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check_numpy

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#!/usr/bin/env bash

#

# Check whether NumPy is installed.

#

# Usage: check_numpy

#

# VARIABLES #

# Find pip:

PIP=$(command -v pip 2>/dev/null)

# FUNCTIONS #

# Prints usage information.

usage() {

echo '' >&2

echo 'Usage: check_numpy' >&2

echo '' >&2

}

# MAIN #

if [[ -x "${PIP}" ]] && "${PIP}" show numpy | grep 'Version' >/dev/null; then

echo 'NumPy is installed.' >&2

exit 0

else

echo 'ERROR: missing dependency. Ensure pip is installed (https://github.com/pypa/pip). If so, please install NumPy (http://www.numpy.org/). Once installed, run the command again.' >&2

exit 1

fi

# TODO: check for minimum version