calculations
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Bash calculations
Examples
aa=8; bb=3; echo $((`echo $aa`-`echo $bb`))
yields: 5
datefile=/home/user/datefile.txt; echo `date +'%s'` > $datefile; sleep 5; echo $((`date +'%s'`-`cat $datefile`))
yields: 5
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calculations.txt · Last modified: 03-07-2020 13:42 by wim