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顯示具有 shell script 標籤的文章。 顯示所有文章
顯示具有 shell script 標籤的文章。 顯示所有文章

2012年7月1日 星期日

shell script 數字補0

數字1、2、3、 補0 => 01、02、03

xx=`echo $num|awk'{printf "%02d", $1}'`
echo $xx;