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Your mail client appears to add a space after every -, which made it
somewhat awkward to read.
According to benjamin kravanja on 5/4/2007 5:30 AM:
Hallo,
1 - seems to be a critical bug in chmod,
if superuser flags were set, you can not reset them by using chmod
decimaldecimal [ file | dir | ... ]
chmod does not take decimal arguments; it takes octal.
This behavior is intentional, and is POSIX-compliant. Read the NEWS for 6.0:
chmod, install, and mkdir now preserve a directory's set-user-ID and
set-group-ID bits unless you explicitly request otherwise. E.g.,
`chmod 755 DIR' and `chmod u=rwx,go=rx DIR' now preserve DIR's
set-user-ID and set-group-ID bits instead of clearing them, and
similarly for `mkdir -m 755 DIR' and `mkdir -m u=rwx,go=rx DIR'. To
clear the bits, mention them explicitly in a symbolic mode, e.g.,
`mkdir -m u=rwx,go=rx,-s DIR'. To set them, mention them explicitly
in either a symbolic or a numeric mode, e.g., `mkdir -m 2755 DIR',
`mkdir -m u=rwx,go=rx,g+s' DIR. This change is for convenience on
systems where these bits inherit from parents. Unfortunately other
operating systems are not consistent here, and portable scripts
cannot assume the bits are set, cleared, or preserved, even when the
bits are explicitly mentioned. For example, OpenBSD 3.9 `mkdir -m
777 D' preserves D's setgid bit but `chmod 777 D' clears it.
Conversely, Solaris 10 `mkdir -m 777 D', `mkdir -m g-s D', and
`chmod 0777 D' all preserve D's setgid bit, and you must use
something like `chmod g-s D' to clear it.
2 - bug in positional esc- seuqence interpreting
under console - linux and xterm
This is not a bug in coreutils. Also, are you sure you are using
coreutils' echo, and not the shell builtin?
#$ echo - e \015\033[- 1Cxxx starts string xxx at position 0, ok
Using \015 as the argument to echo is not portable shell; you should use
\\015 or '\015' instead.
#$ echo - e \015\033[0Cxxx starts string xxx at position 2, not ok
To prove that the bug lies elsewhere (probably in xterm), you can do:
/bin/echo -e '\015\033[-1Cxxx' | od -tx1z
000 0d 1b 5b 2d 31 43 78 78 78 0a..[-1Cxxx.
012
Sure enough, all of the requested characters were output correctly; it is
now up to the terminal how they are interpreted.
- --
Don't work too hard, make some time for fun as well!
Eric Blake [EMAIL PROTECTED]
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