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Below are useful command-line utilities that can be called from the CDM library.
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The easiest way to use these is to grab the latest netcdfAll.jar file.
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One way to use these tools is to grab the latest netcdfAll.jar or toolsUI.jar file from the [Unidata downloads page](https://downloads.unidata.ucar.edu/netcdf-java/){:target="_blank"} or the [netCDF-Java GitHub releases page](https://github.com/Unidata/netcdf-java/releases){:target="_blank"}.
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However, a super handy [community-led effort](https://github.com/conda-forge/netcdf-java-feedstock){:target="_blank"} makes JAR management and a set of convenient wrapper scripts (`.sh` and `.bat`) available through `conda-forge`:
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```bash
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conda install -c conda-forge netcdf-java
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```
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## Utilities
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*[ncdump](#ncdump): prints the textual representation of a dataset to standard output
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*[nccopy](#nccopy): copies a CDM dataset to a netCDF-3 (default) or netCDF-4 file
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*[CFPointWriter](#cfpointwriter): copies a CDM point feature dataset to CF/NetCDF format
Note that the output file is placed in the root directory of the collection, as specified by the [Collection Specification string](https://docs.unidata.ucar.edu/tds/current/userguide/collection_spec_string_ref.html){:target="_blank"} of the GRIB [`<featureCollection>`](grib_feature_collections_ref.html).
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The conda wrapper script is named `ncj-gribcdmindex`.
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## FeatureScan
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Scans all the files in a directory to see if they are [CDM files](file_types.html) and can be identified as a particular feature type.
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