.TH FILTER-STOP-WORDS 1 2023-01-24 NCBI "NCBI Entrez Direct User's Manual" .SH NAME filter\-stop\-words \- filter out unindexed NCBI Entrez words .SH SYNOPSIS .B filter\-stop\-words .SH DESCRIPTION \fBfilter\-stop\-words\fP is a Unix\-style filter that lets through only those lines of its input that do not consist of words that an Entrez search would ignore. Its input is expected to comprise one lowercase alphanumeric term per line, as produced by \fBword\-at\-a\-time\fP(1). .SH SEE ALSO .BR phrase\-search (1), .BR word\-at\-a\-time (1).