Don't suggest removing $ in (( ${COLUMNS-80} ))

2016-07-30 10:42:33 -07:00 · 2016-07-30 10:42:33 -07:00 · 6a71ff6f46
parent 36263fb3f5
commit 6a71ff6f46
1 changed files with 1 additions and 1 deletions
--- a/ShellCheck/Analytics.hs
+++ b/ShellCheck/Analytics.hs
@ -1369,7 +1369,7 @@ checkArithmeticDeref params t@(TA_Expansion _ [b@(T_DollarBraced id _)]) =
    unless (isException $ bracedString b) getWarning
  where
    isException [] = True
-    isException s = any (`elem` "/.:#%?*@$") s || isDigit (head s)
+    isException s = any (`elem` "/.:#%?*@$-") s || isDigit (head s)
    getWarning = fromMaybe noWarning . msum . map warningFor $ parents params t
    warningFor t =
        case t of