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shiraji/今週の火曜日は何日？

Last active December 14, 2015 23:39
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今週の火曜日は何日？
#!/bin/sh
#対象の曜日を指定。0が日曜日。
targetDay=2
#曜日取得
day=`date +%w`
#対象の曜日までの日数
numOfdays=`expr $targetDay - $day`
#対象の日付を取得
date=`date -d "$numOfdays days" +"%Y-%m-%d"`
echo $date
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