Editing Find (Unix) (section)

===Operators===
Operators can be used to enhance the expressions of the find command. Operators are listed in order of decreasing precedence:
* <code>( expr )</code>: forces precedence;
* <code>! expr</code>: true if {{code|expr}} is false;
* <code>expr1 expr2</code> (or <code>expr1 -a expr2</code>): AND. {{code|expr2}} is not evaluated if {{code|expr1}} is false;
* <code>expr1 -o expr2</code>: OR. {{code|expr2}} is not evaluated if {{code|expr1}} is true.

<syntaxhighlight lang="console">
$ find . -name 'fileA_*' -o -name 'fileB_*'
</syntaxhighlight>
This command searches the current working directory tree for files whose names start with {{code|fileA_}} or {{code|fileB_}}. We quote the {{code|fileA_*}} so that the shell does not expand it.

<syntaxhighlight lang="console">
$ find . -name 'foo.cpp' '!' -path '.svn'
</syntaxhighlight>
This command searches the current working directory tree except the subdirectory tree ".svn" for files whose name is "foo.cpp". We quote the <code>!</code> so that it's not interpreted by the shell as the history substitution character.