/usr/share/dx/samples/scripts/Echo is in dxsamples 4.2.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | // Import a field
electrondensity = Import("watermolecule");
// Partition the data
electrondensity = Partition(electrondensity);
// Compute the gradient of the data
gradientdensity = Gradient(electrondensity);
// compute the divergence and curl of the gradient field
divergence, curl = DivCurl(gradientdensity);
// Find the statistics of the divergence
mean,sd,var,min,max = Statistics(divergence);
// Create an echo string listing the statistics
Echo("divergence field: mean=",mean,"sd=",sd,"min=",min,"max=",max);
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