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find: Allow '+' and '-' prefix for -links
and -size
options
The presence of this prefix denotes that the value being tested is strictly greater than or less than the given numeric value.
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2 changed files with 78 additions and 15 deletions
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@ -27,13 +27,17 @@ specified commands, a `-print` command is implicitly appended.
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* `-type t`: Checks if the file is of the specified type, which must be one of
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`b` (for block device), `c` (character device), `d` (directory), `l` (symbolic
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link), `p` (FIFO), `f` (regular file), and `s` (socket).
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* `-links number`: Checks if the file has the given number of hard links.
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* `-links [-|+]number`: Checks if the file has the given number of hard links.
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* `-user name`: Checks if the file is owned by the given user. Instead of a user
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name, a numerical UID may be specified.
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* `-group name`: Checks if the file is owned by the given group. Instead of a
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group name, a numerical GID may be specified.
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* `-size number[bcwkMG]`: Checks if the file uses the specified `n` units of
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space rounded up to the nearest whole unit.
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* `-size [-|+]number[bcwkMG]`: Checks if the file uses the specified `n` units of
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space rounded up to the nearest whole unit.
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The '+' and '-' prefixes denote greater than and less than, i.e an exact size
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of `n` units doesn't match. Sizes are always rounded up to the nearest unit,
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empty files, while the latter will match files from 0 to 1,048,575 bytes.
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The unit of space may be specified by any of these suffixes:
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@ -83,6 +87,11 @@ operators:
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* `command1 -a command2`, `command1 command2`: Logical AND.
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* `( command )`: Groups commands together for operator priority purposes.
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Commands which take a numeric argument `n` (`-links` and `-size` for example),
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may be prefixed by a plus sign ('+') or a minus sign ('-'). A plus sign means
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"grater than `n`", while a minus sign means "less than `n`". A numeric argument
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with no prefix means "exactly equal".
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## Examples
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```sh
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