read - read a line and assign fields to variables.
read [-r] var ...
read is a POSIX regular builtin provided by Rush. Read a line and assign fields to variables.
This page summarizes the builtin in Rush documentation. POSIX is the normative reference for detailed portable behavior.
See the POSIX definition for command-specific status rules. Usage errors generally return a non-zero status.
rush-builtins(7), POSIX Shell Command Language.