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users/15350: explain rounding rules for size glob qualifier

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Peter Stephenson 2010-09-02 08:46:27 +00:00
parent 7fe494f27a
commit aa24f1a703
2 changed files with 17 additions and 5 deletions
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15
Doc/Zsh/expn.yo
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@ -2302,10 +2302,17 @@ time.
)
item(tt(L)[tt(PLUS())|tt(-)]var(n))(
files less than var(n) bytes (tt(-)), more than var(n) bytes (tt(PLUS())), or
exactly var(n) bytes in length. If this flag is directly followed by a `tt(k)'
(`tt(K)'), `tt(m)' (`tt(M)'), or `tt(p)' (`tt(P)') (e.g. `tt(Lk-50)')
the check is performed with kilobytes, megabytes, or blocks (of 512 bytes)
instead.
exactly var(n) bytes in length.
If this flag is directly followed by a `tt(k)' (`tt(K)'), `tt(m)'
(`tt(M)'), or `tt(p)' (`tt(P)') (e.g. `tt(Lk-50)') the check is performed
with kilobytes, megabytes, or blocks (of 512 bytes) instead. In this
case a file is regarded as "exactly" the size if the file size rounded up
to the next unit is equal to the test size. Hence `tt(*LPAR()Lm1+RPAR())'
matches files from 1 byte up to 1 Megabyte inclusive. Note also that
the set of files "less than" the test size only includes files that would
not match the equality test; hence `tt(*LPAR()Lm-1+RPAR())' only matches
files of zero size.
)
item(tt(^))(
negates all qualifiers following it