the reported length for directories must be zero plan9' stat(3) says so...

add hexdump command to aid the debugging Also skip the progression bar if hexdump is enabled.

killing a stale makefile from before the -portable merge

sync ftp manpage with actual commands

ftp: fix some usage reportings

kamid: always reply to auth with a struct kd_auth_proc even when the authentication fails

use $PAGER instead of hardcoding `less' (which is still the default)

tmp_file: enable the close-on-exec flag

fix walk_path error handling: do_clunk only when miss == 0 ...otherwise nfid is not valid and do_clunk aborts.

add `edit' command refactor the "write or create file" code into a function (woc_file) to share it with the `put' command.

refactor tmp file creation in its own function

new `put' command to upload a file

convert dup_fid to return an error string too

walk_path: consume only the returned amount of qids due to a typo, we end up trying to consume the *expected* amount of qids, but the walk could be shorter.

rework walk_path In particular it's important not to die if the first component can't be walked for any reason!