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mattes/check.go

Last active June 6, 2026 21:11
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Check if file or directory exists in Golang
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check.go
if _, err := os.Stat("/path/to/whatever"); os.IsNotExist(err) {
// path/to/whatever does not exist
}
if _, err := os.Stat("/path/to/whatever"); !os.IsNotExist(err) {
// path/to/whatever exists
}
@lukemilby

lukemilby commented Jul 27, 2022

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I was here.

Thanks

@magicwarms

magicwarms commented Sep 5, 2022

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Thanks!

@BloodmageThalnos

BloodmageThalnos commented Sep 6, 2022

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shanks!

@stricklandye

stricklandye commented Dec 12, 2022

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haha, although it is trivial still helps a lot ,thanks!

@mayooot

mayooot commented Feb 19, 2024

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Thanks

@lazypwny751

lazypwny751 commented Jul 13, 2025

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thanks 👍

@Anhdao153

Anhdao153 commented Feb 11, 2026

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thanks

@LassePladsen

LassePladsen commented Jun 6, 2026 •
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NB: as the docs say, you should rather now use errors.Is(err, fs.ErrNotExist) instead of os.IsNotExist(err):

This function predates errors.Is. It only supports errors returned by the os package. New code should use errors.Is(err, fs.ErrNotExist).

https://pkg.go.dev/os#IsNotExist

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