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ed: Correct behaviour of shell escape in r and w

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Shell escapes in these commands do not print a ! after its execution
but it prints the number of bytes read/write.
This commit is contained in:
Roberto E. Vargas Caballero 2025-12-31 13:19:34 +01:00
parent dae48911d2
commit 79bc44c184
1 changed files with 11 additions and 14 deletions
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@ -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.