https://wenhan.blog/en/tags/awk/ Recent content in awk on Wenhan blog Hugo -- gohugo.io en-US Fri, 24 Nov 2017 08:34:34 +0000 https://wenhan.blog/en/posts/20171124_awk-time-functions/ Fri, 24 Nov 2017 08:34:34 +0000 https://wenhan.blog/en/posts/20171124_awk-time-functions/ Apart of date, awk also has below built-in time functions which will help you to resolve time convert problem systime() This will return the current time as the number of seconds since the Epoch (1970-01-01 00:00:00). 1 2 3 4 $ awk 'BEGIN { > print "Number of seconds since the Epoch = " systime() > }' Number of seconds since the Epoch = 1511480989 mktime(YYYY MM DD HH MM SS) This will convert date string “YYYY MM DD HH MM SS"b to the numbaer of secondss since the Epoch.