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Read some data and interpret them as container.

Component Version macOS Windows Linux Server iOS SDK
BinaryFile 7.3 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "BinaryFile.ReadContainer"; BinaryFileRef; ByteCount; Filename )   More


Parameter Description Example
BinaryFileRef The reference number for the open file. $FH
ByteCount The number of Bytes to read. 1000
Filename File name to use for container value.
This is used to detect type of container.


Returns value or error.


Read some data and interpret them as container.
Depending on given file name, you get back a PDF, image, video or data container.
See also BinaryFile.WriteContainer for writing.


Read a JPEG:

Set Variable [ $fh ; Value: MBS( "BinaryFile.Open"; "/Users/cs/Desktop/test.jpg" ) ]
Set Variable [ $len ; Value: MBS("BinaryFile.Length"; $fh) ]
Set Variable [ $image ; Value: MBS( "BinaryFile.ReadContainer"; $fh; $len; "test.jpg" ) ]
Set Field [ test::ContainerField ; $image ]
Set Variable [ $r ; Value: MBS( "BinaryFile.Close"; $fh) ]

See also

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This function checks for a license.

Created 12nd June 2017, last changed 12nd June 2017

BinaryFile.ReadByte - BinaryFile.ReadFloat