* [9fans] sam and 'here documents' on Unix [WAS: Re: Making multiple changes to dot using sam -d]
@ 2022-05-12 17:47 Mart Zirnask
2022-05-12 19:24 ` umbraticus
0 siblings, 1 reply; 3+ messages in thread
From: Mart Zirnask @ 2022-05-12 17:47 UTC (permalink / raw)
To: 9fans
A related question:
9front sam has the ^ command, which makes it easy to apply multiple
sam commands to the dot from a script, e.g:
#!/bin/rc
cat << END
,x/red/ c/blue/
,x/yellow/ c/green/
END
How does one accomplish this in oldschool Unix sam -d without the ^
command, and also without using ssam?
'Here dcuments' work, because the following works fine on my shell
(Busybox sh, not rc):
$ sam -d file.txt << END
,x/red/ c/blue/
,x/yellow/ c/green/
w
q
END
However, piping dot to that script from within sam -d (using the |
command) ends up with:
sh: script.sh: not found
?warning: exit status not 0
...and also an empty (deleted) sam buffer.
Replacing 'cat' with other options, e.g. 'sam -d "$*"', eventually
gave a "broken pipe" message. And, again, in all cases, an empty
buffer.
So, no ^ command, no ssam, but want to use substitutions from 'here
documents' -- where am I going wrong?
Many thanks,
Mart
On 11/05/2022, revcomninos@gmail.com <revcomninos@gmail.com> wrote:
> Thank you! I was erring in that I failed to repeat x.
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* Re: [9fans] sam and 'here documents' on Unix [WAS: Re: Making multiple changes to dot using sam -d]
2022-05-12 17:47 [9fans] sam and 'here documents' on Unix [WAS: Re: Making multiple changes to dot using sam -d] Mart Zirnask
@ 2022-05-12 19:24 ` umbraticus
2022-05-17 5:54 ` Mart Zirnask
0 siblings, 1 reply; 3+ messages in thread
From: umbraticus @ 2022-05-12 19:24 UTC (permalink / raw)
To: 9fans
hmm, interesting. ^ is indeed very useful;
making it work in sam -d is probably the
correct thing to do but here's a quick hack.
(9front specific, tho you can probably figure
out another way to pretend you typed.)
umbraticus
; fn f{echo ,x/red/c/blue >/dev/kbdin}
; sam -d
-.
a
I hired a red
redemptionist
.
!f
,x/red/c/blue
,
I hiblue a blue
blueemptionist
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* Re: [9fans] sam and 'here documents' on Unix [WAS: Re: Making multiple changes to dot using sam -d]
2022-05-12 19:24 ` umbraticus
@ 2022-05-17 5:54 ` Mart Zirnask
0 siblings, 0 replies; 3+ messages in thread
From: Mart Zirnask @ 2022-05-17 5:54 UTC (permalink / raw)
To: 9fans
Sorry for the late reply -- great hint, thanks very much.
In a perfect world, I would need a solution that also works on Windows
(with the ported unix/p9 tools), but I'll probably build the
sam9f-unix port by iru- [1] for now.
Btw, can anybody point me to the initial ^ and/or _ command patch?
In which 9front release were they added?
1: https://github.com/iru-/sam9f-unix
Thanks and best,
Mart
On 12/05/2022, umbraticus@prosimetrum.com <umbraticus@prosimetrum.com> wrote:
> hmm, interesting. ^ is indeed very useful;
> making it work in sam -d is probably the
> correct thing to do but here's a quick hack.
> (9front specific, tho you can probably figure
> out another way to pretend you typed.)
>
> umbraticus
>
> ; fn f{echo ,x/red/c/blue >/dev/kbdin}
> ; sam -d
> -.
> a
> I hired a red
> redemptionist
> .
> !f
> ,x/red/c/blue
> ,
> I hiblue a blue
> blueemptionist
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2022-05-12 17:47 [9fans] sam and 'here documents' on Unix [WAS: Re: Making multiple changes to dot using sam -d] Mart Zirnask
2022-05-12 19:24 ` umbraticus
2022-05-17 5:54 ` Mart Zirnask
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