BUILT-IN WOLFRAM LANGUAGE SYMBOL
writes definitions associated with a symbol to a file in internal Wolfram System format.
writes out definitions associated with all symbols in the specified context.
writes out definitions for several symbols or contexts.
chooses the name of the output file based on the computer system used.
- DumpSave writes out definitions in a binary format that is optimized for input by the Wolfram Language.
- Each file has a plain text header identifying its type and contents.
- Files written by DumpSave can be read by Get.
- Files written by DumpSave can only be read on the same type of computer system on which they were written.
- DumpSave will not preserve open stream and link objects.
- Files written by DumpSave conventionally have names that end with .mx.
- DumpSave["package`",…] writes a file with a name such as package.mx/(value of $SystemID)/package.mx.
- You can use DumpSave["file","s"] to write out the definition for the value of a symbol s itself.
- You can typically read a dump file when you start the Wolfram System by using the command‐line option.
Save all definitions for a function in a binary file:
Set the directory to a place for temporary files:
Save all definitions for f:
Clear definitions for f:
Restore the definitions for f from the file:
Reset to the original directory: