Re: substitution "read all from fd" silently fails: $(<&0)

[Greg Wooledge]

On Wed, Jul 01, 2015 at 10:19:10PM +0300, Ilya Basin wrote:
> Want to read whole stdin into variable.
> Don't want to spawn new processes (cat).

If the data stream does not contain any NUL bytes, you can use:

IFS= read -r -d '' variable