Convert a file to/from Base64
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- One of the use of base64 file is to convert binary files into text files and, for example, send them via mail.
- This is an example of what you get if you watch inside a base64 file
UEsDBAoAAAAAAEZcOFMAAAAAAAAAAAAAAAAIABwAdGVzdERpci9VVAkAA5ObTWHPn01hdXgLAAEE
6AMAAAToAwAAUEsDBAoAAAAAAERcOFMgMDo2BgAAAAYAAAARABwAdGVzdERpci90ZXN0MS50eHRV
VAkAA4+bTWGIm01hdXgLAAEE6AMAAAToAwAAaGVsbG8KUEsDBAoAAAAAAElcOFOQoBAeBwAAAAcA
AAARABwAdGVzdERpci90ZXN0Mi50eHRVVAkAA5qbTWGTm01hdXgLAAEE6AMAAAToAwAAaGVsbG8y
ClBLAQIeAwoAAAAAAEZcOFMAAAAAAAAAAAAAAAAIABgAAAAAAAAAEADtQQAAAAB0ZXN0RGlyL1VU
Encode a file into new file Base64
- The Linux/MacOSX way of doing such conversion is:
$> base64 foo.dat > foo.dat.b64
- In Cuis you do:
inFile _ '/home/p/foo.dat'. file64 _ '/home/p/foo.dat.b64'. rs1 _ inFile asFileEntry readStream useBytes. rs2 _ file64 asFileEntry forceWriteStream . Base64MimeConverter mimeEncode: rs1 to: rs2. rs1 close. rs2 close.
Decode a Base64 file into a new file
- You can do this in Linux/MacOSX with
$> base64 -d foo.dat.b64 > foo.dat
- In Cuis you do:
file64 _ '/home/p/foo.dat.b64'. outFile _ '/home/p/foo.dat'. rs1 _ file64 asFileEntry readStream. rs2 _ outFile asFileEntry forceWriteStream useBytes. Base64MimeConverter mimeDecode: rs1 to: rs2. rs1 close. rs2 close.