CDO - 比较操作

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本篇随笔将介绍 CDO 将一个数据集与另一个数据集或常数进行比较的功能

比较操作 Comparison Operators

Comparison of two fields 两个字段的比较

<operator> infile1 infile2 outfile

  • 描述
    eq infile1 infile2 outfile

    neq infile1 infile2 outfile

    le infile1 infile2 outfile

    lt infile1 infile2 outfile

    ge infile1 infile2 outfile

    gt infile1 infile2 outfile

<operator>,c infile outfile

  • 描述
    eqc,c infile outfile

    neqc,c infile outfile

    lec,c infile outfile

    ltc,c infile outfile

    gec,c infile outfile

    gtc,c infile outfile