mdfRemoveAttachment
Description
mdfRemoveAttachment(
removes the mdfFileName
, attachmentFile
)attachmentFile
from the specified
mdfFileName
.
To remove multiple files, call this function separately for each file.
Note
This function does not support MDF3 files.
Examples
Remove Attachment from MDF File
Identify the files attached to an MDF file and remove the unwanted one.
List the attached files from the MDF file information struct.
info = mdfInfo("MDFFile.mf4");
info.Attachment.Name
ans = 'inv_prelim.txt' ans = 'inv_final.txt' ans = 'inv_temp.txt'
Remove the unwanted attachment.
mdfRemoveAttachment("MDFFile.mf4","inv_temp.txt")
Input Arguments
mdfFileName
— MDF file name
string | char
MDF file name, specified as a string or character vector, to remove the attachment from. The file name can be a relative or absolute path.
Depending on the location you are accessing,
mdfFileName
can take one of these forms.
Location | Form | ||||||||
---|---|---|---|---|---|---|---|---|---|
Current folder or MATLAB® path | To access a file in the current folder or MATLAB path, specify the
name of the file in Example:
| ||||||||
Other folders | To access a file in a folder other than the current folder, specify
the full or relative path name in
Example:
Example:
| ||||||||
Remote locations | To access a file in a remote location,
Based on the remote location,
For more information, see Work with Remote Data. Example:
|
Example: "MDF_25Dec.mf4"
Data Types: char
| string
attachmentFile
— File to be removed
string | char
File to be removed, specified as a string or character vector. To precisely identify
the attachment to remove, the specified file name string must exactly match the
attachment name as stored in the MDF file, which can be found in the
Attachment.Name
field of the file information struct returned by
mdfInfo
.
Example: "Inv_MDF_25Dec.txt"
Data Types: char
| string
Version History
Introduced in R2022aR2023a: Support for Remote File URLs
You can directly access MDF file data stored at remote locations, including Amazon S3, Azure® Blob Storage, and HDFS.
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