Category:Ed
![Language](http://static.miraheze.org/rosettacodewiki/thumb/2/27/Rcode-button-language-crushed.png/64px-Rcode-button-language-crushed.png)
This programming language may be used to instruct a computer to perform a task.
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This is the command language used by wp:ed_(software), the line oriented text editor.
Implementations are GNU Ed, Plan 9 Ed, BSD ed, and original UNIX ed. Ed is also a precursor to a whole family of other text editors and command languages. Including Sed, ex, vi, vim, sam, and others.
Ed scripts are usually ran as (on the example of GNU Ed)
cat script.ed | ed -lEGs file.in
There's a convention of starting every (GNU ed) script with capital H on a line of its own, to toggle more verbose error messages on. And optionally end the script with capital Q to force-quit without saving the changes to file.
Also see Tasks not implemented in Ed
Pages in category "Ed"
The following 76 pages are in this category, out of 76 total.
A
C
D
F
N
Q
R
S
- Selectively replace multiple instances of a character within a string
- Shift list elements to left by 3
- Sort an integer array
- Split a character string based on change of character
- Start from a main routine
- String case
- String comparison
- String concatenation
- String interpolation (included)
- String length
- String matching
- String prepend
- Strip a set of characters from a string
- Strip comments from a string
- Strip control codes and extended characters from a string
- Strip whitespace from a string/Top and tail
- Substring
- Substring/Top and tail