This function will return an entry from the catalog fetched with ftpDirCatalogGet.
Names in the list are not sorted and are listed in the order received from the server.
Note:
The size of a directory is always 0.
Input:
ID : INT
The ID returned from ftpConnect.
Index : INT (1..64)
Index to be returned in the range of 1 to the value returned by ftpDirCatalogGet.
Output:
Name : STRING
File name.
Size : DINT
File size.
Returns: INT
2
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- Index is a directory.
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1
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- Index is a file.
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- 1
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- Catalog has not been fetched, see ftpDirCatalogGet.
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- 2
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- Invalid ID.
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- 3
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- Invalid index.
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- 4
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- Session is busy with another operation.
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- 5
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- FTP not open, use ftpOpen to open interface.
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- 10
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- Communication with server not possible
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Declaration:
FUNCTION ftpDirCatalog : INT;
VAR_INPUT
ID : INT;
Index : INT;
Name : ACCESS STRING;
Size : ACCESS DINT;
END_VAR;
Example:
INCLUDE rtcu.inc
PROGRAM example;
VAR
open : BOOL;
host : STRING := "ftp.domain.com";
usr : STRING := "ftpuser";
pwd : STRING := "user pwd";
id : INT;
count : INT;
rc, i : INT;
name : STRING;
size : DINT;
END_VAR;
gsmPower(power := ON);
gprsOpen();
BEGIN
open := (ftpOpen() = 0);
IF open THEN
id := ftpConnect(host := host, username := usr, password := pwd);
count := ftpDirCatalogGet(id := id);
FOR i := 1 TO count DO
rc := ftpDirCatalog(id := id, index := i, name := name, size := size);
CASE rc OF
1 : DebugFmt(message := "File name = '" + name +"' size = \4", v4 := size);
2 : DebugFmt(message := "Dir name = '" + name +"' size = \4", v4 := size);
END_CASE;
END_FOR;
ftpDisconnect(id := id);
END_IF;
ftpClose();
END;
END_PROGRAM;
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