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Awk学习笔记整理:JimsofHYPERLINK"http://www.ringkee.com/"\t"_top"肥肥世家<HYPERLINK"mailto:jims.yang@gmail.com"jims.yang@gmail.com>Copyright©2004本文遵从GPL协议,欢迎转载、修改、散布。第一次发布时间:2004年8月6日TableofContentsHYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2874788"1.awk简介HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2875182"2.awk命令格式和选项HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2875104"2.1.awk的语法有两种形式HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2811790"2.2.命令选项HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2810094"3.模式和操作HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2810128"3.1.模式HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2810236"3.2.操作HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2810288"4.awk的环境变量HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861410"5.awk运算符HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861636"6.记录和域HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861644"6.1.记录HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861680"6.2.域HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861697"6.3.域分隔符HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861728"7.gawk专用正则表达式元字符HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861902"8.POSIX字符集HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861922"9.匹配操作符(~)HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861937"10.比较表达式HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861975"11.范围模板HYPERLINK"http://man.lupaworld.com/content/manage/ringkee/awk.htm"\l"id2861992"12.一个验证passwd文件有效性的例子HYPERLINK"http://man.lupaworld.com/content/man