diff options
Diffstat (limited to 'contrib/bc/manuals/dc/HN.1.md')
| -rw-r--r-- | contrib/bc/manuals/dc/HN.1.md | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/contrib/bc/manuals/dc/HN.1.md b/contrib/bc/manuals/dc/HN.1.md index 6248037980d9..005579cd02c8 100644 --- a/contrib/bc/manuals/dc/HN.1.md +++ b/contrib/bc/manuals/dc/HN.1.md @@ -34,7 +34,7 @@ dc - arbitrary-precision decimal reverse-Polish notation calculator # SYNOPSIS -**dc** [**-hiPvVx**] [**--version**] [**--help**] [**--interactive**] [**--no-prompt**] [**--extended-register**] [**-e** *expr*] [**--expression**=*expr*...] [**-f** *file*...] [**-file**=*file*...] [*file*...] +**dc** [**-hiPvVx**] [**-\-version**] [**-\-help**] [**-\-interactive**] [**-\-no-prompt**] [**-\-extended-register**] [**-e** *expr*] [**-\-expression**=*expr*...] [**-f** *file*...] [**-\-file**=*file*...] [*file*...] # DESCRIPTION @@ -43,11 +43,11 @@ notation) to store numbers and results of computations. Arithmetic operations pop arguments off of the stack and push the results. If no files are given on the command-line as extra arguments (i.e., not as -**-f** or **--file** arguments), then dc(1) reads from **stdin**. Otherwise, +**-f** or **-\-file** arguments), then dc(1) reads from **stdin**. Otherwise, those files are processed, and dc(1) will then exit. This is different from the dc(1) on OpenBSD and possibly other dc(1) -implementations, where **-e** (**--expression**) and **-f** (**--file**) +implementations, where **-e** (**-\-expression**) and **-f** (**-\-file**) arguments cause dc(1) to execute them and exit. The reason for this is that this dc(1) allows users to set arguments in the environment variable **DC_ENV_ARGS** (see the **ENVIRONMENT VARIABLES** section). Any expressions given on the @@ -64,21 +64,21 @@ as the last command-line argument or define the environment variable The following are the options that dc(1) accepts. -**-h**, **--help** +**-h**, **-\-help** : Prints a usage message and quits. -**-v**, **-V**, **--version** +**-v**, **-V**, **-\-version** : Print the version information (copyright header) and exit. -**-i**, **--interactive** +**-i**, **-\-interactive** : Forces interactive mode. (See the **INTERACTIVE MODE** section.) This is a **non-portable extension**. -**-P**, **--no-prompt** +**-P**, **-\-no-prompt** : Disables the prompt in TTY mode. (The prompt is only enabled in TTY mode. See the **TTY MODE** section) This is mostly for those users that do not @@ -87,14 +87,14 @@ The following are the options that dc(1) accepts. This is a **non-portable extension**. -**-x** **--extended-register** +**-x** **-\-extended-register** : Enables extended register mode. See the *Extended Register Mode* subsection of the **REGISTERS** section for more information. This is a **non-portable extension**. -**-e** *expr*, **--expression**=*expr* +**-e** *expr*, **-\-expression**=*expr* : Evaluates *expr*. If multiple expressions are given, they are evaluated in order. If files are given as well (see below), the expressions and files are @@ -104,14 +104,14 @@ The following are the options that dc(1) accepts. If this option is given on the command-line (i.e., not in **DC_ENV_ARGS**, see the **ENVIRONMENT VARIABLES** section), then after processing all expressions and files, dc(1) will exit, unless **-** (**stdin**) was given - as an argument at least once to **-f** or **--file**, whether on the + as an argument at least once to **-f** or **-\-file**, whether on the command-line or in **DC_ENV_ARGS**. However, if any other **-e**, - **--expression**, **-f**, or **--file** arguments are given after **-f-** or - equivalent is given, dc(1) will give a fatal error and exit. + **-\-expression**, **-f**, or **-\-file** arguments are given after **-f-** + or equivalent is given, dc(1) will give a fatal error and exit. This is a **non-portable extension**. -**-f** *file*, **--file**=*file* +**-f** *file*, **-\-file**=*file* : Reads in *file* and evaluates it, line by line, as though it were read through **stdin**. If expressions are also given (see above), the @@ -120,8 +120,8 @@ The following are the options that dc(1) accepts. If this option is given on the command-line (i.e., not in **DC_ENV_ARGS**, see the **ENVIRONMENT VARIABLES** section), then after processing all expressions and files, dc(1) will exit, unless **-** (**stdin**) was given - as an argument at least once to **-f** or **--file**. However, if any other - **-e**, **--expression**, **-f**, or **--file** arguments are given after + as an argument at least once to **-f** or **-\-file**. However, if any other + **-e**, **-\-expression**, **-f**, or **-\-file** arguments are given after **-f-** or equivalent is given, dc(1) will give a fatal error and exit. This is a **non-portable extension**. @@ -909,7 +909,7 @@ follows any command that needs a register name. The only exception is a newline Unlike most other dc(1) implentations, this dc(1) provides nearly unlimited amounts of registers, if extended register mode is enabled. -If extended register mode is enabled (**-x** or **--extended-register** +If extended register mode is enabled (**-x** or **-\-extended-register** command-line arguments are given), then normal single character registers are used *unless* the character immediately following a command that needs a register name is a space (according to **isspace()**) and not a newline @@ -1118,17 +1118,17 @@ The other statuses will only be returned when dc(1) is not in interactive mode (see the **INTERACTIVE MODE** section), since dc(1) resets its state (see the **RESET** section) and accepts more input when one of those errors occurs in interactive mode. This is also the case when interactive mode is forced by the -**-i** flag or **--interactive** option. +**-i** flag or **-\-interactive** option. These exit statuses allow dc(1) to be used in shell scripting with error checking, and its normal behavior can be forced by using the **-i** flag or -**--interactive** option. +**-\-interactive** option. # INTERACTIVE MODE Like bc(1), dc(1) has an interactive mode and a non-interactive mode. Interactive mode is turned on automatically when both **stdin** and **stdout** -are hooked to a terminal, but the **-i** flag and **--interactive** option can +are hooked to a terminal, but the **-i** flag and **-\-interactive** option can turn it on in other cases. In interactive mode, dc(1) attempts to recover from errors (see the **RESET** |