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doc: clarify 'find -size' values prefixed with '+' and '-'

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* doc/find.texi (node Size): Add a sentence to make even clearer that
values prefixed with '+' or '-' do not find files with an exact match
of N in file size.
* find/find.1 (-size): Likewise.
This commit is contained in:
Bernhard Voelker 2017-06-29 18:50:29 +02:00
parent d2f3e014a0
commit e4d77529d7
2 changed files with 4 additions and 2 deletions
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3
doc/find.texi
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@ -1034,7 +1034,8 @@ 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. Bear in mind that the size is rounded up to
@var{n} units of storage; i.e., an exact size of @var{n} units does not match.
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 0 to 1,048,575 bytes. There is no `=' prefix, because

3
find/find.1
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@ -916,7 +916,8 @@ differently. The `b' suffix always denotes 512-byte blocks and never
1024-byte blocks, which is different to the behaviour of
.BR \-ls .
.IP
The + and - prefixes signify greater than and less than, as usual.
The + and - prefixes signify greater than and less than, as usual;
i.e., an exact size of \fIn\fR units does not match.
Bear in mind that the size is rounded up to the next unit. Therefore
.BR "\-size \-1M"
is not equivalent to