On 2024-01-12 20:14, Philip Rogers wrote:
> Hi,
>
> `date` seems not to support reading from stdin.
>
> So if you want the "last data modification" date of a file, in ISO8601 format
> at the seconds level, you have to:
>
> stat --format "%Y" check.txt | { read ts; date -d@"$ts"; }
You want process substitution:
date -d@$(stat --format "%Y" check.txt)
It's too easy to interpolate the numeric time into the date
command line. Even if we are doing fork + exec in C,
it's just a snprintf job to produce a "-d@12345..."
argument.
