diff options
Diffstat (limited to 'contrib/bc/manuals/dc/N.1')
| -rw-r--r-- | contrib/bc/manuals/dc/N.1 | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/contrib/bc/manuals/dc/N.1 b/contrib/bc/manuals/dc/N.1 index 8f4718490813..e257c79bc9b7 100644 --- a/contrib/bc/manuals/dc/N.1 +++ b/contrib/bc/manuals/dc/N.1 @@ -25,7 +25,7 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.TH "DC" "1" "January 2021" "Gavin D. Howard" "General Commands Manual" +.TH "DC" "1" "February 2021" "Gavin D. Howard" "General Commands Manual" .SH Name .PP dc - arbitrary-precision decimal reverse-Polish notation calculator @@ -116,9 +116,16 @@ This means that if a file is given before an expression, the file is read in and evaluated first. .RS .PP -After processing all expressions and files, dc(1) will exit, unless +If this option is given on the command-line (i.e., not in +\f[B]DC_ENV_ARGS\f[R], see the \f[B]ENVIRONMENT VARIABLES\f[R] section), +then after processing all expressions and files, dc(1) will exit, unless \f[B]-\f[R] (\f[B]stdin\f[R]) was given as an argument at least once to -\f[B]-f\f[R] or \f[B]\[en]file\f[R]. +\f[B]-f\f[R] or \f[B]\[en]file\f[R], whether on the command-line or in +\f[B]DC_ENV_ARGS\f[R]. +However, if any other \f[B]-e\f[R], \f[B]\[en]expression\f[R], +\f[B]-f\f[R], or \f[B]\[en]file\f[R] arguments are given after +\f[B]-f-\f[R] or equivalent is given, dc(1) will give a fatal error and +exit. .PP This is a \f[B]non-portable extension\f[R]. .RE @@ -130,12 +137,15 @@ If expressions are also given (see above), the expressions are evaluated in the order given. .RS .PP -After processing all expressions and files, dc(1) will exit, unless +If this option is given on the command-line (i.e., not in +\f[B]DC_ENV_ARGS\f[R], see the \f[B]ENVIRONMENT VARIABLES\f[R] section), +then after processing all expressions and files, dc(1) will exit, unless \f[B]-\f[R] (\f[B]stdin\f[R]) was given as an argument at least once to \f[B]-f\f[R] or \f[B]\[en]file\f[R]. However, if any other \f[B]-e\f[R], \f[B]\[en]expression\f[R], -\f[B]-f\f[R], or \f[B]\[en]file\f[R] arguments are given after that, -bc(1) will give a fatal error and exit. +\f[B]-f\f[R], or \f[B]\[en]file\f[R] arguments are given after +\f[B]-f-\f[R] or equivalent is given, dc(1) will give a fatal error and +exit. .PP This is a \f[B]non-portable extension\f[R]. .RE @@ -144,6 +154,9 @@ All long options are \f[B]non-portable extensions\f[R]. .SH STDOUT .PP Any non-error output is written to \f[B]stdout\f[R]. +In addition, if history (see the \f[B]HISTORY\f[R] section) and the +prompt (see the \f[B]TTY MODE\f[R] section) are enabled, both are output +to \f[B]stdout\f[R]. .PP \f[B]Note\f[R]: Unlike other dc(1) implementations, this dc(1) will issue a fatal error (see the \f[B]EXIT STATUS\f[R] section) if it cannot @@ -235,7 +248,7 @@ guaranteed to \f[B]NOT\f[R] be cryptographically secure. This is a consequence of using a seeded pseudo-random number generator. However, they \f[I]are\f[R] guaranteed to be reproducible with identical \f[B]seed\f[R] values. -This means that the pseudo-random values from bc(1) should only be used +This means that the pseudo-random values from dc(1) should only be used where a reproducible stream of pseudo-random numbers is \f[I]ESSENTIAL\f[R]. In any other case, use a non-seeded pseudo-random number generator. @@ -1164,7 +1177,7 @@ will be correctly parsed, but the string \f[B]\[lq]/home/gavin/some The quote parsing will handle either kind of quotes, \f[B]\[cq]\f[R] or \f[B]\[lq]\f[R]. Thus, if you have a file with any number of single quotes in the name, you can use double quotes as the outside quotes, as -in \f[B]\[rq]some `bc' file.bc\[dq]\f[R], and vice versa if you have a +in \f[B]\[rq]some `dc' file.dc\[dq]\f[R], and vice versa if you have a file with double quotes. However, handling a file with both kinds of quotes in \f[B]DC_ENV_ARGS\f[R] is not supported due to the complexity of the |