-G FILE (conditional operator)

true if the file exists and is owned by the effective user ID.

-G is not included in POSIX.1-2017.

Links

• Effective user ID on Wikipedia
• Bash manual

Examples

Different ways to test if a file is owned by the effective group ID:

1 2 3 4

test -G ~/file && echo "owned by egid" [ -G ~/file ] && echo "owned by egid" # Bash [[ -G ~/file ]] && echo "owned by egid"