5.27. Perl continue statement

发布时间 : 2025-10-25 13:33:01 UTC      

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Perl continue blocks are usually executed before the conditional statement is judged again.

continue statement can be used in the while and foreach in a loop.

5.27.1. Grammar #

while in circulation continue the syntax format of the statement isas follows:

while(condition){ statement(s); }continue{ statement(s); } 

In foreach circulation , the continue syntax format of the statement is as follows:

foreach $a (@listA){ statement(s); }continue{ statement(s); } 

Example #

while use in a loop continue statement:

Example #

#/usr/bin/perl$a=0;while($a<3 ){print"a='$a\\n";}continue{$a=$a+1;}    

Execute the above program, and the output is as follows:

a = 0 a = 1 a = 2 

foreach use in a loop continue statement:

Example #

#/usr/bin/perl@list=(1,2,3,4,5);foreach$a(@list){print"a =$a\\n";}continue{lastif$a==4;} 

Execute the above program, and the output is as follows:

a = 1 a = 2 a = 3 a = 4 
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