45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
// Renumber 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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"strings"
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"regexp"
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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("./")
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if dirErr != nil { panic(dirErr) }
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baseTrimmer, _ := regexp.Compile("([0-9x]+-)|(.go)")
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for _, fi := range fileInfos {
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baseName := baseTrimmer.ReplaceAllString(fi.Name(), "")
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if baseName != ".git" && baseName != "tool" && baseName != "README.md" {
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sourceNames = append(sourceNames, baseName)
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sourceMap[baseName] = fi.Name()
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}
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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 { panic (idxErr) }
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indexNames := strings.Split(string(indexBytes), "\n")
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// sanity check two lists
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if len(sourceNames) != len(indexNames) {
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panic("mismatched names")
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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("%d-%s.go", index+1, indexName)
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os.Rename(oldName, newName)
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}
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}
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