ospent -V (return code: -15)
ospent:I: "OpenSP" version "1.5.2"
ospent --help (return code: 0)
Usage: ospent [OPTION] SYSID...
Short options need the same arguments as their long forms.
-b, --bctf=NAME Use bctf NAME for output.
-f, --error-file=FILE Append error messages to file FILE.
-v, --version Display the program version.
-h, --help Show this help text.
-c, --catalog=SYSID Use catalog SYSID.
-C, --catalogs Arguments are catalogs, use DOCUMENT entry.
-D, --directory=DIRECTORY Search files in directory DIRECTORY.
-R, --restricted Restrict file reading (for use in Web apps).
-n, --non-sgml non-SGML
-r, --raw raw
ospent prints the concatenation of the entities with system identifiers
SYSID... on the standard output