.TH cif-drop 1 "2020-11-23" "version 1.0.0" "User Commands" .if n .ad l .nh .SH NAME cif\-drop \- A tool to drop columns from mmCIF files .SH SYNOPSIS cif\-drop [OPTION] file1 [file2..] .SH DESCRIPTION This tool makes it easy to drop a single column from a category in mmCIF files. .SH OPTIONS .TP \fB--output\fR=, \fB-o\fR Write output to \fI\fR, default is \fIstdout\fR. .TP \fB--column\fR=, \fB-c\fR Colunn to drop, should be of the form \fB'_category.item'\fR with the leading underscore. Can be specified multiple times. .TP \fB--verbose\fR,\fB-v\fR Be more verbose, useful to diagnose validation errors. .SH AUTHOR Written by Maarten L. Hekkelman .SH "REPORTING BUGS" Report bugs at https://github.com/PDB-REDO/cif-tools/issues .SH "SEE ALSO" \fBcif-diff\fR, \fBcif-grep\fR, \fBcif-merge\fR, \fBcif-validate\fR, \fBcif2pdb\fR, \fBmmCQL\fR, \fBpdb2cif\fR.