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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

Or, more portably, with Basic Regular Expressions on BSD, Mac, and GNU Ed.

cat script.ed | ed -s 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 68 pages are in this category, out of 68 total.

A

A+B

B

C

D

E

F

H

I

L

R

S

T

Tokenize a string

U

Unique characters

W

X

XXXX redacted

@@ Line 11: / Line 11: @@
 <syntaxhighlight lang="bash">
 cat script.ed | ed -lEGs file.in
+</syntaxhighlight>
+Or, more portably, with Basic Regular Expressions on BSD, Mac, and [[GNU Ed]].
+<syntaxhighlight lang="bash">
+cat script.ed | ed -s file.in
 </syntaxhighlight>