#!/bin/sh config_functions=1 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then ac_n= ac_c=' ' ac_t=' ' else ac_n=-n ac_c= ac_t= fi else ac_n= ac_c='\c' ac_t= fi echon () { echo $ac_n "$*"$ac_c }