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Re: Suppress a "No such file” message when using the ls command
From: |
Andreas Kusalananda Kähäri |
Subject: |
Re: Suppress a "No such file” message when using the ls command |
Date: |
Mon, 30 Mar 2020 20:05:29 +0200 |
On Mon, Mar 30, 2020 at 07:28:09PM +0200, Richard Taubo wrote:
> Hi!
>
> Trying to get the last pdf file in a directory and suppress a “No such file”
> message when a pdf file does not exist.
> This works in zsh:
> my_last_file=$(/bin/ls -t *.pdf | head -1) 2> /dev/null
>
> The same command returns a “No such file or directory” in bash when now pdf
> files are found.
>
> I get this to work though, but that will require more steps:
> my_last_file=$(/bin/ls -t *.pdf 2> /dev/null)
>
> Thansk for any input!
>
>
> Best regards
> Richard Taubo
Since you have zsh installed, you may use that from bash:
my_last_file=$(zsh -c 'print -nr -- *.pdf(.Nom[1])')
--
Andreas (Kusalananda) Kähäri
SciLifeLab, NBIS, ICM
Uppsala University, Sweden
.