diff options
Diffstat (limited to 'usr.bin/dc')
| -rw-r--r-- | usr.bin/dc/dc.1 | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/usr.bin/dc/dc.1 b/usr.bin/dc/dc.1 index f276f74618d..3cb6be6475b 100644 --- a/usr.bin/dc/dc.1 +++ b/usr.bin/dc/dc.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: dc.1,v 1.14 2003/11/04 08:10:06 otto Exp $ +.\" $OpenBSD: dc.1,v 1.15 2003/11/06 19:48:55 otto Exp $ .\" .\" Copyright (C) Caldera International Inc. 2001-2002. .\" All rights reserved. @@ -134,6 +134,21 @@ This is a shorthand for the sequence: x y / x y % .Ed The division and modulus operator is a non-portable extension. +.It Ic a +Pop the top value from the stack. +If that value is a number, compute the integer part of the number modulo 256. +If the result is zero, push an empty string. +Otherwise push a one character string by interpreting the computed value +as an +.Tn ASCII +character. +.Pp +If the top value is a string, push a string containing the first character +of the original string. +If the original string is empty, an empty string is pushed back. +The +.Ic a +operator is a non-portable extension. .It Ic c All values on the stack are popped. .It Ic d @@ -147,14 +162,14 @@ The initial input base is 10. .It Ic I Pushes the input base on the top of the stack. .It Ic J -Pop the top value of the stack. +Pop the top value from the stack. The recursion level is popped by that value and, following that, the input is skipped until the first occurrence of the .Ic M operator. The .Ic J -operator is a non-portable extensions, used by the +operator is a non-portable extension, used by the .Xr bc 1 command. .It Ic K @@ -190,6 +205,9 @@ The operator is a non-portable extensions, used by the .Xr bc 1 command. +.It Ic n +The top value on the stack is popped and printed without a newline. +This is a non-portable extension. .It Ic O Pushes the output base on the top of the stack. .It Ic o @@ -327,6 +345,9 @@ since the string is written in an array that is later popped, to reveal the array that stored .Ql first . +.It Ic # +Skip the rest of the line. +This is a non-portable extension. .El .Sh EXAMPLES An example which prints the first ten values of |