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博客园 - chenzechao

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shell变量带默认值配置
chenzechao · 2025-08-08 · via 博客园 - chenzechao
#获取ETL任务跑批开始日期[默认取上月1号]
ETL_START_DATE="${ETL_START_DATE:-`date -d "${bizdate:0:6}01 - 1 months" +"%Y%m%d"`}"
#获取ETL任务跑批结束日期[默认取T-1]
ETL_END_DATE="${ETL_END_DATE:-$bizdate}"

posted @ 2025-08-08 10:38  chenzechao  阅读(15)  评论(0)    收藏  举报

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