ed: Correct behaviour of shell escape in r and w - sbase - suckless unix tools
HTML git clone git://git.suckless.org/sbase
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit 79bc44c1849938925fe05d6fdc81093a85f50215
DIR parent dae48911d223022deb96408a65ed910f82a2ef30
HTML Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date: Wed, 31 Dec 2025 13:19:34 +0100
ed: Correct behaviour of shell escape in r and w
Shell escapes in these commands do not print a ! after its execution
but it prints the number of bytes read/write.
Diffstat:
M ed.1 | 25 +++++++++++--------------
1 file changed, 11 insertions(+), 14 deletions(-)
---
DIR diff --git a/ed.1 b/ed.1
@@ -100,7 +100,7 @@ Otherwise, the dot is set to the line before the deleted range.
.It e Ar file
Delete the contents of the buffer and load in
.Ar file
-for editing, printing the bytes read to standard output.
+for editing, printing the number of bytes read to standard output.
If no filename is given,
.Nm
uses the currently remembered filename.
@@ -108,14 +108,15 @@ The remembered filename is set to
.Ar file
for later use.
The current address is set to the last line read.
+.It E Ar file
+As above,
+but without warning if the current buffer has unsaved changes.
.It e Ar !command
Delete the contents of the buffer and load in the output of
-.Ar command .
+.Ar command ,
+printing the number of bytes read to standard output.
The remembered filename is not modified.
The current address is set to the last line read.
-.It E Ar file
-As the command e,
-but without warning if the current buffer has unsaved changes.
.It f Ar file
Set the currently remembered filename to
.Ar file
@@ -177,7 +178,7 @@ As above, but without warning if the current buffer has unsaved changes.
Read in
.Ar file
and append it to the current buffer at the addressed line,
-printing the bytes read to standard output.
+printing the number of bytes read to standard output.
The currently remembered filename isn't changed unless it's empty.
An address of 0 reads the
.Ar file
@@ -185,10 +186,8 @@ into the start of the buffer.
.It ($)r Ar !command
Execute the
.Ar command
-and append its output in the current buffer at the addressed line.
-When
-.Ar command
-returns a '!' is printed.
+and append its output in the current buffer at the addressed line,
+printing the number of bytes read to standard output.
The currently remembered filename isn't changed.
An address of 0 reads the output of
.Ar command
@@ -229,10 +228,8 @@ the addressed lines are appended to
instead.
.It (1,$)w Ar !command
Write the addressed lines to the standard input of
-.Ar command .
-When
-.Ar command
-returns a '!' is printed.
+.Ar command ,
+printing the number of bytes written to standard output.
The dot is unchanged.
.It (.+1)
An address without a command prints the addressed line.