删除某列 #53
guodongxiaren
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删除某列
#53
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也可以不需要BEGIN指定输出的分隔符
缺点还是一样,需要枚举剩余的列 |
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删除文件中第一列
awk暴力解法
优点是简单,容易想到。缺点是如果列很多就要一一枚举。
awk其他解法
也可以这样:
但是这样,会保留分隔符。变成:
可以再搭配一个删除首行字符的操作:
如果想删开头两个字符可以用:
两个点。
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