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cat "$@" is not UUOC

This commit is contained in:
Vidar Holen 2014-10-18 19:59:13 -07:00
parent 90bafb9aba
commit 2814572116
1 changed files with 2 additions and 4 deletions
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6
ShellCheck/Analytics.hs
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@ -462,15 +462,13 @@ prop_checkUuoc1 = verify checkUuoc "cat foo | grep bar"
prop_checkUuoc2 = verifyNot checkUuoc "cat * | grep bar"
prop_checkUuoc3 = verify checkUuoc "cat $var | grep bar"
prop_checkUuoc4 = verifyNot checkUuoc "cat $var"
prop_checkUuoc5 = verifyNot checkUuoc "cat \"$@\""
checkUuoc _ (T_Pipeline _ _ (T_Redirecting _ _ cmd:_:_)) =
checkCommand "cat" (const f) cmd
where
f [word] = when (isSimple word) $
f [word] = unless (mayBecomeMultipleArgs word) $
style (getId word) 2002 "Useless cat. Consider 'cmd < file | ..' or 'cmd file | ..' instead."
f _ = return ()
isSimple (T_NormalWord _ parts) = all isSimple parts
isSimple (T_DollarBraced _ _) = True
isSimple x = not $ willSplit x
checkUuoc _ _ = return ()
prop_checkNeedlessCommands = verify checkNeedlessCommands "foo=$(expr 3 + 2)"