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shell 脚本学习 awk_shell脚本中getline-CSDN博客

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文章浏览阅读443次。格式awk ' BEGIN{ print "start" } pattern { commands } END{ print "end" } file特殊变量[clz@localhost ~]$ echo -e "line1 f2 f3\nline2 f4 f5\nline3 f6 f7" | awk '{print "Line no:"NR,"No of fields:"NF , "$0="$0_shell脚本中getline