EOFin the here document.
cat << EOF Hello World
cat << EOF Hello WorldEOF
<< here document (aka heredoc) was not properly terminated. The terminating token needs to be on a separate line without indenting (or indented with tabs only when using
Note that you can not put here documents in one liners. For such use cases, use a
<<< here string:
cat << EOF hello world EOF # Wrong: data and terminator can not be on the same line cat <<< "hello world" # Correct
ShellCheck is a static analysis tool for shell scripts. This page is part of its documentation.