AddYamlExtension adds .yaml extension if not present if it has .yml extension, replace it with .yaml.

FileExists returns true if file exists.

FormatTime returns formatted time.

LogErr logs error if it's not nil.

MatchExtension returns true if extension matches.

MustGetUserHomeDir returns current working directory.

MustGetwd returns current working directory.

MustTempDir returns temporary directory.

OpenOrCreateFile opens file or creates it if it doesn't exist.

ParseTime parses time string.

SplitCommand splits command string to program and arguments.

SplitCommandWithParse splits command string to program and arguments.

TruncString TurnString returns truncated string.

ValidFilename makes filename valid by replacing reserved characters.