linux: shuf

pages/linux/shuf.md

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+# shuf
+
+> generate random permutations
+
+- randomize strings position in file
+
+`shuf {{filename}}`
+
+- generate random numbers in range
+
+`shuf -i LO-HI`
+
+- take first n results from output
+
+`shuf -n {{n}} {{filename}}`
+
+- write output to another file
+
+`shuf -o {{another_filename}} {{filename}}`