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May 16, 2021 at 10:38 comment added Stéphane Chazelas The only way ${float%%.*} could be different from ${float%.*} would be if $float contained more than one occurrence of .. That still gives you 1 for 1.99, the empty string for .12 and 2 for 2.2e9, so it doesn't help at all. Also remember that parameter expansions must be quoted in list contexts in Bourne-like shells.
Oct 12, 2016 at 17:43 review Late answers
Oct 12, 2016 at 17:46
Oct 12, 2016 at 17:36 history edited user147505 CC BY-SA 3.0
added 19 characters in body
Oct 12, 2016 at 17:33 review First posts
Oct 12, 2016 at 17:36
Oct 12, 2016 at 17:24 history answered Jay Mayers CC BY-SA 3.0