#! /bin/sh if escript_path=$(command -v escript) then echo "Using escript found at $escript_path" escript install.escript if zx_link=$(command -v zx) then echo "zx found in \$PATH at $zx_link. Checking for upgrade." echo "Running \`zx upgrade\`..." zx upgrade else echo "zx is not yet in \$PATH. Once you have added zx's location to \$PATH run \`zx upgrade\`." fi else echo "Could not locate an Erlang installation." fi