On Mon, Dec 09, 2024 at 06:21:53PM +0100, Ulrich Müller wrote:
> Description:
> For a compound command like "if" or "while" and with
> an unsuccessful test, the last element of PIPESTATUS is not the
> return status of the compound but that of the test command.
> For example,
On Dez 09 2024, Mike Jonkmans wrote:
> So, with 'if false; then :; fi', the whole if has 0 as status, due to #1.
> The last pipeline is the 'false' command. So $PIPESTATUS = 1.
Why is `if false; then :; fi' not a pipeline? It is a command, and the
components of a pipeline are commands.
> Both o
Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: x86_64-pc-linux-gnu-gcc
Compilation CFLAGS: -march=native -ggdb -O2 -pipe
uname output: Linux urania 6.6.62-gentoo #1 SMP Wed Nov 20 14:40:27 CET 2024
x86_64 AMD Ryzen 7 PRO 7730U with Radeo
its a pass return codes passthru question ..
.. id like it passthru too , that it returns the upper cmds return codes ..
On Mon, Dec 9, 2024, 6:22 PM Ulrich Müller wrote:
> Configuration Information [Automatically generated, do not change]:
> Machine: x86_64
> OS: linux-gnu
> Compiler: x86_64-p
On Mon, Dec 09, 2024 at 09:20:54PM +0100, Andreas Schwab wrote:
> On Dez 09 2024, Mike Jonkmans wrote:
> > So, with 'if false; then :; fi', the whole if has 0 as status, due to #1.
> > The last pipeline is the 'false' command. So $PIPESTATUS = 1.
> Why is `if false; then :; fi' not a pipeline? It
Andreas Schwab writes:
>> But the PIPESTATUS refers to the 'false' pipeline:
>> $ if false; then :; fi; echo ${PIPESTATUS[*]}
>> 1
>
> $ if false; then :; fi | true; echo ${PIPESTATUS[*]}
> 0 0
>
> Why is that not `1 0'? After all, the last executed commands as part of
> the pipeline (b
the | true is the.last pipe
while witbout , its.one cmd less
the | true is $pipestatus[1][*]
On Tue, Dec 10, 2024, 4:31 AM Dale R. Worley wrote:
> Andreas Schwab writes:
> >> But the PIPESTATUS refers to the 'false' pipeline:
> >> $ if false; then :; fi; echo ${PIPESTATUS[*]}
> >> 1
>
On Dez 09 2024, Mike Jonkmans wrote:
> But the PIPESTATUS refers to the 'false' pipeline:
> $ if false; then :; fi; echo ${PIPESTATUS[*]}
> 1
$ if false; then :; fi | true; echo ${PIPESTATUS[*]}
0 0
Why is that not `1 0'? After all, the last executed commands as part of
the pipeline
