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Diffstat (limited to 'manuals/dc/EH.1.md')
| -rw-r--r-- | manuals/dc/EH.1.md | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/manuals/dc/EH.1.md b/manuals/dc/EH.1.md index 459f8ac12e7e..50850226ddbe 100644 --- a/manuals/dc/EH.1.md +++ b/manuals/dc/EH.1.md @@ -116,7 +116,7 @@ The following are the options that dc(1) accepts. **-z**, **-\-leading-zeroes** -: Makes bc(1) print all numbers greater than **-1** and less than **1**, and +: Makes dc(1) print all numbers greater than **-1** and less than **1**, and not equal to **0**, with a leading zero. This can be set for individual numbers with the **plz(x)**, plznl(x)**, @@ -157,13 +157,40 @@ The following are the options that dc(1) accepts. This is a **non-portable extension**. +**-I** *ibase*, **-\-ibase**=*ibase* + +: Sets the builtin variable **ibase** to the value *ibase* assuming that + *ibase* is in base 10. It is a fatal error if *ibase* is not a valid number. + + If multiple instances of this option are given, the last is used. + + This is a **non-portable extension**. + +**-O** *obase*, **-\-obase**=*obase* + +: Sets the builtin variable **obase** to the value *obase* assuming that + *obase* is in base 10. It is a fatal error if *obase* is not a valid number. + + If multiple instances of this option are given, the last is used. + + This is a **non-portable extension**. + +**-S** *scale*, **-\-scale**=*scale* + +: Sets the builtin variable **scale** to the value *scale* assuming that + *scale* is in base 10. It is a fatal error if *scale* is not a valid number. + + If multiple instances of this option are given, the last is used. + + This is a **non-portable extension**. + All long options are **non-portable extensions**. # STDIN If no files are given on the command-line and no files or expressions are given by the **-f**, **-\-file**, **-e**, or **-\-expression** options, then dc(1) -read from **stdin**. +reads from **stdin**. However, there is a caveat to this. @@ -1030,8 +1057,8 @@ dc(1) recognizes the following environment variables: : If any expressions or expression files are given on the command-line with **-e**, **-\-expression**, **-f**, or **-\-file**, then if this environment variable exists and contains an integer, a non-zero value makes dc(1) exit - after executing the expressions and expression files, and a non-zero value - makes dc(1) not exit. + after executing the expressions and expression files, and a zero value makes + dc(1) not exit. This environment variable overrides the default, which can be queried with the **-h** or **-\-help** options. @@ -1130,8 +1157,10 @@ setting is used. The default setting can be queried with the **-h** or **-\-help** options. TTY mode is different from interactive mode because interactive mode is required -in the [bc(1) specification][1], and interactive mode requires only **stdin** -and **stdout** to be connected to a terminal. +in the bc(1) specification at +https://pubs.opengroup.org/onlinepubs/9699919799/utilities/bc.html , and +interactive mode requires only **stdin** and **stdout** to be connected to a +terminal. ## Prompt @@ -1191,8 +1220,9 @@ bc(1) # STANDARDS -The dc(1) utility operators are compliant with the operators in the bc(1) -[IEEE Std 1003.1-2017 (“POSIX.1-2017”)][1] specification. +The dc(1) utility operators are compliant with the operators in the IEEE Std +1003.1-2017 (“POSIX.1-2017”) specification at +https://pubs.opengroup.org/onlinepubs/9699919799/utilities/bc.html for bc(1). # BUGS @@ -1201,5 +1231,3 @@ None are known. Report bugs at https://git.yzena.com/gavin/bc. # AUTHOR Gavin D. Howard <gavin@yzena.com> and contributors. - -[1]: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/bc.html |