- printf("Usage: collect [options] <checkpoint> <id> <idlist>\n"
- " -a,--add add ID <id> to the list <idlist>\n"
- " -r,--remove remove ID <id> from the list <idlist>\n"
- " -d,--debug debug to stderr\n"
- " -h,--help print this help text\n\n"
+ printf("%s [options] <checkpoint> <id> <idlist>\n\n"
+ "Collect variables across events.\n\n"
+ " -h --help Print this message\n"
+ " -a --add Add ID <id> to the list <idlist>\n"
+ " -r --remove Remove ID <id> from the list <idlist>\n"
+ " -d --debug Debug to stderr\n\n"