如下幾種方式均可修改嘗試:
1.shell截取小數為整:
printf "%.f" 60.345
echo "60.345" | awk F. '{print $1}'
sed 's/\..*//g'
cut -d . -f 1 urfile
sed 's/\..*//' urfile
2.為末尾增加字元:
sed '$s/$/&newchar/' file
sed '/bbb/s/$/,newchar/' test
echo $s"newchar"
3.通過正規表達式截取其中數字或非數字:
data1=`grep -rn "right" index.html | awk -F '>' '{print $2}' | awk -F '<' '{print $1}'|awk 'NR!=1;'|awk 'NR!=1'`
echo "data1:"$data1
Value1=${data1//[^0-9]/ }
echo "Value1:"$Value1
本文轉自 念槐聚 部落格園部落格,原文連結:http://www.cnblogs.com/haochuang/archive/2012/06/12/2545825.html,如需轉載請自行聯系原作者