comp.unix.shell Google Group

Re: File name too long to mv

nos...@all.4me.invalid (Wayne) — Sat, 26 Jul 2008 22:59:14 UT

If this is true it looks like a cygwin bug. POSIX minimums are 255 characters.
Then again, maybe that's bytes; I know some OSes use UTF-16 so 130 characters
would be 260 bytes.
If I were you I'd report the exact filename (and its length) and the bug
to the cygwin mailing list.
-Wayne

Re: File name too long to mv

jonde...@gmail.com — Sat, 26 Jul 2008 21:18:15 UT

On Jul 26, 1:39 am, Paul Colquhoun <postmas...@andor.dropbear.id. au>
wrote:
most of the files are still too long even inside the same directory.
they contain around 130 characters or more.

Re: tricks? to minimize forking (for cygwin bash scripts)

damer...@comcast.net (Dan Mercer) — Sat, 26 Jul 2008 21:15:15 UT

Cygwin is slow not because it's forking is slow but because it writes the
name of the current command to the shell windows titlebar. I used to run
it in a terminal window (rxvt) which should be available from the
Cygwin download. See [link]
Dan Mercer

Re: How to rename a process

damer...@comcast.net (Dan Mercer) — Sat, 26 Jul 2008 20:51:10 UT

ksh 93 can do this - see the exec command (-a option)
Dan Mercer

Re: File name too long to mv

jonde...@gmail.com — Sat, 26 Jul 2008 20:27:15 UT

Here's the output, with some anonymization (FYI, I'm using cygwin):
946 1781 [main] mv 6168 environ_init: GetEnvironmentStrings
returned 0x245D58 - "=::=::\"
89 2049 [main] mv 6168 environ_init: 0x780260: ALLUSERSPROFILE=C:
\Documents and Settings\All Users
71 2199 [main] mv 6168 environ_init: 0x7802E8: APR_ICONV_PATH=C:

Re: File name too long to mv

dstrombergli...@gmail.com (Dan Stromberg) — Sat, 26 Jul 2008 18:43:44 UT

Please run:
strace -f mv long-name short-name 2>&1 | egrep E
..and send the result to this list. Or if you're on a System V system
rather than Linux, just substitute strace with truss.
The responses so far have focused on application-level messages. There's
a slim chance that this is a limit in the kernel/syscall being used.

Re: ssh redirecting command output usign here document

dstrombergli...@gmail.com (Dan Stromberg) — Sat, 26 Jul 2008 18:35:32 UT

I tend to avoid "here documents" (I guess it's the indentation that bugs
me - I'd rather put the stuff in a shell function with a bunch of
echo's), but if you want to keep the quoting simple in your here
documents, you can use:
ssh wherever << 'EOF'
echo $variable_expanded_on_remote_h ost
EOF
Note the apostrophes on the first EOF - but not the second.

Re: tricks? to minimize forking (for cygwin bash scripts)

anonb...@nyx.net (Name withheld by request) — Sat, 26 Jul 2008 12:45:01 UT

In article <slrng8eej5.9ra.stephane.chaze ...@spam.is.invalid>,
--snip
right/thx, I understand

Re: tricks? to minimize forking (for cygwin bash scripts)

anonb...@nyx.net (Name withheld by request) — Sat, 26 Jul 2008 12:24:51 UT

In article <g5pahc$i1...@cb.generation-on line.de>,
Thanks for the suggestion.
I don't think I know enough to be very effective w/'strace',
but I did try a simple test below. In this case it appears that
some form of spawn is used instead of fork:
# 07:16:51 Sat 080726 0j tty0 576 /tmp
# argon adm_xyz $ cat r1

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Re: How vi create tmp file in /tmp directory

james.ka...@gmail.com (James Kanze) — Sat, 26 Jul 2008 09:52:31 UT

Posix says that TMPDIR is to be used. (For historical reasons,
in my own code, I try a wide variety of names: TMPDIR first,
then TMP, TEMP and TEMPDIR, and use the first one I find.)
At least at one time, the recommended place for temporary files
was /var/tmp, rather than /tmp. On most modern Unix systems

Re: How to access /dev/fd/0 or /dev/stdin in cygwin

p...@pk.invalid (pk) — Sat, 26 Jul 2008 08:50:33 UT

AFAIU, a "null pathname" in POSIX is an empty string, not a pathname with an
embedded NUL.

Re: File name too long to mv

mik3l3...@gmail.com — Sat, 26 Jul 2008 06:10:31 UT

you might want to try mv in combination with xargs.

Re: File name too long to mv

postmas...@andor.dropbear.id.au (Paul Colquhoun) — Sat, 26 Jul 2008 05:39:05 UT

Is "really-long-file-name" really just the file name, or is it actually
"/really/long/full/path/to/fil e-name"?
If it is actually a path, try doing:
cd really/long/full/path/to
mv file-name shorter-name
It might help things if you gave us the actual name, or even the real
length of the name.
Run this and tell us the output:

Re: File name too long to mv

jonde...@gmail.com — Sat, 26 Jul 2008 04:32:44 UT

same error