example-script/dependencies2.sh

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case "$@" in *--ignore-dependency-check*)
IGNOREDEPS=ok
esac
# this checks for that option and if it is ok, skip this process
if [ "$IGNOREDEPS" != ok ]
then
# It mutes the output but verifies if the command returns an error
# if that's true, then the process can't continue
command -v inkscape >/dev/null 2>&1 || { echo >&2 "Please install 'inkscape'"; DEPSCOMPLETE=n; }
command -v parallel >/dev/null 2>&1 || { echo >&2 "Please install 'parallel'"; DEPSCOMPLETE=n; }
command -v bah >/dev/null 2>&1 || { echo >&2 "Please install 'bash'"; DEPSCOMPLETE=n; }
command -v oppng >/dev/null 2>&1 || { echo >&2 "Please install 'parallel'"; DEPSCOMPLETE=n; }
fi