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new commmand: fix-quotes, del-qoutes. #260
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| // Copyright © 2016-2023 Wei Shen <shenwei356@gmail.com> | ||
| // | ||
| // 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 ( | ||
| "fmt" | ||
| "runtime" | ||
| "strings" | ||
| "unicode" | ||
| "unicode/utf8" | ||
|
|
||
| "github.com/shenwei356/xopen" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
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| // delQuotesCmd represents the csv2tab command | ||
| var delQuotesCmd = &cobra.Command{ | ||
| Use: "del-quotes", | ||
| Short: "remove extra double quotes added by 'fix-quotes'", | ||
| Long: `remove extra double quotes added by 'fix-quotes' | ||
| Limitation: | ||
| 1. Values containing line breaks are not supported. | ||
| `, | ||
| 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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| outfh, err := xopen.Wopen(config.OutFile) | ||
| checkError(err) | ||
| defer outfh.Close() | ||
|
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| if config.Tabs { | ||
| config.Delimiter = '\t' | ||
| } | ||
|
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| file := files[0] | ||
| csvReader, err := newCSVReaderByConfig(config, file) | ||
| if err != nil { | ||
| if err == xopen.ErrNoContent { | ||
| log.Warningf("csvtk csv2tab: skipping empty input file: %s", file) | ||
| return | ||
| } | ||
| checkError(err) | ||
| } | ||
|
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| csvReader.Read(ReadOption{ | ||
| FieldStr: "1-", | ||
| ShowRowNumber: config.ShowRowNumber, | ||
| }) | ||
|
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| d := string(config.Delimiter) | ||
| var i int | ||
| var v string | ||
| for record := range csvReader.Ch { | ||
| if record.Err != nil { | ||
| checkError(record.Err) | ||
| } | ||
| for i, v = range record.Selected { | ||
| // if fieldNeedsQuotes(v, config.Delimiter) { | ||
| if strings.Contains(v, d) { | ||
| record.Selected[i] = `"` + v + `"` | ||
| } | ||
| } | ||
| outfh.WriteString(strings.Join(record.Selected, d)) | ||
| outfh.WriteByte('\n') | ||
| } | ||
|
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| readerReport(&config, csvReader, file) | ||
| }, | ||
| } | ||
|
|
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| func init() { | ||
| RootCmd.AddCommand(delQuotesCmd) | ||
| } | ||
|
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| // copy from https://cs.opensource.google/go/go/+/refs/tags/go1.21.4:src/encoding/csv/writer.go;l=157 | ||
| func fieldNeedsQuotes(field string, comma rune) bool { | ||
| if field == "" { | ||
| return false | ||
| } | ||
|
|
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| if field == `\.` { | ||
| return true | ||
| } | ||
|
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| if comma < utf8.RuneSelf { | ||
| for i := 0; i < len(field); i++ { | ||
| c := field[i] | ||
| if c == '\n' || c == '\r' || c == '"' || c == byte(comma) { | ||
| return true | ||
| } | ||
| } | ||
| } else { | ||
| if strings.ContainsRune(field, comma) || strings.ContainsAny(field, "\"\r\n") { | ||
| return true | ||
| } | ||
| } | ||
|
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| r1, _ := utf8.DecodeRuneInString(field) | ||
| return unicode.IsSpace(r1) | ||
| } |
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