Hi, I found an error in the info page for version 8.29.
As linked below, in the join(1) documentation, there is the following:
$ join -v 1 file1 file2 unpaired lines from the first file
b 1 (_difference_)
it should output
b 2
Martin Castillo
[1]:
https://www.gnu.org/software/coreutils/manual/html_node/Paired-and-unpaired-lines.html#Paired-and-unpaired-lines
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