#!/bin/bash

testScript() { cat <<-"eoscript"
	is_uint() { case $1   in '' | *[!0-9]*              ) return 1;; esac ;}
	is_int()  { case ${1#[-+]} in '' | *[!0-9]*         ) return 1;; esac ;}
	is_unum() { case $1   in '' | . | *[!0-9.]* | *.*.* ) return 1;; esac ;}
	is_num()  { case ${1#[-+]} in '' | . | *[!0-9.]* | *.*.* ) return 1;;
			esac ;}
	outstr='';
	for var in 1 42 -3 +42 +3. .9 3.14 +3.141 -31.4 '' . 3-3 3.1.4 3a \
		a3 blah 'Good day!' ;do
	    for func in is_uint is_int is_unum is_num ;do
	        if $func "$var"; then outstr="$outstr"T
	        else outstr="$outstr"F
	        fi
	    done ;done
	case $outstr in
	  TTTTTTTTFTFTFTFTFFFTFFTTFFTTFFFTFFFTFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF )
	      echo Success ;;
	  * ) echo Failed  ;;
	esac
	eoscript
}

for shell in bash dash 'busybox sh' ksh zsh "$@";do
	printf "%-12s  " "${shell%% *}"
	$shell < <(testScript) 2>&1 | xargs
done