NAME

       filter-columns - filter a tab-delimited table per custom criteria

SYNOPSIS

       filter-columns expr

DESCRIPTION

       filter-columns  reads  a  tab-delimited  table  from standard input and writes to standard
       output all rows matching the awk(1) expression expr.

NOTE

       Callers will typically want to surround expr by single quotes to  protect  it  from  shell
       expansion.

SEE ALSO

       awk(1),  print-columns(1), reorder-columns(1), sort-table(1), transmute(1), uniq-table(1),
       xtract(1).