clash

#!/usr/bin/env sh
# compat: +ash +bash +dash +zsh

clash() { ### @- run a command through 11 different shells.
    ### only returns false when no arguments are given.
    [ $# != 0 ] || return
    for sh in `__clash_shells`; do
        printf >&2 '\033[7m %s \033[m\n' "trying $sh"
        "$sh" "$@"
        eval "${sh}_x=$?"
    done
    if [ "$1" = -c ]; then
        shift
        printf >&2 '\033[7m\043\043\043\043 `%s`\033[m\n' "$*"
    else
        printf >&2 '\033[7m\043\043\043\043 sh %s\033[m\n' "$*"
    fi
    for sh in `__clash_shells`; do
        printf >&2 '\033[100m#%5s: $? = %s\033[m\n' "$sh" "$((${sh}_x))"
    done
    true
}

__clash_shells() {
    echo ash bash dash ksh loksh mksh oksh osh posh yash zsh
}

[ -n "${preload+-}" ] || clash "$@"