sh: 今日書いたやつ
#!/bin/sh logfile=extraction.maillog; echo >$logfile; ls -r -1 maillog* | while read maillog_name do cat $maillog_name | grep "to=anyone@example.com" >> $logfile; done
#!/bin/sh logfile=extraction.maillog; echo >$logfile; ls -r -1 maillog* | while read maillog_name do cat $maillog_name | grep "to=anyone@example.com" >> $logfile; done