abinit/doc/guide/abitk.md

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---
authors: XG, DCA, JWZ
---
# The abitk utility
The user is advised to be familiar with the main [[help:abinit]] help file
before reading the present file.
## 1 Introduction
This simple utility, which is built along with ABINIT during the compilation phase,
simply reads output files and displays selected information. It is designed primarily
to read output files saved in `netcdf` format. The options can be seen by running
abitk -h
## 2 Typical usage
In a typical ABINIT run, an input file `run.abi` produces a number of output files,
including `run.abo` and `run.abo_GSR.nc`. The latter of these contains information
about the Ground State Run in `netcdf` format. One can examine this file with
abitk crystal_print run.abo_GSR.nc
for example, which will extract and print information about the crystal structure used
in the run.