如何從Perl中刪除哈希鍵？

Question

如何從現有地圖中刪除密鑰？對於

if (exists $sampleMap{1}) 
{ 
     #Here I want to remove the "1" key from sampleMap 
} 

Answer 1

使用delete刪除哈希鍵：

if (exists $sampleMap{1}) 
{ 
     delete $sampleMap{1}; #Here I want remove the "1" key from sampleMap. 
} 

有關詳細信息，看看delete。