func executeDiff(cmd *cobra.Command, args []string) {
var (
err error
match *regexp.Regexp
ignore *regexp.Regexp
csvMap = make(map[string][]string)
fisList = make([]FileInfos, 0)
q = make(chan info)
wg = new(sync.WaitGroup)
)
if len(args) == 0 {
cmd.Help()
return
}
// Get glob file args.
args, err = core.GetGlobArgs(args)
if err != nil {
log.Fatalln(err)
}
// Recheck args.
if len(args) <= 1 {
cmd.Help()
return
}
// Load csv and store.
for _, csvPath := range args {
fmt.Println("Open:", csvPath)
c, err := os.Open(csvPath)
if err != nil {
log.Fatalln(err)
}
defer c.Close()
var reader *csv.Reader
if sjisIn {
reader = csv.NewReader(transform.NewReader(c, japanese.ShiftJIS.NewDecoder()))
} else {
reader = csv.NewReader(c)
}
reader.Comma = '\t'
// Skip header.
_, err = reader.Read()
if err != nil {
log.Fatalln(err)
}
left, err := reader.ReadAll()
if err != nil {
log.Fatalln(err)
}
// Change data to FileInfos struct.
fis := make(FileInfos, 0)
for _, r := range left {
fis = append(fis, *csvToFileInfo(r))
}
fisList = append(fisList, fis)
}
// Compile if given matches and ignores.
if len(matches) != 0 {
match, err = core.CompileStrs(matches)
if err != nil {
log.Fatalln(err)
}
}
if len(ignores) != 0 {
ignore, err = core.CompileStrs(ignores)
if err != nil {
log.Fatalln(err)
}
}
for i, one := range fisList {
wg.Add(1)
go func(i int, one FileInfos) {
defer wg.Done()
// Diff fileinfo.
for _, oneFi := range one {
if fileOnly && oneFi.Type == DIR {
continue
}
if dirOnly && oneFi.Type == FILE {
continue
}
// Ignore check.
if ignore != nil && ignore.MatchString(oneFi.Full) {
continue
}
// Match check.
if match != nil && !match.MatchString(oneFi.Full) {
continue
}
for j, other := range fisList {
if i == j {
continue
}
// Get other's same full path info.
otherFi, err := findFileInfo(other, oneFi)
if err == nil {
// Diff Time.
if oneFi.Time != otherFi.Time {
q <- info{
path: args[i],
index: i,
full: oneFi.Full,
diff: FileTime,
value: oneFi.Time,
ford: oneFi.Type,
}
}
// Diff Size.
if oneFi.Size != otherFi.Size {
q <- info{
path: args[i],
index: i,
full: oneFi.Full,
diff: FileSize,
value: oneFi.Size,
ford: oneFi.Type,
}
}
// Diff Mode.
if oneFi.Mode != otherFi.Mode {
q <- info{
path: args[i],
index: i,
full: oneFi.Full,
diff: FileMode,
value: oneFi.Mode,
ford: oneFi.Type,
}
}
} else {
q <- info{
path: args[i],
index: i,
full: oneFi.Full,
diff: FileFull,
value: oneFi.Full,
ford: oneFi.Type,
}
}
}
}
}(i, one)
}
// Async wait.
go func() {
wg.Wait()
close(q)
}()
// Receive diff and store to array.
for info := range q {
cnt++
if !silent {
fmt.Fprintf(os.Stderr, "Count: %d\r", cnt)
}
key := info.full + fmt.Sprint(info.diff)
if _, ok := csvMap[key]; ok {
csvMap[key][info.index+3] = info.value
} else {
s := make([]string, len(args)+3)
s[0] = info.full
s[1] = info.ford
s[2] = fmt.Sprint(info.diff)
s[info.index+3] = info.value
csvMap[key] = s
}
}
if len(csvMap) == 0 {
fmt.Println("There is no difference !")
return
}
// Output to csv.
os.MkdirAll(filepath.Dir(out), os.ModePerm)
c, err := os.Create(out)
if err != nil {
log.Fatalln(err)
}
defer c.Close()
var writer *csv.Writer
if sjisOut {
writer = csv.NewWriter(transform.NewWriter(c, japanese.ShiftJIS.NewEncoder()))
} else {
writer = csv.NewWriter(c)
}
writer.Comma = '\t'
writer.UseCRLF = true
// Write header.
err = writer.Write(append(strings.Split(DiffHeader, "\t"), args...))
if err != nil {
log.Fatalln(err)
}
// map to array.
var csvArray records
for _, v := range csvMap {
csvArray = append(csvArray, v)
}
// sort
if sorts == "" {
sorts = "0,2"
}
sort.Sort(csvArray)
for _, v := range csvArray {
err = writer.Write(v)
if err != nil {
log.Fatalln(err)
}
}
writer.Flush()
fmt.Printf("Write to [%s]. ([%d] row)\n", out, cnt)
}