File-oriented Expressions

Usage:

-option filename

where 1 (true) is returned if selected option is true, and 0 (false) otherwise



-r filename Test if filename can be read
-e filename Test if filename exists
-d filename Test if filename is a directory
-w filename Test if filename can be written to
-x filename Test if filename can be executed
-o filename Test if you are the owner of filename

• See Wang, table 7.2 (page 199) for more

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