.TH CIF_DIFF 1
.SH NAME
cif_diff \- parse two CIF files and compare their content

.SH SYNOPSIS
cif_diff \-\-options input1.cif input2.cif

.SH DESCRIPTION
Parse two CIF files and compare their content

.SH OPTIONS
\-t, \-\-tags
                  Whitespace\- or comma\-separated list of tags to compare.
                  When present, only tags enumerated with this option are
                  compared.


\-a, \-\-add\-tag
                  Add a tag to the list of compared tags.


\-c, \-\-clear\-tags
                  Clear the list of compared tags.


\-f, \-\-file\-with\-tags
                  Specify a file with tags to be compared.


\-\-compare\-all\-tags
                  Compare all tags present in the compared files (default).


\-\-no\-compare, \-\-exclude
                  Whitespace\- or comma\-separated list of tags not to compare.
                  When present, enumerated tags will be excluded from the
                  comparison.


\-\-compare\-datablock\-names

\-\-dont\-compare\-datablock\-names
                  Also compare the names of CIF data blocks. Default: on.


\-\-compare\-numeric _cell_length_a
                  Force numeric comparison for given tag.


\-\-compare\-string _cell_length_a
                  Force string comparison for given tag.


\-\-ignore\-empty\-values
                  Ignore tags with empty values.


\-\-no\-ignore\-empty\-values

\-\-dont\-ignore\-empty\-values
                  Take tags with empty values into comparison (default).


\-\-no\-left
                  Do not print tags present in the left file only.
                  Similar to 'comm \-1'.


\-\-no\-right
                  Do not print tags present in the right file only.
                  Similar to 'comm \-2'.


\-\-no\-common
                  Do not print tags with the same values in both files.


\-\-folding\-width 72
                  Specify the length of the longest unfolded line.


\-\-fold\-long\-fields

\-\-dont\-fold\-long\-fields
                  Fold fields, longer than folding width. Default: on.


\-L, \-u
                  Ignored options. Used to make this script usable
                  as \-\-diff\-cmd for 'svn diff'.


\-\-use\-perl\-parser
                  Use Perl parser to parse CIF files.

\-\-use\-c\-parser
                  Use C parser to parse CIF files (default).


\-\-help, \-\-usage
                  Output a short usage message (this message) and exit.

\-\-version
                  Output version information and exit.

.SH "REPORTING BUGS"
Report cif_diff bugs using e\-mail: cod\-bugs@ibt.lt