shell命令之column对齐字段

Posted 2020-11-05

可以将文本结果转换为整齐的表格，上下对齐

命令: Column

使用的参数：
-t ：表格，默认以空格间隔
-s：需要配合-t使用，指定分隔符

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监控ogg命名字段对齐

[[email protected] ogg]$ (echo info all;echo exit)|./ggsci|grep -E "EXTRACT|REPLICAT" |awk ‘BEGIN {FS=" +"} {print $3,$2,$4,$5}‘ DP_XNJC RUNNING 00:00:00 00:00:04 XNJC RUNNING 00:00:00 00:00:07 [[email protected] ogg]$ (echo info all;echo exit)|./ggsci|grep -E "EXTRACT|REPLICAT" |awk ‘BEGIN {FS=" +"} {print $3,$2,$4,$5}‘ |column -t DP_XNJC? RUNNING? 00:00:00? 00:00:06 XNJC????????? RUNNING? 00:00:00? 00:00:09

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${COLUMN:-}

如果COLUMN是空变量，或者变量不存在，返回-后面的内容，如果变量有值返回这个值