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    This will fail given any special characters in filenames—even a space will cause it to fail, to say nothing of newlines or other trickery. See mywiki.wooledge.org/ParsingLs on why you shouldn't parse the output of ls. Commented Oct 27, 2015 at 5:01
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    What kind of undocumented for-loop construct is that? It doesn't work in dash, but works in bash and zsh. I vaguely remember seeing this syntax before, but it's been literally decades ago. Is it a ksh thing? It's really kind of neat, substitute { for do, and } for done. Commented Oct 27, 2015 at 6:08
  • I think its short form of for..do..done. It works in bash, and I didn't test it on any other shells. Commented Oct 27, 2015 at 6:12
  • @Soheil - Yes that's what I said. Where did you learn it? Commented Oct 27, 2015 at 6:47
  • @RobertL From my colleagues. Commented Oct 27, 2015 at 6:57