resolve #259

Author: boyter

README.md

@@ -190,6 +190,7 @@ Command line usage of `scc` is designed to be as simple as possible.
 Full details can be found in `scc --help` or `scc -h`. Note that the below reflects the state of master not a release.
 
 ```
+$ scc -h
 Sloc, Cloc and Code. Count lines of code in a directory with complexity estimation.
 Version 3.0.0
 Ben Boyter <[email protected]> + Contributors
@@ -204,8 +205,11 @@ Flags:
       --ci                           enable CI output settings where stdout is ASCII
       --cocomo-project-type string   change COCOMO model type [organic, semi-detached, embedded, "custom,1,1,1,1"] (default "organic")
       --count-as string              count extension as language [e.g. jsp:htm,chead:"C Header" maps extension jsp to html and chead to C Header]
+      --currency-symbol string       set currency symbol (default "$")
       --debug                        enable debug output
+      --eaf float                    the effort adjustment factor derived from the cost drivers (1.0 if rated nominal) (default 1)
       --exclude-dir strings          directories to exclude (default [.git,.hg,.svn])
+  -x, --exclude-ext strings          ignore file extensions (overrides include-ext) [comma separated list: e.g. go,java,js]
       --file-gc-count int            number of files to parse before turning the GC on (default 10000)
   -f, --format string                set output format [tabular, wide, json, csv, csv-stream, cloc-yaml, html, html-table, sql, sql-insert, openmetrics] (default "tabular")
       --format-multi string          have multiple format output overriding --format [e.g. tabular:stdout,csv:file.csv,json:file.json]
@@ -232,9 +236,11 @@ Flags:
       --no-size                      remove size calculation output
   -M, --not-match stringArray        ignore files and directories matching regular expression
   -o, --output string                output filename (default stdout)
+      --overhead float               set the overhead multiplier for corporate overhead (facilities, equipment, accounting, etc.) (default 2.4)
       --remap-all string             inspect every file and remap by checking for a string and remapping the language [e.g. "-*- C++ -*-":"C Header"]
       --remap-unknown string         inspect files of unknown type and remap by checking for a string and remapping the language [e.g. "-*- C++ -*-":"C Header"]
       --size-unit string             set size unit [si, binary, mixed, xkcd-kb, xkcd-kelly, xkcd-imaginary, xkcd-intel, xkcd-drive, xkcd-bakers] (default "si")
+      --sloccount-format             print a more SLOCCount like COCOMO calculation
   -s, --sort string                  column to sort by [files, name, lines, blanks, code, comments, complexity] (default "files")
       --sql-project string           use supplied name as the project identifier for the current run. Only valid with the --format sql or sql-insert option
   -t, --trace                        enable trace output (not recommended when processing multiple files)

SCC-OUTPUT-REPORT.html

@@ -12,12 +12,12 @@
 	<tbody><tr>
 		<th>Go</th>
 		<th>36</th>
-		<th>8899</th>
-		<th>1431</th>
-		<th>422</th>
-		<th>7046</th>
-		<th>1419</th>
-		<th>352051</th>
+		<th>8927</th>
+		<th>1434</th>
+		<th>425</th>
+		<th>7068</th>
+		<th>1426</th>
+		<th>352771</th>
 	</tr><tr>
 		<th>Java</th>
 		<th>24</th>
@@ -93,12 +93,12 @@
 	</tr><tr>
 		<th>Shell</th>
 		<th>3</th>
-		<th>1097</th>
-		<th>145</th>
+		<th>1110</th>
+		<th>146</th>
 		<th>85</th>
-		<th>867</th>
-		<th>97</th>
-		<th>39410</th>
+		<th>879</th>
+		<th>99</th>
+		<th>39752</th>
 	</tr><tr>
 		<th>C#</th>
 		<th>2</th>
@@ -607,11 +607,11 @@
 	<tfoot><tr>
 		<th>Total</th>
 		<th>176</th>
-		<th>26727</th>
-		<th>3028</th>
-		<th>1758</th>
-		<th>21941</th>
-		<th>2403</th>
-    	<th>1808690</th>
+		<th>26768</th>
+		<th>3032</th>
+		<th>1761</th>
+		<th>21975</th>
+		<th>2412</th>
+    	<th>1809752</th>
 	</tr></tfoot>
 	</table></body></html>

main.go

@@ -96,6 +96,13 @@ func main() {
 		[]string{},
 		"limit to file extensions [comma separated list: e.g. go,java,js]",
 	)
+	flags.StringSliceVarP(
+		&processor.ExcludeListExtensions,
+		"exclude-ext",
+		"x",
+		[]string{},
+		"ignore file extensions (overrides include-ext) [comma separated list: e.g. go,java,js]",
+	)
 	flags.BoolVarP(
 		&processor.Languages,
 		"languages",

processor/file.go

@@ -246,6 +246,7 @@ func newFileJob(path, name string, fileInfo os.FileInfo) *FileJob {
 	language, extension := DetectLanguage(name)
 
 	if len(language) != 0 {
+		// check if extensions in the allow list, which should limit to just those extensions
 		if len(AllowListExtensions) != 0 {
 			ok := false
 			for _, x := range AllowListExtensions {
@@ -262,6 +263,23 @@ func newFileJob(path, name string, fileInfo os.FileInfo) *FileJob {
 			}
 		}
 
+		// check if we should exclude this type
+		if len(ExcludeListExtensions) != 0 {
+			ok := true
+			for _, x := range ExcludeListExtensions {
+				if x == extension {
+					ok = false
+				}
+			}
+
+			if !ok {
+				if Verbose {
+					printWarn(fmt.Sprintf("skipping file as in exclude list: %s", name))
+				}
+				return nil
+			}
+		}
+
 		for _, l := range language {
 			LoadLanguageFeature(l)
 		}

processor/processor.go

@@ -146,6 +146,9 @@ var FileSummaryJobQueueSize = runtime.NumCPU()
 // AllowListExtensions is a list of extensions which are allowed to be processed
 var AllowListExtensions = []string{}
 
+// ExcludeListExtensions is a list of extensions which should be ignored
+var ExcludeListExtensions = []string{}
+
 // AverageWage is the average wage in dollars used for the COCOMO cost estimate
 var AverageWage int64 = 56286
 

test-all.sh

@@ -848,6 +848,19 @@ else
     echo -e "${GREEN}PASSED examples exclude-dir check"
 fi
 
+a=$(./scc --exclude-ext go)
+b=$(./scc)
+if [ "$a" == "$b" ]; then
+    echo "$a"
+    echo "$b"
+    echo -e "${RED}======================================================="
+    echo -e "FAILED exclude-ext check"
+    echo -e "=================================================${NC}"
+    exit
+else
+    echo -e "${GREEN}PASSED exclude-ext check"
+fi
+
 # Try out specific languages
 for i in 'Bosque ' 'Flow9 ' 'Bitbucket Pipeline ' 'Docker ignore ' 'Q# ' 'Futhark ' 'Alloy ' 'Wren ' 'Monkey C ' 'Alchemist ' 'Luna ' 'ignore ' 'XML Schema ' 'Web Services' 'Go ' 'Java ' 'Boo ' 'License ' 'BASH ' 'C Shell ' 'Korn Shell ' 'Makefile ' 'Shell ' 'Zsh ' 'Rakefile ' 'Gemfile ' 'Dockerfile ' 'Yarn ' 'Sieve ' 'F# ' 'Elm ' 'Terraform ' 'Clojure ' 'C# ' 'LLVM IR ' 'HAML ' 'FXML ' 'DM ' 'Nushell ' 'Racket ' 'DOT '
 do