72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package goutil
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import (
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"errors"
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"io"
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"math"
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"os"
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"regexp"
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"time"
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"github.com/hako/durafmt"
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)
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func FilterToAlnum(input string) string {
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re := regexp.MustCompile("[^a-zA-Z0-9]+")
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return re.ReplaceAllString(input, "")
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}
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func TimeDiffHuman(first time.Time, second time.Time) string {
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if first.Before(second) {
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return durafmt.ParseShort(second.Sub(first)).String()
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} else {
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return durafmt.ParseShort(first.Sub(second)).String()
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}
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}
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// Does anyone else use uints for things that are always >=0 like counts and
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func TimeDiffAbsSeconds(first time.Time, second time.Time) uint {
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return uint(math.Abs(first.Sub(second).Truncate(time.Second).Seconds()))
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}
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func Mkdirp(p string) error {
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src, err := os.Stat(p)
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if os.IsNotExist(err) {
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errDir := os.MkdirAll(p, 0755)
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if errDir != nil {
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return err
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}
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return nil
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}
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if src.Mode().IsRegular() {
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return errors.New("file already exists at path")
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}
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return nil
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}
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// straight outta stackoverflow
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// https://stackoverflow.com/questions/21060945/simple-way-to-copy-a-file-in-golang
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func CopyFile(src, dst string) (err error) {
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in, err := os.Open(src)
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if err != nil {
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return
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}
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defer in.Close()
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out, err := os.Create(dst)
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if err != nil {
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return
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}
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defer func() {
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cerr := out.Close()
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if err == nil {
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err = cerr
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}
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}()
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if _, err = io.Copy(out, in); err != nil {
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return
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}
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err = out.Sync()
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return
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}
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