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| Original file line number | Diff line number | Diff line change |
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| // Copyright © 2016-2021 Wei Shen <[email protected]> | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "encoding/csv" | ||
| "fmt" | ||
| "regexp" | ||
| "runtime" | ||
| "time" | ||
|
|
||
| "github.com/araddon/dateparse" | ||
| "github.com/metakeule/fmtdate" | ||
| "github.com/shenwei356/xopen" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| // fmtdateCmd represents the replace command | ||
| var fmtdateCmd = &cobra.Command{ | ||
| Use: "fmtdate", | ||
| Short: "format date of selected fields", | ||
| Long: `format date of selected fields | ||
| Date parsing is supported by: https://github.com/araddon/dateparse | ||
| Date formating is supported by: https://github.com/metakeule/fmtdate | ||
| Time zones: | ||
| format: Asia/Shanghai | ||
| whole list: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones | ||
| Output format is in MS Excel (TM) syntax. | ||
| Placeholders: | ||
| M - month (1) | ||
| MM - month (01) | ||
| MMM - month (Jan) | ||
| MMMM - month (January) | ||
| D - day (2) | ||
| DD - day (02) | ||
| DDD - day (Mon) | ||
| DDDD - day (Monday) | ||
| YY - year (06) | ||
| YYYY - year (2006) | ||
| hh - hours (15) | ||
| mm - minutes (04) | ||
| ss - seconds (05) | ||
| AM/PM hours: 'h' followed by optional 'mm' and 'ss' followed by 'pm', e.g. | ||
| hpm - hours (03PM) | ||
| h:mmpm - hours:minutes (03:04PM) | ||
| h:mm:sspm - hours:minutes:seconds (03:04:05PM) | ||
| Time zones: a time format followed by 'ZZZZ', 'ZZZ' or 'ZZ', e.g. | ||
| hh:mm:ss ZZZZ (16:05:06 +0100) | ||
| hh:mm:ss ZZZ (16:05:06 CET) | ||
| hh:mm:ss ZZ (16:05:06 +01:00) | ||
| `, | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| config := getConfigs(cmd) | ||
| files := getFileListFromArgsAndFile(cmd, args, true, "infile-list", true) | ||
| if len(files) > 1 { | ||
| checkError(fmt.Errorf("no more than one file should be given")) | ||
| } | ||
| runtime.GOMAXPROCS(config.NumCPUs) | ||
|
|
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| timezone := getFlagString(cmd, "time-zone") | ||
| outfmt := getFlagString(cmd, "format") | ||
| keepUnparsed := getFlagBool(cmd, "keep-unparsed") | ||
|
|
||
| if timezone != "" { | ||
| loc, err := time.LoadLocation(timezone) | ||
| if err != nil { | ||
| checkError(fmt.Errorf("setting time zone: %s", err)) | ||
| } | ||
| time.Local = loc | ||
| } | ||
|
|
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| fieldStr := getFlagString(cmd, "fields") | ||
| if fieldStr == "" { | ||
| checkError(fmt.Errorf("flag -f (--fields) needed")) | ||
| } | ||
| fields, colnames, negativeFields, needParseHeaderRow, _ := parseFields(cmd, fieldStr, config.NoHeaderRow) | ||
| var fieldsMap map[int]struct{} | ||
| if len(fields) > 0 { | ||
| fields2 := make([]int, len(fields)) | ||
| fieldsMap = make(map[int]struct{}, len(fields)) | ||
| for i, f := range fields { | ||
| if negativeFields { | ||
| fieldsMap[f*-1] = struct{}{} | ||
| fields2[i] = f * -1 | ||
| } else { | ||
| fieldsMap[f] = struct{}{} | ||
| fields2[i] = f | ||
| } | ||
| } | ||
| fields = fields2 | ||
| } | ||
|
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| fuzzyFields := getFlagBool(cmd, "fuzzy-fields") | ||
|
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| outfh, err := xopen.Wopen(config.OutFile) | ||
| checkError(err) | ||
| defer outfh.Close() | ||
|
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| writer := csv.NewWriter(outfh) | ||
| if config.OutTabs || config.Tabs { | ||
| if config.OutDelimiter == ',' { | ||
| writer.Comma = '\t' | ||
| } else { | ||
| writer.Comma = config.OutDelimiter | ||
| } | ||
| } else { | ||
| writer.Comma = config.OutDelimiter | ||
| } | ||
|
|
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| for _, file := range files { | ||
| csvReader, err := newCSVReaderByConfig(config, file) | ||
| checkError(err) | ||
| csvReader.Run() | ||
|
|
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| parseHeaderRow := needParseHeaderRow // parsing header row | ||
| parseHeaderRow2 := needParseHeaderRow | ||
| var colnames2fileds map[string]int // column name -> field | ||
| var colnamesMap map[string]*regexp.Regexp | ||
|
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| checkFields := true | ||
|
|
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| var record2 []string // for output | ||
|
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| printMetaLine := true | ||
| for chunk := range csvReader.Ch { | ||
| checkError(chunk.Err) | ||
|
|
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| if printMetaLine && len(csvReader.MetaLine) > 0 { | ||
| outfh.WriteString(fmt.Sprintf("sep=%s\n", string(writer.Comma))) | ||
| printMetaLine = false | ||
| } | ||
|
|
||
| for _, record := range chunk.Data { | ||
| if parseHeaderRow { // parsing header row | ||
| colnames2fileds = make(map[string]int, len(record)) | ||
| for i, col := range record { | ||
| colnames2fileds[col] = i + 1 | ||
| } | ||
| colnamesMap = make(map[string]*regexp.Regexp, len(colnames)) | ||
| for _, col := range colnames { | ||
| if !fuzzyFields { | ||
| if negativeFields { | ||
| if _, ok := colnames2fileds[col[1:]]; !ok { | ||
| checkError(fmt.Errorf(`column "%s" not existed in file: %s`, col[1:], file)) | ||
| } | ||
| } else { | ||
| if _, ok := colnames2fileds[col]; !ok { | ||
| checkError(fmt.Errorf(`column "%s" not existed in file: %s`, col, file)) | ||
| } | ||
| } | ||
| } | ||
| if negativeFields { | ||
| colnamesMap[col[1:]] = fuzzyField2Regexp(col[1:]) | ||
| } else { | ||
| colnamesMap[col] = fuzzyField2Regexp(col) | ||
| } | ||
| } | ||
|
|
||
| if len(fields) == 0 { // user gives the colnames | ||
| fields = []int{} | ||
| for _, col := range record { | ||
| var ok bool | ||
| if fuzzyFields { | ||
| for _, re := range colnamesMap { | ||
| if re.MatchString(col) { | ||
| ok = true | ||
| break | ||
| } | ||
| } | ||
| } else { | ||
| _, ok = colnamesMap[col] | ||
| } | ||
| if ok { | ||
| fields = append(fields, colnames2fileds[col]) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fieldsMap = make(map[int]struct{}, len(fields)) | ||
| for _, f := range fields { | ||
| fieldsMap[f] = struct{}{} | ||
| } | ||
|
|
||
| parseHeaderRow = false | ||
| } | ||
| if checkFields { | ||
| for field := range fieldsMap { | ||
| if field > len(record) { | ||
| checkError(fmt.Errorf(`field (%d) out of range (%d) in file: %s`, field, len(record), file)) | ||
| } | ||
| } | ||
| fields2 := []int{} | ||
| for f := range record { | ||
| _, ok := fieldsMap[f+1] | ||
| if negativeFields { | ||
| if !ok { | ||
| fields2 = append(fields2, f+1) | ||
| } | ||
| } else { | ||
| if ok { | ||
| fields2 = append(fields2, f+1) | ||
| } | ||
| } | ||
| } | ||
| fields = fields2 | ||
| if len(fields) == 0 { | ||
| checkError(fmt.Errorf("no fields matched in file: %s", file)) | ||
| } | ||
| fieldsMap = make(map[int]struct{}, len(fields)) | ||
| for _, f := range fields { | ||
| fieldsMap[f] = struct{}{} | ||
| } | ||
|
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| record2 = make([]string, len(record)) | ||
|
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| checkFields = false | ||
| } | ||
|
|
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| if parseHeaderRow2 { // do not replace head line | ||
| checkError(writer.Write(record)) | ||
| parseHeaderRow2 = false | ||
| continue | ||
| } | ||
| for f := range record { | ||
| record2[f] = record[f] | ||
| if _, ok := fieldsMap[f+1]; ok { | ||
| t, err := dateparse.ParseLocal(record2[f]) | ||
| if err != nil { | ||
| if !keepUnparsed { | ||
| record2[f] = "" | ||
| } | ||
| // checkError(fmt.Errorf("fail to parse date: %s", err)) | ||
| } else { | ||
| record2[f] = fmtdate.Format(outfmt, t) | ||
| } | ||
| } | ||
| } | ||
| checkError(writer.Write(record2)) | ||
| } | ||
| } | ||
|
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| readerReport(&config, csvReader, file) | ||
| } | ||
| writer.Flush() | ||
| checkError(writer.Error()) | ||
| }, | ||
| } | ||
|
|
||
| func init() { | ||
| RootCmd.AddCommand(fmtdateCmd) | ||
| fmtdateCmd.Flags().StringP("fields", "f", "1", `select only these fields. e.g -f 1,2 or -f columnA,columnB`) | ||
| fmtdateCmd.Flags().BoolP("fuzzy-fields", "F", false, `using fuzzy fields, e.g., -F -f "*name" or -F -f "id123*"`) | ||
| fmtdateCmd.Flags().StringP("format", "", "YYYY-MM-DD hh:mm:ss", `output date format in MS Excel (TM) syntax, type "csvtk fmtdate -h" for details`) | ||
| fmtdateCmd.Flags().BoolP("keep-unparsed", "k", false, "keep the key as value when no value found for the key") | ||
| fmtdateCmd.Flags().StringP("time-zone", "z", "", `timezone aka "Asia/Shanghai" or "America/Los_Angeles" formatted time-zone, type "csvtk fmtdate -h" for details`) | ||
| } |
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