This package merges contents of specified files into one file. Can traverse directory tree. Useful for things like combining .css files, etc.

npm install -g file-merge --registry=https://npm.cnb.cool/loviselu/publish-registry/-/packages/

file-merge [-i include-globs][-e exclude-globs][-r root] -o output

Globs for included and excluded files can be comma separated, i.e.

file-merge -i **/*.css,extras/*.css -e **/obsolete.css -o bundle.css