How to pipe a here-document through a command and capture the result into a variable?

Question

Right now this outputs the value I need on stdout. How can I capture it into a variable so I can use it in the rest of the script?

Requirements:

• The scrip

Answer 1

This seems to work (based on Ignacio's answer). By using a subshell the here-document is correctly piped into xsltproc while still being passed through tail after.

VERSION=$((xsltproc - ../pom.xml | tail -1) << EOF




EOF
)