make use default select (default) gemset
add ls method to .replrc
use self defined readlink function
Fix #sub_classes in addition
update .inputrc
make upall/up use the same script
gemi with no-ri no-rdoc
remove ls method
Fix use, rails function
fix up script
add dofiles script
Fix up script
add pg_install_mac script
make SELECT_FILE_FOR_PATTERN support directory
update canon_video script