MDO3000 Programmer Manual.pdf - 第351页

Commands Listed in Alphabetical Order Group File System Syntax FILESystem:DI R? Related Commands FILESystem:CWD , FILESystem:MKDir Arguments None Returns FILESystem:DI R? returns a list of files and directories i n the cu…

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Commands Listed in Alphabetical Order
Syntax
FILESystem:CW
D {<new working directory path>}
Arguments
<new wo rking directory path> is a quoted string that defines the current
working; a directory name can be up to 128 characters.
Examples
FILESYSTEM:CWD "E:/TekScope/images" sets the current working directory
to images.
FILESYSTEM:CWD? might return
:FILESYSTEM:CWD "E:/TekScope/Waveforms" indicating that the current
working directory is set to Waveforms.
FILESystem:DELEte (No Query Form)
This command deletes a named file. If you specify a directory name, it will delete
the directory and all of its contents, the same as the RMDir command. You can
also specify the filename as *.* to delete all of the files in the current or specified
directory.
Group
File System
Syntax
FILESystem:DELEte <file path>
Related Commands
FILESystem:CWD
FILESystem:RMDir
Arguments
<file p ath> is a quoted string that defines the file name and path. If the file
path is within the current working directory, you need only specify the file name.
The argument
*.* will delete all files and subdirectories within the current
working directory.
Examples
FILESYSTEM:DELETE "NOT_MINE.SET" deletes the file named
NOT_MINE.SET from the current working directory.
FILESystem:DIR? (Query Only)
Returns a list of quoted strings. Each string contains the name of a file or directory
in the current working directory.
2-320 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
Commands Listed in Alphabetical Order
Group
File System
Syntax
FILESystem:DIR?
Related Commands
FILESystem:CWD,
FILESystem:MKDir
Arguments
None
Returns
FILESystem:DIR? returns a list of files and directories in the current working
directory.
Examples
FILESYSTEM:DIR? might return
:FILESYSTEM:DIR
"tek00000.png","my_CAN_setup.set","savedWfm1.isf","myImages"
FILESystem:FORMat (No Query Form )
Formats a mass storage device. This command should be used with extreme
caution as it causes all data on the specified mass storage device to be lost.
Drive letters (e.g., E:) are case sensitive and must be upper case. For all other
FILESYSTEM commands, drives letters are not case sensitive. Example:
FILES:FORMAT "E:/" Formats the USB flash drive installed in the oscilloscope's
front panel USB port.
Group
File System
Syntax
FILESystem:FORMat
Arguments
<drive name> is a quoted string that defines the disk drive to format.
Examples
FILESYSTEM:FORMAT "E:/" formats the USB flash drive installed in the
oscilloscope's front panel USB port.
FILESystem:FREESpace? (Query Only)
Returns the number of bytes of free space on the current drive.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-321
Commands Listed in Alphabetical Order
Group
File System
Syntax
FILESystem:FREESpace?
Related Commands
FILESystem:FREESpace?,
FILESystem:CWD
FILESystem:LDIR? (Query Only)
Returns a semicolon separated list of every file and directory in the folder
referred to by the FILESystem:CWD command. This is different than the
FILESystem:DIR? query in that it provides a long output format with the file size,
type, and modification date/time. Each entry is a semicolon separated list:
<file name>;<type DIR or FILE>;<size in bytes>;<date>;<time>
Group
File System
Syntax
FILESystem:LDIR?
Related Commands
FILESystem:CWD,
FILESystem:DIR?
Returns
A string of the form: <file name>;<type DIR or FILE>;<size in
bytes>;<date>;<time>
Examples
FILESYSTEM:LDIR? might return :FILESYSTEM:LDIR
".;DIR;4096;2007-06-22;14:13:43";"tek0000CH1.isf;FILE;
20342;2009-05-21;13:58:24";"TEMP;DIR;4096;2009-09-15;06:20:4 4"
FILESystem:MKDir (No Query Form)
Creates a new folder.
Group
File System
Syntax
FILESystem:MKDir <directory path>
2-322 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual