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Document pseudo-commands.

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This commit is contained in:
Bodo Möller 2000-03-20 13:39:06 +00:00
parent b7a81df46a
commit 88220dcb21
1 changed files with 25 additions and 2 deletions
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27
doc/apps/openssl.pod
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@ -12,6 +12,10 @@ I<command>
[ I<command_opts> ]
[ I<command_args> ]
B<openssl> [ B<list-standard-commands> | B<list-message-digest-commands> | B<list-cipher-commands> ]
B<openssl> B<no->I<XXX> [ I<arbitrary options> ]
=head1 DESCRIPTION
OpenSSL is a cryptography toolkit implementing the Secure Sockets Layer (SSL
@ -35,6 +39,22 @@ The B<openssl> program provides a rich variety of commands (I<command> in the
SYNOPSIS above), each of which often has a wealth of options and arguments
(I<command_opts> and I<command_args> in the SYNOPSIS).
The pseudo-commands B<list-standard-commands>, B<list-message-digest-commands>,
and B<list-cipher-commands> output a list (one entry per line) of the names
of all standard commands, message digest commands, or cipher commands,
respectively, that are available in the present B<openssl> utility.
The pseudo-command B<no->I<XXX> tests whether a command of the
specified name is available. If no command named I<XXX> exists, it
returns 0 (success) and prints B<no->I<XXX>; otherwise it returns 1
and prints I<XXX>. In both cases, the output goes to B<stdout> and
nothing is printed to B<stderr>. Additional command line arguments
are always ignored. Since for each cipher there is a command of the
same name, this provides an easy way for shell scripts to test for the
availability of ciphers in the B<openssl> program. (B<no->I<XXX> is
not able to detect pseudo-commands such as B<quit>,
B<list->I<...>B<-commands>, or B<no->I<XXX> itself.)
=head2 STANDARD COMMANDS
=over 10
@ -296,7 +316,10 @@ L<crypto(3)|crypto(3)>, L<ssl(3)|ssl(3)>
=head1 HISTORY
The openssl(1) document appeared in OpenSSL 0.9.2
The openssl(1) document appeared in OpenSSL 0.9.2.
The B<list->I<XXX>B<-commands> pseudo-commands were added in OpenSSL 0.9.3;
the B<no->I<XXX> pseudo-commands were added in OpenSSL 0.9.5a.
For notes on the availability of other commands, see their individual
manual pages.
=cut