Computer Science Canada

File In Use

Author:	uberwalla [ Tue Dec 19, 2006 6:59 pm ]
Post subject:	File In Use
Hey I was just wondering if there is a way to tell through turing if there is a file in use. just to give an example of what i mean. You go to delete your c:/ drive but and then it stops and says file in use. is there a way to tell if a file is/ isnt in use?

Author:

ericfourfour [ Tue Dec 19, 2006 7:43 pm ]

Post subject:

Since you cannot delete a file that is in use this program might do the trick. This is straight out of the manual at File.Delete.

code:

% The "File.Delete" program.
const pathName : string := "myfile.txt"

% Create file
var f : int
var line : string
open : f, pathName, put
put : f, "There is a line here"
close : f
put pathName, " created"

% Delete the file
File.Delete (pathName)
if Error.Last = eNoError then
put skip, pathName, " deleted"
else
put skip, "Did not delete ", pathName
put "Error: ", Error.LastMsg
end if

Author:	uberwalla [ Tue Dec 19, 2006 7:49 pm ]
Post subject:
ok thx. i think that works i dont wanna actually test it on one of my files because it might not be in use but ok ty

Author:	uberwalla [ Tue Dec 19, 2006 7:53 pm ]
Post subject:
ok sorry for double post but for some reason the help section (of all forums ) doesnt have edit button anyways when u said skip was an actual command so i looked it up in reference to get its actual definition in full. my question is: if i were to delete many files at once using turing; this say: 1.txt, 2.txt, and 3.txt if 1.txt was in use would the skip command tell it to skip to the next file (2.txt)? because in skips definition it says that it just skips a line. like the "/n" in front of text in quotations does. thx.

Author:	Clayton [ Tue Dec 19, 2006 8:09 pm ]
Post subject:
No, skip would not skip that file. Like the help manual says, it simply skips a line in the run window. If you wanted to skip a file, just use an if statement.

Author:	uberwalla [ Tue Dec 19, 2006 8:20 pm ]
Post subject:
thats the problem i dont know how lol is there a command that skips a file? like if filename = inUse then File.Skip (filename)????? end if it doesnt work but is there a command like that especially the inuse one would be most useful lol

Author:	Tony [ Tue Dec 19, 2006 8:31 pm ]
Post subject:
you just have to catch the error / exception, and continue on with the loop

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