Platform Release, "Prepare release" step doesn't work

sujan@LenovoX1:/mnt/c/Projects/Cordova/cordova-repos$ for l in cordova-windows; do ( cd $l; v="$(grep '"version"' package.json | cut -d'"' -f4)"; if [[ $v = *-dev ]]; then v2="${v%-dev}"; echo "$l: Setting version to $v2"; sed -i '' -E 's/version":.*/version": "'$v2'",/' package.json; fi) ; done
cordova-windows: Setting version to 5.1.0
sed: can't read s/version":.*/version": "5.1.0",/: No such file or directory