Hello Steve, JFYI, the attached mail just came in to the Debian BTS, cf. <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691221>.
JFTR, as per Debian bug severity levels, I'd consider this "minor" (instead of "normal" as it is now), but given that there are three issues mixed into a single bugreport I keep it as is. Cheers, Flo
--- Begin Message ---Package: tree Version: 1.6.0-1 Apparently, tree(1) is currently lacking support for the “--” POSIX option terminator: $ tree -- /usr tree: Invalid argument -`-'. usage: tree [-acdfghilnpqrstuvxACDFQNSUX] [-H baseHREF] [-T title ] [-L level [-R]] [-P pattern] [-I pattern] [-o filename] [--version] [--help] [--inodes] [--device] [--noreport] [--nolinks] [--dirsfirst] [--charset charset] [--filelimit[=]#] [--si] [--timefmt[=]<f>] [<directory list>] $ Also, the --help output is being sent to stderr (thus requiring $ tree --help 2>&1 | less instead of the conventional $ tree --help | less), and the -S option description is misleading: $ tree --help 2>&1 > /dev/null … ------- Graphics options ------ -i Don't print indentation lines. -A Print ANSI lines graphic indentation lines. -S Print with ASCII graphics indentation lines. -n Turn colorization off always (-C overrides). -C Turn colorization on always. … $ Namely, contrary to the description, non-ASCII codes (i. e., non-7 bit) are used for the (pseudo)graphic decorations: $ tree -S -d /usr | head | cat --show-nonprinting /usr M-CM-DM-D bin M-3 M-@M-DM-D X11 -> . M-CM-DM-D games M-CM-DM-D include M-3 M-CM-DM-D CL M-3 M-CM-DM-D GL M-3 M-3 M-@M-DM-D internal M-3 M-CM-DM-D X11 M-3 M-3 M-CM-DM-D Xtrans $ As a work-around, ASCII output may be forced by disabling localization, like: $ LC_ALL=C tree -d /usr | head | cat --show-nonprinting /usr |-- bin | `-- X11 -> . |-- games |-- include | |-- CL | |-- GL | | `-- internal | |-- X11 | | |-- Xtrans $ -- FSF associate member #7257
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