Dan Jacobson <[EMAIL PROTECTED]> writes:
> : | dd bs=1 seek=`echo '2^31'|bc` of=big
> has an apparent size of 2 gigabytes, yet on most modern systems,
> You gotta say what's up with the : | jazz. Why not using if=/dev/null
> or something.
Sounds reasonable. Also the sizes are wrong or confusing. I
installed this:
2004-11-27 Paul Eggert <[EMAIL PROTECTED]>
* doc/coreutils.texi (du invocation): Use if=/dev/null rather
than :|. Problem reported by Dan Jacobson.
Use "seek=2GiB" rather than the wordier "seek=`echo '2^31'|bc`".
Say "KiB" not the (inaccurate) "kilobytes".
Similarly for "GiB" and "gigabytes".
--- coreutils.texi.~1.228.~ 2004-11-19 15:53:20 -0800
+++ coreutils.texi 2004-11-27 01:27:35 -0800
@@ -8818,16 +8818,16 @@ file is the number of bytes reported by
or more generally, @code{ls -l --block-size=1} or @code{stat --format=%s}.
For example, a file containing the word @samp{zoo} with no newline would,
of course, have an apparent size of 3. Such a small file may require
-anywhere from zero to 16 or more kilobytes of disk space, depending on
+anywhere from 0 to 16 KiB or more of disk space, depending on
the type and configuration of the file system on which the file resides.
However, a sparse file created with this command:
@example
-: | dd bs=1 seek=`echo '2^31'|bc` of=big
+dd bs=1 seek=2GiB if=/dev/null of=big
@end example
@noindent
-has an apparent size of 2 gigabytes, yet on most modern
+has an apparent size of 2 GiB, yet on most modern
systems, it actually uses almost no disk space.
@item -b
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