add option: --write-header we can omit the relation's header and generate just the records and append them to an existing relational stream: (relpipe-in-cli --relation rrr --attribute a integer; relpipe-in-cli --write-header false --relation rrr --attribute XXX integer --records 1 2 3) | relpipe-out-tabular

syntax: glob

*~
CMakeLists.txt.user

syntax: regexp

^temp/

^\.dep\.inc
^dist/
^build/
^nbproject/private/