Question

有没有办法让这个正则表达式在开头放置$ {color orange}，并在找到日期的行的末尾加上$ color？

DJS=`date +%_d`;
cat thisweek.txt | sed s/"\(^\|[^0-9]\)$DJS"'\b'/'\1${color orange}'"$DJS"'$color'/

通过这个表达式，我得到了这个：

Saturday Aug 13 12pm - 9pm 4pm - 5pm Sunday Aug 14 9:30am - 6pm 1pm - 2pm Monday Aug 15 6:30pm - 11:30pm None Tuesday Aug 16 6pm - 11pm None Wednesday Aug 17 Not Currently Scheduled for This Day Thursday Aug ${color orange}18$color Not Currently Scheduled for This Day Friday Aug 19 7am - 3:30pm 10:30am - 11:30am

我想要的是：

Saturday Aug 13 12pm - 9pm 4pm - 5pm Sunday Aug 14 9:30am - 6pm 1pm - 2pm Monday Aug 15 6:30pm - 11:30pm None Tuesday Aug 16 6pm - 11pm None Wednesday Aug 17 Not Currently Scheduled for This Day ${color orange}Thursday Aug 18 Not Currently Scheduled for This Day$color Friday Aug 19 7am - 3:30pm 10:30am - 11:30am

Answer 1

~~非常，它对我有用。根据您的sed版本，您可能需要传递-r。另外，正如tripleee所说，不要在这里使用cat~~

DJS=`date +%_d`
sed -r s/"\(^\|[^0-9]\)$DJS"'\b'/'\1${color orange}'"$DJS"'$color'/ thisweek.txt

编辑：好的，所以我得到的新信息是：

sed -r "s/([^0-9]+19.+)/\${color orange}\1\$color/" thisweek.txt

这给了我输出

Saturday Aug 13 12pm - 9pm 4pm - 5pm
Sunday Aug 14 9:30am - 6pm 1pm - 2pm
Monday Aug 15 6:30pm - 11:30pm None
Tuesday Aug 16 6pm - 11pm None
Wednesday Aug 17 Not Currently Scheduled for This Day
Thursday Aug 18 Not Currently Scheduled for This Day
${color orange}Friday Aug 19 7am - 3:30pm 10:30am - 11:30am $color

（请注意，它与你的星期五不同，至少在我的时区是如此）

正则表达式用$ {color}和$ color包装一行

1 个答案: