51 		cat 1>&2 << EOF  heredoc
53 EOF
61 		cat 1>&2 << EOF  heredoc
63 EOF
70 			cat 1>&2 << EOF  heredoc
72 EOF
170 		cat 1>&2 << EOF  heredoc
172 EOF
177 grep -qw $1 << EOF  heredoc
207 EOF
249 		cat 1>&2 << EOF  heredoc
251 EOF