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develop
pkg/fs/filepath.go
63 строки
2 KB
Michael Mayer
Library: Stack sidecar files with vendor specific naming schemes #2983
21 окт 2023, 16:02
21 окт 2023, 16:02
09f8a58
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package fs import ( "path/filepath" "strconv" "strings" ) // StripSequence removes common sequence patterns at the end of file names. func StripSequence(fileName string) string { if fileName == "" { return "" } // Strip numeric extensions like .00000, .00001, .4542353245,.... (at least 5 digits). if dot := strings.LastIndex(fileName, "."); dot != -1 && len(fileName[dot+1:]) >= 5 { if i, err := strconv.Atoi(fileName[dot+1:]); err == nil && i >= 0 { fileName = fileName[:dot] } } // Other common sequential naming schemes. if end := strings.Index(fileName, "("); end != -1 { // Copies created by Chrome & Windows, example: IMG_1234 (2). fileName = fileName[:end] } else if end := strings.Index(fileName, " copy"); end != -1 { // Copies created by OS X, example: IMG_1234 copy 2. fileName = fileName[:end] } fileName = strings.TrimSpace(fileName) return fileName } // BasePrefix returns the filename base without any extensions and path. func BasePrefix(fileName string, stripSequence bool) string { fileBase := StripKnownExt(StripExt(filepath.Base(fileName))) if !stripSequence { return fileBase } return StripSequence(fileBase) } // RelPrefix returns the relative filename. func RelPrefix(fileName, dir string, stripSequence bool) string { if name := RelName(fileName, dir); name != "" { return AbsPrefix(name, stripSequence) } return BasePrefix(fileName, stripSequence) } // AbsPrefix returns the directory and base filename without any extensions. func AbsPrefix(fileName string, stripSequence bool) string { if fileName == "" { return "" } return filepath.Join(filepath.Dir(fileName), BasePrefix(fileName, stripSequence)) }