Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

fileutils

package

Go to main page

Versions in this module

v0

v0.4.0

Sep 1, 2026

Changes in this version

+ func ValidateRelPath(path string) error

v0.3.0

Aug 11, 2026

v0.2.0

Jul 16, 2026

v0.1.0

Mar 18, 2026

Changes in this version

+ var ErrReadOnlyEmbedFS = errors.New("embed filesystem is read-only")

+ var ErrUnimplementedForEmbedFS = errors.New("operation unimplemented for embed filesystem")

+ func ComputeFileHash(fs opctx.FS, hashType HashType, filePath string) (string, error)

+ func CopyDirRecursive(dryRunnable opctx.DryRunnable, fs opctx.FS, sourceDirPath, destDirPath string, ...) (err error)

+ func CopyDirRecursiveCrossFS(dryRunnable opctx.DryRunnable, sourceFS opctx.FS, sourceDirPath string, ...) (err error)

+ func CopyFile(dryRunnable opctx.DryRunnable, fs opctx.FS, sourcePath, destPath string, ...) error

+ func CopyFileCrossFS(dryRunnable opctx.DryRunnable, sourceFS opctx.FS, sourcePath string, ...) (err error)

+ func DirExists(fs opctx.FS, path string) (bool, error)

+ func Exists(fs opctx.FS, path string) (bool, error)

+ func Glob(fs opctx.FS, pattern string, opts ...doublestar.GlobOption) ([]string, error)

+ func IsDirEmpty(fs opctx.FS, path string) (bool, error)

+ func MkdirAll(fs opctx.FS, path string) error

+ func MkdirTemp(fs opctx.FS, dir, pattern string) (string, error)

+ func MkdirTempInTempDir(fs opctx.FS, pattern string) (string, error)

+ func ReadDir(fs opctx.FS, name string) (entries []os.FileInfo, err error)

+ func ReadFile(fs opctx.FS, filename string) ([]byte, error)

+ func RemoveAllAndUpdateErrorIfNil(fs opctx.FS, path string, errorToUpdate *error)

+ func SkipExistingFiles(destFS opctx.FS, destPath string) (bool, error)

+ func SymLinkOrCopy(dryRunnable opctx.DryRunnable, fs opctx.FS, sourcePath, destPath string, ...) error

+ func ValidateFileHash(dryRunnable opctx.DryRunnable, fs opctx.FS, hashType HashType, filePath string, ...) error

+ func ValidateFilename(filename string) error

+ func WrapEmbedFS(embedFS *embed.FS) opctx.FS

+ func WriteFile(fs opctx.FS, path string, data []byte, perm os.FileMode) error

+ type CopyDirOptions struct

+ FileFilter func(destFS opctx.FS, destPath string) (bool, error)

+ type CopyFileOptions struct

+ PreserveFileMode bool

+ type FileUpdateWriter struct

+ func NewFileUpdateWriter(fs opctx.FS, destFilePath string) (result *FileUpdateWriter, err error)

+ func (a *FileUpdateWriter) Commit() (err error)

+ func (a *FileUpdateWriter) Write(p []byte) (n int, err error)

+ type HashType string

+ const HashTypeMD5

+ const HashTypeSHA256

+ const HashTypeSHA512