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Add/elaborate on warning about find -size -1M.

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* find/find.1: Elaborate on warning about find -size -1M.
* find.texi: Copy warning about find -size -1M from manpage.
This commit is contained in:
Andreas Metzler 2015-12-31 18:10:19 +01:00 committed by James Youngman
parent 0025eb3c93
commit 27fd9e050e
2 changed files with 13 additions and 6 deletions
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7
doc/find.texi
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@ -1034,8 +1034,11 @@ The number can be prefixed with a `+' or a `-'. A plus sign indicates
that the test should succeed if the file uses at least @var{n} units
of storage (a common use of this test) and a minus sign
indicates that the test should succeed if the file uses less than
@var{n} units of storage. There is no `=' prefix, because that's the
default anyway.
@var{n} units of storage. Bear in mind that the size is rounded up to
the next unit. Therefore @samp{-size -1M} is not equivalent to
@samp{-size -1048576c}. The former only matches empty files, the latter
matches files from 1 to 1,048,575 bytes. There is no `=' prefix, because
that's the default anyway.
The size does not count indirect blocks, but it does count blocks in
sparse files that are not actually allocated. In other words, it's

12
find/find.1
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@ -911,10 +911,14 @@ handle sparse files
differently. The `b' suffix always denotes 512-byte blocks and never
1 Kilobyte blocks, which is different to the behaviour of
.BR \-ls .
The + and - prefixes signify greater than and less than, as usual,
but bear in mind that the size is rounded up to the next unit (so a
1-byte file is not matched by
.BR "-size -1M" ).
.IP
The + and - prefixes signify greater than and less than, as usual.
Bear in mind that the size is rounded up to the next unit. Therefore
.BR "\-size \-1M"
is not equivalent to
.BR "\-size \-1048576c".
The former only matches empty files, the latter matches files from 1 to
1,048,575 bytes.
.IP \-true
Always true.