回答編集履歴
1
update
    
        answer	
    CHANGED
    
    | @@ -2,9 +2,9 @@ | |
| 2 2 | 
             
            $ awk --version
         | 
| 3 3 | 
             
            GNU Awk 5.1.0, API: 3.0 (GNU MPFR 4.1.0, GNU MP 6.2.1)
         | 
| 4 4 |  | 
| 5 | 
            -
            $ awk -F, '$1=="\"2\""{$4="\"そら\""}{print}' data.csv 
         | 
| 5 | 
            +
            $ awk -F, -vOFS=, '$1=="\"2\""{$4="\"そら\""}{print}' data.csv 
         | 
| 6 6 | 
             
            "id","項目1","項目2","項目3"
         | 
| 7 7 | 
             
            "1","ねこ","ばなな","やま"
         | 
| 8 | 
            -
            "2" | 
| 8 | 
            +
            "2","いぬ","ぶどう","そら"
         | 
| 9 9 | 
             
            "3","ひと","みかん","まち"
         | 
| 10 10 | 
             
            ```
         | 
