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Re: non working code .. loop ends after one
From: |
Kerin Millar |
Subject: |
Re: non working code .. loop ends after one |
Date: |
Thu, 2 Mar 2023 19:41:22 +0000 |
On Thu, 2 Mar 2023 08:52:15 +0100
alex xmb ratchev <fxmbsw7@gmail.com> wrote:
> On Thu, Mar 2, 2023, 3:05 AM Kerin Millar <kfm@plushkava.net> wrote:
>
> > On Thu, 2 Mar 2023 00:07:55 +0100
> > alex xmb ratchev <fxmbsw7@gmail.com> wrote:
> >
> > > i used declare [-a] "<definition>' to make bash parse the \<code>
> >
> > For this, you could use printf.
> >
>
> yes yes , but my argument is declare is faster .. even if for this app /
$ unset -v sep; time for ((i = 0; i <= 500000; i++)); do sep='\n'; printf -v
sep %b "$sep"; done
real 0m3.932s
user 0m3.924s
sys 0m0.000s
$ unset -v sep; time for ((i = 0; i <= 500000; i++)); do sep='\n'; declare -a
"sep=( $'$sep' )"; done
real 0m5.212s
user 0m5.203s
sys 0m0.000s
$ unset -v sep; time for ((i = 0; i <= 500000; i++)); do sep='\n'; [[ $sep ==
*\\* ]] && declare -a "sep=( $'$sep' )"; done
real 0m6.299s
user 0m6.288s
sys 0m0.000s
--
Kerin Millar
- Re: non working code .. loop ends after one, (continued)
- Re: non working code .. loop ends after one, Lawrence Velázquez, 2023/03/01
- Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/01
- Re: non working code .. loop ends after one, Andreas Kusalananda Kähäri, 2023/03/02
- Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/02
- Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/02
- Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/01
- Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/01
- Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/01
- Re: non working code .. loop ends after one, Kerin Millar, 2023/03/01
- Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/02
- Re: non working code .. loop ends after one,
Kerin Millar <=
- Re: non working code .. loop ends after one, Greg Wooledge, 2023/03/02
- Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/03
- Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/03
Re: non working code .. loop ends after one, alex xmb ratchev, 2023/03/01
Re: non working code .. loop ends after one, Chet Ramey, 2023/03/01