Prints value to an opened file, preceded by the calling agent, and followed by a carriage return. (The calling agent is included to help you keep track of what agents are producing which lines of output.) Also, all strings have their quotes included similar to file-write.
Note that this command is the file i/o equivalent of show, and file-open needs to be called before this command can be used.
See also file-print, file-type, and file-write.
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