bin/ysh is the shell with data tYpes, influenced by pYthon, JavaScript, ...

Usage:
    ysh FLAG* SCRIPT ARG*
    ysh FLAG* -c COMMAND ARG*
    ysh FLAG*

Examples:
    ysh -c 'echo hi'
    ysh myscript.ysh
    echo 'echo hi' | ysh

Note that bin/ysh is the same as bin/osh with the ysh:all option group set:
    osh -o ysh:all -c 'echo hi'  # Same as YSH
