For each file processed, get shall write to standard output the
SID being accessed and the number of lines retrieved from the
SCCS file, in the following format:
"%s\n%d lines\n", <SID>, <number of lines>
If the -e option is used, the SID of the delta to be made shall
appear after the SID accessed and before the number of lines
generated, in the POSIX locale:
"%s\nnew delta %s\n%d lines\n", <SID accessed>,
<SID to be made>, <number of lines>
If there is more than one named file or if a directory or
standard input is named, each pathname shall be written before
each of the lines shown in one of the preceding formats:
"\n%s:\n", <pathname>
If the -L option is used, a delta summary shall be written
following the format specified below for l-files.
If the -i option is used, included deltas shall be listed
following the notation, in the POSIX locale:
"Included:\n"
If the -x option is used, excluded deltas shall be listed
following the notation, in the POSIX locale:
"Excluded:\n"
If the -p or -L options are specified, the standard output shall
consist of the text retrieved from the SCCS file.
