# hicInfo¶

Prints information about a matrix or matrices including matrix size, number of elements, sum of elements, etc. An example usage is: $hicInfo -m matrix1.h5 matrix2.h5 matrix3.h5 usage: hicInfo --matrices MATRICES [MATRICES ...] [--outFileName OUTFILENAME] [--no_metadata] [--help] [--version] ## Required arguments¶ --matrices, -m The matrix (or multiple matrices) to get information about. HiCExplorer supports the following file formats: h5 (native HiCExplorer format) and cool. ## Optional arguments¶ --outFileName, -o File name to save information of the matrix instead of writing it to the bash. --no_metadata, -nm Do not use meta data from cooler file to display information. This method is slower and was the default until version 2.2 of HiCExplorer. H5 files always use this parameter. Default: True --version show program’s version number and exit An example output looks like this: File: hic_matrix.h5 WARNING: bin size is not homogeneous. Median 434 Size: 339,684 Sum: 243,779,407 Bin length: 434 Chromosomes: 2L, 2R, 3L, 3R, 4, X Non-zero elements: 229,122,848 Minimum: 0 Maximum: 2116 NaN bins: 0 With HiCExplorer version 3 we support metadata in cooler files. The default behavior is to use the metadata:$ hicInfo -m matrix.cool

To use the old method (and default for h5) please add the parameter: