package user Import Path os/user (on golang.org and go.dev) Dependency Relation imports 10 packages, and imported by one packageInvolved Source Files lookup.go lookup_stubs.go lookup_unix.go Package user allows user account lookups by name or id. For most Unix systems, this package has two internal implementations of resolving user and group ids to names. One is written in pure Go and parses /etc/passwd and /etc/group. The other is cgo-based and relies on the standard C library (libc) routines such as getpwuid_r and getgrnam_r. When cgo is available, cgo-based (libc-backed) code is used by default. This can be overridden by using osusergo build tag, which enforces the pure Go implementation.Package-Level Type Names (total 6)Group represents a grouping of users. On POSIX systems Gid contains a decimal number representing the group ID. // group ID // group name func LookupGroup(name string) (*Group, error) func LookupGroupId(gid string) (*Group, error)UnknownGroupError is returned by LookupGroup when a group cannot be found. ( T) Error() string T : errorUnknownGroupIdError is returned by LookupGroupId when a group cannot be found. ( T) Error() string T : errorUnknownUserIdError is returned by LookupId when a user cannot be found. ( T) Error() string T : errorUser represents a user account. Gid is the primary group ID. On POSIX systems, this is a decimal number representing the gid. On Windows, this is a SID in a string format. On Plan 9, this is the contents of /dev/user. HomeDir is the path to the user's home directory (if they have one). Name is the user's real or display name. It might be blank. On POSIX systems, this is the first (or only) entry in the GECOS field list. On Windows, this is the user's display name. On Plan 9, this is the contents of /dev/user. Uid is the user ID. On POSIX systems, this is a decimal number representing the uid. On Windows, this is a security identifier (SID) in a string format. On Plan 9, this is the contents of /dev/user. Username is the login name. GroupIds returns the list of group IDs that the user is a member of. func Current() (*User, error) func Lookup(username string) (*User, error) func LookupId(uid string) (*User, error)Package-Level Functions (total 5)Current returns the current user. The first call will cache the current user information. Subsequent calls will return the cached value and will not reflect changes to the current user.Lookup looks up a user by username. If the user cannot be found, the returned error is of type UnknownUserError.LookupGroup looks up a group by name. If the group cannot be found, the returned error is of type UnknownGroupError.LookupGroupId looks up a group by groupid. If the group cannot be found, the returned error is of type UnknownGroupIdError.LookupId looks up a user by userid. If the user cannot be found, the returned error is of type UnknownUserIdError.
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