell - ($(ps -cp "$$" -o command=""))"  ;;
esac