Here’s a quick tip on how to replace all spaces with a dot in vim:

:%s/[ \t]/./

And here’s how to remove all trailing spaces at the end of each line:

:%s/\s\+$//

Have any more vim quick tips? Let’s hear them in the comments.

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Here’s a quick command line tip to find files older than 5 days, and execute an action on those files:

find /home/foo/* -mtime +5 -exec echo {} > oldfiles.txt \;
&& mail -s "files older than 5 days" foo@foogazi.com < oldfiles.txt

This command searches for files that are older than 5 days, and sends the output to oldfiles.txt, then an email is sent to foo@foogazi.com with a list of the old files.

Alternatively, you could search for files older than 5 days, then delete them using this command:

find /home/foo/* -mtime +5 -exec rm {} \;

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