diff options
Diffstat (limited to 'contrib/bc/manuals/dc/HP.1.md')
| -rw-r--r-- | contrib/bc/manuals/dc/HP.1.md | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/contrib/bc/manuals/dc/HP.1.md b/contrib/bc/manuals/dc/HP.1.md index d9865db53bdf..25e690f6f0e5 100644 --- a/contrib/bc/manuals/dc/HP.1.md +++ b/contrib/bc/manuals/dc/HP.1.md @@ -98,8 +98,13 @@ The following are the options that dc(1) accepts. evaluated in the order given. This means that if a file is given before an expression, the file is read in and evaluated first. - After processing all expressions and files, dc(1) will exit, unless **-** - (**stdin**) was given as an argument at least once to **-f** or **--file**. + 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 + 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. This is a **non-portable extension**. @@ -109,10 +114,12 @@ The following are the options that dc(1) accepts. through **stdin**. If expressions are also given (see above), the expressions are evaluated in the order given. - 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 that, bc(1) will give a fatal error and exit. + 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 + **-f-** or equivalent is given, dc(1) will give a fatal error and exit. This is a **non-portable extension**. @@ -120,7 +127,9 @@ All long options are **non-portable extensions**. # STDOUT -Any non-error output is written to **stdout**. +Any non-error output is written to **stdout**. In addition, if history (see the +**HISTORY** section) and the prompt (see the **TTY MODE** section) are enabled, +both are output to **stdout**. **Note**: Unlike other dc(1) implementations, this dc(1) will issue a fatal error (see the **EXIT STATUS** section) if it cannot write to **stdout**, so if @@ -195,7 +204,7 @@ command or the **"** command that does not get receive a value of **0** or **'** and **"** commands are guaranteed to **NOT** be cryptographically secure. This is a consequence of using a seeded pseudo-random number generator. However, they *are* guaranteed to be reproducible with identical **seed** values. This -means that the pseudo-random values from bc(1) should only be used where a +means that the pseudo-random values from dc(1) should only be used where a reproducible stream of pseudo-random numbers is *ESSENTIAL*. In any other case, use a non-seeded pseudo-random number generator. @@ -1030,7 +1039,7 @@ dc(1) recognizes the following environment variables: The quote parsing will handle either kind of quotes, **'** or **"**. 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 **"some 'bc' file.bc"**, and vice + double quotes as the outside quotes, as in **"some 'dc' file.dc"**, and vice versa if you have a file with double quotes. However, handling a file with both kinds of quotes in **DC_ENV_ARGS** is not supported due to the complexity of the parsing, though such files are still supported on the |