Bk-precision 2552-2559 - Programming Manual Uživatelský manuál stáhnout pdf (Strana 39)

DESCRIPTION The DIRECTORY command is used to manage

the creation and deletion of file directories on

mass storage devices. It also allows selection of

the current working directory and listing of

files in the directory.

The query response consists of a double-quoted

string containing a DOS-like listing of the

directory.

COMMAND SYNTAX Directory DISK, <device>, ACTION, <action>,

‘<directory>’

QUERY SYNTAX Directory? DISK, <device> [, ‘<directory>’]

<device>：={UDSK}

<action>：={CREATE, DELETE}

< directory >：= A legal DOS path or filename.

(This can include the ‘/’ character to define the

root directory.)

RESPONSE FORMAT DIRectory DISK, <device> “<directory>”

EXAMPLE The following asks for a listing of the directory of

a USB memory device:

Command message:

DIR? DISK, UDSK

Response message:

DIRectory DISK, UDSK,"A:

BK1000

BK1000AA

BB.SET 2.00 KB

BK00001.SET 2.00 KB

BK00002.SET 2.00 KB

3 File(s), 2 DIR(s)

RELATED COMMANDS DELF

MASS STORAGE

DIRECTORY, DIR

Command /Query

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 139 140

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Bk-precision 2552-2559 - Programming Manual Uživatelský manuál Strana 39