hb

Fix argument parsing bug

Fix DESTDIR in 'install' script

diff --git a/install b/install
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-DESTDIR="${DESTDIR}/usr/local"
+: ${DESTDIR:=/usr/local}
 BINDIR="${DESTDIR}/bin"
 MANDIR="${DESTDIR}/share/man"
 

diff --git a/nb b/nb
@@ -47,7 +47,7 @@ test -z "${EDITOR}" && export EDITOR=vi
 # if folder does not exist
 cd "${NB_PATH}" || nb_fatal_error "NB_PATH is not a directory"
 nb_option=${1}
-[ $? -gt 1 ] && shift
+[ $# -ge 1 ] && shift
 case $nb_option in
     #TODO pass params to nb_browse
     '')nb_browse ;;