18.4.0 released Sep 25, 2023
Purpose: Copies one file to another.
copy-file <source file> to <target file> [ status [ define ] <status> ]
File <source file> is copied into <target file>, which is created if it does not exist.
Status can be obtained in <status> variable, which is VV_ERR_OPEN if cannot open source file, VV_ERR_CREATE if cannot create target file, VV_ERR_READ if cannot read source file, VV_ERR_WRITE if cannot write target file, or number of bytes copied (including 0) on success.
copy-file "/home/user/source_file" to "/home/user/target_file" status define st
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