aboutsummaryrefslogtreecommitdiff
path: root/contrib/bc/manuals/bc/HP.1
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/bc/manuals/bc/HP.1')
-rw-r--r--contrib/bc/manuals/bc/HP.125
1 files changed, 19 insertions, 6 deletions
diff --git a/contrib/bc/manuals/bc/HP.1 b/contrib/bc/manuals/bc/HP.1
index 617987fbf743..06a46ba5629a 100644
--- a/contrib/bc/manuals/bc/HP.1
+++ b/contrib/bc/manuals/bc/HP.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 "BC" "1" "January 2021" "Gavin D. Howard" "General Commands Manual"
+.TH "BC" "1" "February 2021" "Gavin D. Howard" "General Commands Manual"
.SH NAME
.PP
bc - arbitrary-precision decimal arithmetic language and calculator
@@ -220,12 +220,16 @@ 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, bc(1) will exit, unless
+If this option is given on the command-line (i.e., not in
+\f[B]BC_ENV_ARGS\f[R], see the \f[B]ENVIRONMENT VARIABLES\f[R] section),
+then after processing all expressions and files, bc(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]BC_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 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, bc(1) will give a fatal error and
+exit.
.PP
This is a \f[B]non-portable extension\f[R].
.RE
@@ -237,9 +241,15 @@ If expressions are also given (see above), the expressions are evaluated
in the order given.
.RS
.PP
-After processing all expressions and files, bc(1) will exit, unless
+If this option is given on the command-line (i.e., not in
+\f[B]BC_ENV_ARGS\f[R], see the \f[B]ENVIRONMENT VARIABLES\f[R] section),
+then after processing all expressions and files, bc(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
+\f[B]-f-\f[R] or equivalent is given, bc(1) will give a fatal error and
+exit.
.PP
This is a \f[B]non-portable extension\f[R].
.RE
@@ -248,6 +258,9 @@ 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 bc(1) implementations, this bc(1) will
issue a fatal error (see the \f[B]EXIT STATUS\f[R] section) if it cannot