csvutil

package

v0.63.10 Latest Latest Go to latest Published: Apr 29, 2024 License: MIT Imports: 10 Imported by: 13

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Repository

github.com/grokify/mogo

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Documentation ¶

Index ¶

func FilterCSVFile(inPath, outPath string, inComma rune, ...) error
func MergeFilterCSVFiles(inPaths []string, outPath string, inComma rune, inStripBom bool, ...) error
func MergeFilterCSVFilesToJSONL(inPaths []string, outPath string, inComma rune, ...) error
func NewReader(rs io.ReadSeeker, comma rune) (*csv.Reader, error)
func NewReaderFile(path string, comma rune) (*csv.Reader, *os.File, error)
func NewWriterFile(filename string) (*csv.Writer, *os.File, error)
func ParseOneColListToGrid(lines []string, colCount int, validateLength bool) ([][]string, error)
func ReadCSVFileSingleColumnValuesString(filename string, sep rune, hasHeader, trimSpace bool, colIdx uint, ...) ([]string, error)
func ReadCSVFilesSingleColumnValuesString(files []string, sep rune, hasHeader, trimSpace bool, colIdx uint, ...) ([]string, error)
func ReadFileOneColListToGrid(filename string, colCount int, validateLength bool) ([][]string, error)
func TrimUTF8ByteOrderMarkString(s string) string
func WriteCSVFiltered(reader *csv.Reader, writer *csv.Writer, ...) error
func WriteFile(filename string, rows [][]string) error
type CSVHeader
type Writer
- func NewWriter(filepath, sep string, replaceSeparator bool, alt string) (Writer, error)
- func (w *Writer) AddLine(cells []any) error
- func (w *Writer) Close() error

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func FilterCSVFile ¶

func FilterCSVFile(inPath, outPath string, inComma rune, andFilter map[string]stringsutil.MatchInfo) error

func MergeFilterCSVFiles ¶

func MergeFilterCSVFiles(inPaths []string, outPath string, inComma rune, inStripBom bool, andFilter map[string]stringsutil.MatchInfo) error

MergeFilterCSVFiles can merge and filter multiple CSV files. It expects row definitions to be the same across all input files.

func MergeFilterCSVFilesToJSONL ¶

func MergeFilterCSVFilesToJSONL(inPaths []string, outPath string, inComma rune, andFilter map[string]stringsutil.MatchInfo) error

func NewReader ¶

func NewReader(rs io.ReadSeeker, comma rune) (*csv.Reader, error)

func NewReaderFile ¶

func NewReaderFile(path string, comma rune) (*csv.Reader, *os.File, error)

NewReaderFile will create a csv.Reader and optionally strip off the byte order mark (BOM) if requested. Close file reader with `defer f.Close()`.

func NewWriterFile ¶

func NewWriterFile(filename string) (*csv.Writer, *os.File, error)

func ParseOneColListToGrid ¶

func ParseOneColListToGrid(lines []string, colCount int, validateLength bool) ([][]string, error)

ParseOneColListToGrid parses a set of lines with one value per row.

func ReadCSVFileSingleColumnValuesString ¶

func ReadCSVFileSingleColumnValuesString(filename string, sep rune, hasHeader, trimSpace bool, colIdx uint, condenseUniqueSort bool) ([]string, error)

func ReadCSVFilesSingleColumnValuesString ¶

func ReadCSVFilesSingleColumnValuesString(files []string, sep rune, hasHeader, trimSpace bool, colIdx uint, condenseUniqueSort bool) ([]string, error)

func ReadFileOneColListToGrid ¶

func ReadFileOneColListToGrid(filename string, colCount int, validateLength bool) ([][]string, error)

ReadFileOneColListToGrid parses a file with one value per row.

func TrimUTF8ByteOrderMarkString ¶ added in v0.37.1

func TrimUTF8ByteOrderMarkString(s string) string

func WriteCSVFiltered ¶

func WriteCSVFiltered(reader *csv.Reader, writer *csv.Writer, andFilter map[string]stringsutil.MatchInfo, writeHeader bool) error

WriteCSVFiltered filters an existing CSV and writes the matching lines to a *csv.Writer.

func WriteFile ¶

func WriteFile(filename string, rows [][]string) error

WriteFile writes a `[][]string` to a file.

Types ¶

type CSVHeader ¶

type CSVHeader struct {
	Columns []string
}

func (*CSVHeader) Index ¶

func (ch *CSVHeader) Index(want string) int

func (*CSVHeader) RecordMatch ¶

func (ch *CSVHeader) RecordMatch(row []string, andFilter map[string]stringsutil.MatchInfo) (bool, error)

func (*CSVHeader) RecordToMSS ¶

func (ch *CSVHeader) RecordToMSS(row []string) map[string]string

type Writer ¶

type Writer struct {
	Separator        string
	StripRepeatedSep bool
	ReplaceSeparator bool
	SeparatorAlt     string
	File             *os.File
}

Writer is a struct for a CSV/TSV writer.

func NewWriter ¶

func NewWriter(filepath, sep string, replaceSeparator bool, alt string) (Writer, error)

NewWriter returns a Writer with the separator params set.

func (*Writer) AddLine ¶

func (w *Writer) AddLine(cells []any) error

AddLine adds an `any` to the file.

func (*Writer) Close ¶

func (w *Writer) Close() error

Close closes the file.

Source Files ¶

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