$ grep path_helper /etc/* 2>/dev/null
/etc/csh.login:#if ( -x /usr/libexec/path_helper ) then
/etc/csh.login:#    eval `/usr/libexec/path_helper -c`
/etc/profile:#if [ -x /usr/libexec/path_helper ]; then
/etc/profile:#  eval `/usr/libexec/path_helper -s`
/etc/zprofile:#if [ -x /usr/libexec/path_helper ]; then
/etc/zprofile:# eval `/usr/libexec/path_helper -s`
$