Merge a0342d7531 into bcbe6173c3

Note in the readme and flag that trimprefix accepts lists

README.md

@@ -7,9 +7,9 @@ This was again forked here as (https://github.com/dmarkham/enumer) picking up wh
 
 
 ```
-$ ./enumer --help
+$ enumer --help
 Enumer is a tool to generate Go code that adds useful methods to Go enums (constants with a specific type).
-Usage of ./enumer:
+Usage of enumer:
         Enumer [flags] -type T [directory]
         Enumer [flags] -type T files... # Must be a single package
 For more information, see:
@@ -34,7 +34,7 @@ Flags:
   -transform string
         enum item name transformation method. Default: noop (default "noop")
   -trimprefix string
-        transform each item name by removing a prefix. Default: ""
+        transform each item name by removing a prefix or comma separated list of prefixes. Default: ""
   -type string
         comma-separated list of type names; must be set
   -values
@@ -208,7 +208,8 @@ Possible transform values are listed above in the [transformers](#transformers)
 The default value for `transform` flag is `noop` which means no transformation will be performed.
 
 If a prefix is provided via the `trimprefix` flag, it will be trimmed from the start of each name (before
-it is transformed). If a name doesn't have the prefix it will be passed unchanged.
+it is transformed). You can trim multiple prefixes by passing a comma separated list.
+If a name doesn't have the prefix it will be passed unchanged.
 
 If a prefix is provided via the `addprefix` flag, it will be added to the start of each name (after trimming and after transforming).
 

stringer.go

@@ -18,7 +18,6 @@ import (
 	"go/importer"
 	"go/token"
 	"go/types"
-	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
@@ -53,7 +52,7 @@ var (
 	altValuesFunc   = flag.Bool("values", false, "if true, alternative string values method will be generated. Default: false")
 	output          = flag.String("output", "", "output file name; default srcdir/<type>_string.go")
 	transformMethod = flag.String("transform", "noop", "enum item name transformation method. Default: noop")
-	trimPrefix      = flag.String("trimprefix", "", "transform each item name by removing a prefix. Default: \"\"")
+	trimPrefix      = flag.String("trimprefix", "", "transform each item name by removing a prefix or comma separated list of prefixes. Default: \"\"")
 	addPrefix       = flag.String("addprefix", "", "transform each item name by adding a prefix. Default: \"\"")
 	linecomment     = flag.Bool("linecomment", false, "use line comment text as printed text when present")
 )
@@ -149,7 +148,7 @@ func main() {
 	}
 
 	// Write to tmpfile first
-	tmpFile, err := ioutil.TempFile(dir, fmt.Sprintf("%s_enumer_", typs[0]))
+	tmpFile, err := os.CreateTemp("", fmt.Sprintf("%s_enumer_", typs[0]))
 	if err != nil {
 		log.Fatalf("creating temporary file for output: %s", err)
 	}