support other versions of ksh
@ -1460,7 +1460,7 @@ get_shell() {
"bash") shell+="${BASH_VERSION/-*}" ;;
"sh" | "ash" | "dash") ;;
"mksh" | "ksh")
*"ksh")
shell+="$("$SHELL" -c "printf %s \"\$KSH_VERSION\"")"
shell="${shell/ * KSH}"
shell="${shell/version}"