摘要： 字符串函数 参考：https://www.runoob.com/w3cnote/awk-built-in-functions.html gsub( Ere, Repl, [ In ] ) gsub 是全局替换( global substitution )的缩写。除了正则表达式所有具体值被替代这点，它 阅读全文

摘要： test.txt Test|A|0|zhangsan Test|B|0|liming Test|C|1|lisi sub替换 cat test.txt |awk -F'|' '{sub("A","90",$2);sub("B","80",$2);sub("C","60",$2);print $1,$ 阅读全文