Description Usage Arguments Examples
This infix function creates a normal assignment as side effect, but also checks the read in data against a previously cached SHA1 sum (if available), or creates the SHA1 sum in the first place. When SHA1 sums differ, a warning will be issued.
1 | x %<c-% value
|
x |
unquoted expression naming variable to create |
value |
unquoted expression to evaluate the first time |
1 2 3 4 | ## Not run:
x %<c-% read.csv("some_file.csv")
## End(Not run)
|
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