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I have 200 output files, of which I need to compare one line. The exact line varies, but Total Energy = xyz always exists. Is there an easy way to copy that line from my output files in a new file? I'm using Ksh, by the way.

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1 Answer 1

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grep is the simplest command for this.

Assuming you have files in one folder then

grep 'Total Energy =' dir/* > results.txt

Without more information on the way your files are named / organized, I can't be more precise. Hopefully this will let you solve it

Other solutions might use sed or awk, but grep is probably the simplest

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