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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

A+B

B

C

D

E

F

H

I

L

M

Morse code

N

N'th

P

Q

Quine

R

S

T

Tokenize a string

U

Unique characters

W

X

XXXX redacted

@@ Line 10: / Line 10: @@
 Ed scripts are usually ran as (on the example of [[GNU Ed]])
 <syntaxhighlight lang="bash">
-cat script.ed | ed -lEGs file.in > file.out
+cat script.ed | ed -lEGs file.in
 </syntaxhighlight>