snopy
V2EX  ›  问与答

问一个 shell 脚本的问题

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  •   snopy · Aug 28, 2015 · 1826 views
    This topic created in 4000 days ago, the information mentioned may be changed or developed.

    脚本如下:
    DATE='date -d last-day +%m%d'
    find /home/oracle/hadoop/pubdata/ -name '${DATE}.csv$' | wc -l
    目的是统计 /home/oracle/hadoop/pubdata/目录下以${DATE}.csv (即 0827.csv )结尾的文件个数,大婶能告诉我'${DATE}.csv$'这里该怎么改?文件明明有 49 个,但是运行结果总为 0 ,请指点迷津,谢谢

    3 replies    2015-08-28 21:04:31 +08:00
    Aliencn
        1
    Aliencn  
       Aug 28, 2015
    find /home/oracle/hadoop/pubdata/ -name "${DATE}.csv" | wc -l
    zent00
        2
    zent00  
       Aug 28, 2015
    有变量时请使用双引号。
    carlhan
        3
    carlhan  
       Aug 28, 2015
    DATE=$(date -d last-day +%m%d )
    find /home/oracle/hadoop/pubdata/ -name "${DATE}.csv" | wc -l
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