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| File: [Development] / xfs-cmds / xfstests / randomize.awk (download)
Revision 1.1, Fri Dec 2 05:03:41 2005 UTC (11 years, 10 months ago) by ajones.longdrop.melbourne.sgi.com
Added randomize test option to ./check Merge of master-melb:xfs-cmds:24664a by kenmcd. A simple awk function that randomizes stdin. |
# Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved.
# randomize stdin.
function randomize(array, N) {
for(i = 0; i < N; i++) {
j = int(rand()*N)
if ( i != j) {
tmp = array[i]
array[i] = array[j]
array[j] = tmp
}
}
return
}
{
srand()
for (i = 0; i < NF; i++ ) array[i] = $(i+1)
randomize(array, NF)
for (i = 0; i < NF; i++) printf("%s ", array[i])
}