[Nottingham] Help... How to grep four words in a file appearing in any permutation?

[Jason Irwin]

On 23/11/15 15:33, Martin wrote:
> How to grep for four words in a file that can appear in any permutation?
All on one line?

grep alpha my.file | grep beta | grep gamma | grep delta

That works in my *very* simple test. A quick DDG shows a few examples
using AWK and the like:

awk '/alpha/&&/gamma/&&/delta/&&/beta/' my.file


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