>>> On Tue, Sep 4, 2007 at 2:32 PM, in message <[EMAIL PROTECTED]>, "Edmund R. MacKenty" <[EMAIL PROTECTED]> wrote: > On Tuesday 04 September 2007 14:21, Scully, William P wrote: >>What's the best technique for trimming a file? IE: I have file >>"/var/log/toolarge". What's the fastest technique to discard >> >>- The first 10,000 records? > > head -n 10000 /var/log/toolarge > /var/log/toolarge.$$ && > mv /var/log/toolarge.$$ /var/log/toolarge
MacK, this will keep only the first 10K records, not discard them. >>- The last 10,000 records? > > tail -n 10000 /var/log/toolarge > /var/log/toolarge.$$ && > mv /var/log/toolarge.$$ /var/log/toolarge And this will keep only the last 10K records, not discard them. Mark Post ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
