摘要： [xbai@cn0571soft01 montage-tech]$ LANG=en_US hg tipchangeset: 6550:3fd86b1549f9tag: tipparent: 6548:24c138637d84parent: 6549:15c997e301dcdate: Fri Dec 20 17:40:46 2013 +0800description:[xbai@cn0571soft01 montage-tech]$ hg tipÐ޸ļ¯: 6550:3fd86b1549f9±êÇ&# 阅读全文

摘要： Fromhttp://stackoverflow.com/questions/947897/block-comments-in-a-shell-scriptIn bash:#!/bin/bashecho before comment: <<'END'bla blablurflENDecho after commentThe ' and ' around the first END delimiter is important, otherwise things inside the block like for example $(command) 阅读全文

摘要： Fromhttp://linuxconfig.org/addition-and-subtraction-arithmetics-with-linux-date-commandAddition and subtraction arithmetics with Linux date commandThis article features some simple examples on how to add or subtract a time from a current date. At first we use a native date sytax to do this trick and 阅读全文