76 lines
1.9 KiB
Go
76 lines
1.9 KiB
Go
// (Re-)number the .go content files according to the
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// order in index.txt.
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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"regexp"
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"sort"
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"strings"
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)
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func minInt(a, b int) int {
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if a < b {
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return a
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}
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return b
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}
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func main() {
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// read names of source files
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sourceNames := make([]string, 0)
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sourceMap := make(map[string]string)
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fileInfos, dirErr := ioutil.ReadDir("./src")
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if dirErr != nil {
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panic(dirErr)
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}
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baseTrimmer, _ := regexp.Compile("^[0-9x]+-")
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for _, fi := range fileInfos {
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baseName := baseTrimmer.ReplaceAllString(fi.Name(), "")
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sourceNames = append(sourceNames, baseName)
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sourceMap[baseName] = fi.Name()
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}
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// read names from index
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indexBytes, idxErr := ioutil.ReadFile("tool/index.txt")
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if idxErr != nil {
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panic(idxErr)
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}
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indexNamesAll := strings.Split(string(indexBytes), "\n")
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indexNames := make([]string, 0)
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for _, indexName := range indexNamesAll {
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if indexName != "" && !strings.Contains(indexName, "#") && !strings.Contains(indexName, "~") {
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indexNames = append(indexNames, indexName)
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}
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}
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// sanity check two lists
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if len(sourceNames) != len(indexNames) {
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sort.Strings(sourceNames)
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sort.Strings(indexNames)
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for i := 0; i < minInt(len(sourceNames), len(indexNames)); i++ {
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fmt.Printf("%s %s\n", sourceNames[i], indexNames[i])
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}
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os.Exit(1)
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}
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for _, indexName := range indexNames {
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_, ok := sourceMap[indexName]
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if !ok {
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fmt.Printf("%s\n", indexName)
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os.Exit(1)
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}
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}
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// rename some stuff
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for index, indexName := range indexNames {
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oldName := sourceMap[indexName]
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newName := fmt.Sprintf("%03d-%s", index+1, indexName)
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if oldName != newName {
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os.Rename("src/"+oldName, "src/"+newName)
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}
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}
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}
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