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Symbol/s to file or process symbol/s

hsym x     hsym[x]

Where x is a symbol atom or vector (since V3.1) returns the symbol/s prefixed with a colon if it does begin with one.

q)hsym`c:/q/test.txt                / file path to symbolic file handle
q)hsym`                 / IP address to symbolic handle
q)hsym `host:port`localhost:8001    / hostname to symbolic handle

q)hsym `abc`:def`::ghi

File system, Interprocess communication