interleave

Interleaves records of all files in the input. The records will returned in the same order as the files.

Usage:
    st interleave [options][-a <attr>...][-l <list>...] [<input>...]
    st interleave (-h | --help)
    st interleave --help-vars

Options:
    -n, --no-id-check   Don't check if the IDs of the files match

See this page for the options common to all commands.