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不同的linux版本,运行相同指令会有不同的结果吗?
当我执行以下指令时
awk '/^web/{T=$0;next;}{print T":"t,$0;}' text.txt
运行结果
结果中的“:”后只有一个空格,也就是说指令中的“,”有效,而它前面的t似乎没什么作用,去掉后再执行,结果也不会发生变化
当我把指令换成
awk '/^web/{T=$0;next;}{print T":\t"$0;}' text.txt
运行结果
”:“后有三个空格,为一个制表符