Example Analysis of Perl Control flow
This article will explain in detail the example analysis of Perl control flow for you. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.
Perl control flow (if condition, while,for loop...)
1. Sentence block:
The part between {} is the BLOCK statement block.
two。 Conditional statement:
If (expression) BLOCK; if (expression) BLOCK1 elseBLOCK2; if (expression1) BLOCK1; elsif (expression2) BLOCK2; else BLOCK3; # inverted if statement expressionif (test_expression)
The relational operators involved in the Perl control flow:
Numeric value comparison: =, >, =