求日期

wh7211

回复 1# zhaopingzi

1. cat 1
   
2. 2020-01-31
   
3. 2020-02-01
   
4. 
   
5. awk '{gsub("-"," ");a=mktime(""$1" "$2" "$3" 0 0 0");b=a-60*60*24*7;print strftime("%Y-%m-%d",b)}' 1
   
6. 2020-01-24
   
7. 2020-01-25

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