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Warning for dirname/basename

This commit is contained in:
Vidar Holen 2012-11-28 21:06:58 -08:00
parent 089537afed
commit 3308ac9173
1 changed files with 8 additions and 4 deletions
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12
ShellCheck/Analytics.hs
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@ -70,7 +70,7 @@ basicChecks = [
,checkFindNameGlob
,checkGrepRe
,checkDollarArithmeticCommand
,checkExpr
,checkNeedlessCommands
,checkQuotedCondRegex
,checkForInCat
]
@ -180,10 +180,14 @@ checkUuoc (T_Pipeline _ (T_Redirecting _ _ f@(T_SimpleCommand id _ _):_:_)) =
_ -> return ()
checkUuoc _ = return ()
prop_checkExpr = verify checkExpr "foo=$(expr 3 + 2)"
checkExpr (T_SimpleCommand id _ (w:_)) | w `isCommand` "expr" =
prop_checkNeedlessCommands = verify checkNeedlessCommands "foo=$(expr 3 + 2)"
checkNeedlessCommands (T_SimpleCommand id _ (w:_)) | w `isCommand` "expr" =
style id "Use $((..)), ${} or [[ ]] in place of antiquated expr."
checkExpr _ = return ()
checkNeedlessCommands (T_SimpleCommand id _ (w:_)) | w `isCommand` "dirname" =
style id "Use parameter expansion instead, such as ${var%/*}."
checkNeedlessCommands (T_SimpleCommand id _ (w:_)) | w `isCommand` "basename" =
style id "Use parameter expansion instead, such as ${var##*/}."
checkNeedlessCommands _ = return ()
prop_checkPipePitfalls1 = verify checkPipePitfalls "foo | grep foo | awk bar"
prop_checkPipePitfalls2 = verifyNot checkPipePitfalls "foo | awk bar | grep foo"