.TH DIFFERENCE-UID-LISTS 1 2023-02-12 NCBI "NCBI Entrez Direct User's Manual" .SH NAME difference\-uid\-lists \- compute symmetric difference of two numerical lists .SH SYNOPSIS \fBdifference\-uid\-lists\fP \fIfilename1\fP \fIfilename2\fP .SH DESCRIPTION \fBdifference\-uid\-lists\fP computes the symmetric difference of the specified number lists (expected to contain one number per line) and sorts the result numerically. .SH SEE ALSO .BR combine\-uid\-lists (1), .BR efetch (1), .BR efilter (1), .BR esearch (1), .BR exclude\-uid\-lists (1), .BR intersect\-uid\-lists (1).