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We make very careful considerations about the interface and operation of the GNU coreutils, but unfortunately due to backwards compatibility reasons, some behaviours or defaults of these utilities can be confusing.
This information will continue to be updated and overlaps somewhat with the coreutils FAQ, with this list focusing on less frequent potential issues.
Good tips and reminders for those who don't work mostly with a CLI (Command Line Interface).
[What has been YOUR biggest CLI gotcha? -Ed.]
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Not recommended for children.
(Score: 2) by Marand on Thursday December 03 2015, @06:43AM
Oh, it is, definitely. It's a huge potential gotcha though, I had moreutils installed for vipe (insert text editor into a pipe chain) and went to use parallel one day and the much-inferior moreutils parallel caused me no end of trouble. I figured out the problem, went to install the gnu one, and that opened a whole new can of worms with the conflicts. I decided parallel was more useful than all of moreutils, though, so I just tossed moreutils to the bin over the whole nonsense.
Still, It's nothing but pain if you don't realise, especially if you learn about parallel from a website or person that doesn't mention there's an inferior version floating around...