72 lines
1.3 KiB
Go
72 lines
1.3 KiB
Go
package main
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import (
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e "codeberg.org/pebbe/errors"
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"bufio"
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"os"
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"regexp"
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"strings"
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)
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var (
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x = e.ExitErr
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reFile = regexp.MustCompile(`(.*)(2[0-9][0-9][0-9]\.[0-5][0-9])(.*)`)
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seen = make(map[string]bool)
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)
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func main() {
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m := reFile.FindStringSubmatch(os.Args[1])
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infile := m[0]
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prefix := m[1]
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suffix := m[3] + ".t20"
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target := infile + ".t20"
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dirs, err := os.ReadDir("..")
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x(err)
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for _, dir := range dirs {
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if !dir.IsDir() {
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continue
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}
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dirname := dir.Name()
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if dirname[0] != '2' {
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continue
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}
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files, err := os.ReadDir("../" + dirname)
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x(err)
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for _, file := range files {
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name := file.Name()
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if strings.HasPrefix(name, prefix) && strings.HasSuffix(name, suffix) && name < target {
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fp, err := os.Open("../" + dirname + "/" + name)
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x(err)
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scanner := bufio.NewScanner(fp)
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for scanner.Scan() {
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seen[strings.Split(scanner.Text(), "\t")[1]] = true
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}
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x(scanner.Err())
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x(fp.Close())
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}
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}
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}
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fpin, err := os.Open(infile)
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x(err)
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fpout, err := os.Create(target)
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x(err)
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scanner := bufio.NewScanner(fpin)
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n := 0
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for scanner.Scan() && n < 20 {
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line := scanner.Text()
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w := strings.Split(line, "\t")[1]
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if seen[w] {
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continue
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}
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n++
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x(fpout.WriteString(line + "\n"))
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}
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x(scanner.Err())
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x(fpout.Close())
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x(fpin.Close())
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}
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