filesystem.tem

(page "File system operations"
(text "Arc has operations to manipulate files and directories.  These operations do not all work on non-Unix systems.  The I/O operations are closely related to MzScheme's <a
href='http://download.plt-scheme.org/doc/mzscheme/mzscheme-Z-H-11.html#node_chap_11'>I/O
operations</a>.
<p>See <a href='io.html'>I/O in Arc</a> for information on reading and writing files.")
(newtable ""
(def ensure-dir "path" "Creates the specified directory, if it doesn't exist." (tests (ensure-dir "newdir")))
  (op dir "path" "Returns the directory contents as a list."
    (tests (dir "mydir")))
  (op predicate dir-exists "path" "Tests if a directory exists."
    (tests (dir-exists "mydir"))) 
  (op predicate file-exists "path" "Tests if a file exists."
    (tests (file-exists "mydir")))
  (op mvfile "path" "Moves the specified file. New in arc3."
    (faketest "(mvfile \"/tmp/junk\" \"/tmp/newjunk\")" "nil"))
  (op rmfile "path" "Removes the specified file."
    (tests (rmfile "/tmp/newjunk")))
  (op rmfile "path" "Removes the specified file."
    (faketest "(rmfile \"oldfile\")" "nil"))
  )
)