[RFA,4/4] NEWS and documentation for | (pipe) command.
Commit Message
gdb/ChangeLog
* NEWS: Mention new pipe command.
gdb/doc/ChangeLog
* gdb.texinfo (Shell Commands): Document pipe command.
(Logging Output): Add a reference to pipe command.
---
gdb/NEWS | 8 ++++++++
gdb/doc/gdb.texinfo | 31 +++++++++++++++++++++++++++++++
2 files changed, 39 insertions(+)
Comments
> From: Philippe Waroquiers <philippe.waroquiers@skynet.be>
> Cc: Philippe Waroquiers <philippe.waroquiers@skynet.be>
> Date: Sat, 20 Apr 2019 23:21:53 +0200
>
> diff --git a/gdb/NEWS b/gdb/NEWS
> index 5309a8f923..8744659e7b 100644
> --- a/gdb/NEWS
> +++ b/gdb/NEWS
> @@ -27,6 +27,14 @@
> 'array_indexes', 'symbols', 'unions', 'deref_refs', 'actual_objects',
> 'static_members', 'max_elements', 'repeat_threshold', and 'format'.
>
> +* New commands
> +
> +pipe [COMMAND] | SHELL_COMMAND
> +| [COMMAND] | SHELL_COMMAND
> + Executes COMMAND and sends its output to SHELL_COMMAND.
> + With no COMMAND, repeat the last executed command
> + and send its output to SHELL_COMMAND.
> +
This is OK.
> +You can also redirect the output of a @value{GDBN} command to a
> +shell command. See @ref{pipe}.
^^^^^^^^^^^^^^
This isn't incorrect, bur @xref{pipe} is better.
Otherwise, the documentation part is OK, thanks.
@@ -27,6 +27,14 @@
'array_indexes', 'symbols', 'unions', 'deref_refs', 'actual_objects',
'static_members', 'max_elements', 'repeat_threshold', and 'format'.
+* New commands
+
+pipe [COMMAND] | SHELL_COMMAND
+| [COMMAND] | SHELL_COMMAND
+ Executes COMMAND and sends its output to SHELL_COMMAND.
+ With no COMMAND, repeat the last executed command
+ and send its output to SHELL_COMMAND.
+
*** Changes in GDB 8.3
* GDB and GDBserver now support access to additional registers on
@@ -1454,6 +1454,35 @@ Execute the @code{make} program with the specified
arguments. This is equivalent to @samp{shell make @var{make-args}}.
@end table
+@table @code
+@kindex pipe
+@kindex |
+@cindex send the output of a gdb command to a shell command
+@anchor{pipe}
+@item pipe [@var{command}] | @var{shell_command}
+@itemx | [@var{command}] | @var{shell_command}
+Executes @var{command} and sends its output to @var{shell_command}.
+Note that no space is needed around @code{|}.
+If no @var{command} is provided, the last command executed is repeated.
+
+Example:
+@smallexample
+(gdb) pipe p full|wc
+ 5 17 81
+(gdb) |p full|wc -l
+5
+(gdb) p full
+$4 = (black => 144,
+ red => 233,
+ green => 377,
+ blue => 610,
+ white => 987)
+(gdb) ||grep red
+ red => 233,
+(gdb)
+@end smallexample
+@end table
+
@node Logging Output
@section Logging Output
@cindex logging @value{GDBN} output
@@ -1482,6 +1511,8 @@ Set @code{redirect} if you want output to go only to the log file.
Show the current values of the logging settings.
@end table
+You can also redirect the output of a @value{GDBN} command to a
+shell command. See @ref{pipe}.
@node Commands
@chapter @value{GDBN} Commands