#! /bin/sh

# max-arg-len -- find max arg len list to give to a command
# $Id$
# Carlos Duarte <cgd@mail.teleweb.pt>, 991014

A="x x x x"
while : ; do 
	B="$A $A"; 
	/bin/echo $A >/dev/null 2>&1 || break
	A="$B"
done

if /bin/echo $A x >/dev/null 2>&1; then :; else
	echo "$A" | wc -c
	exit
fi

# taylor A up
B="$A"
while : ; do
	B="`echo \"$B\" | sed s/.././g`"
	if /bin/echo "$A$B" >/dev/null 2>&1; then
		A="$A$B"
	fi
	case $B in "" | ? | ?? ) break ;; esac
done

echo "$A" | wc -c