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scripting:nonportable [2019/08/30 16:25] ersen use a for loop instead of while for gawk command |
scripting:nonportable [2019/08/30 16:30] (current) ersen use a for loop instead of while for mawk and nawk command |
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| # 'nawk' and 'mawk' does the same, but needs a seed to be provided for its rand() function. In this example we use $(date) | # 'nawk' and 'mawk' does the same, but needs a seed to be provided for its rand() function. In this example we use $(date) | ||
| - | randpm=$(mawk -v min=1 -v max=500 -v nNum=10 -v seed="$(date +%Y%M%d%H%M%S)" 'BEGIN {srand(seed); i = 0; while (i < nNum) { print int(min+rand()*(max-min)); ++i} }') | + | randpm=$(mawk -v min=1 -v max=500 -v nNum=10 -v seed="$(date +%Y%M%d%H%M%S)" 'BEGIN { srand(seed); for (i = 0; i < nNum; ++i) {print int(min + rand() * (max - min)} }') |
| </code> | </code> | ||
| //Yes, I'm not an ''awk'' expert, so please correct it, rather than complaining about possible stupid code!// | //Yes, I'm not an ''awk'' expert, so please correct it, rather than complaining about possible stupid code!// | ||