25 lines
541 B
Go
25 lines
541 B
Go
package fs
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import (
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"os"
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"strings"
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)
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// RelativeName returns the file name relative to directory.
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func RelativeName(fileName, dir string) string {
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if fileName == dir {
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return ""
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}
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if index := strings.Index(fileName, dir); index == 0 {
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if index := strings.LastIndex(dir, string(os.PathSeparator)); index == len(dir)-1 {
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pos := len(dir)
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return fileName[pos:]
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} else if index := strings.LastIndex(dir, string(os.PathSeparator)); index != len(dir) {
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pos := len(dir) + 1
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return fileName[pos:]
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}
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}
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return fileName
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}
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