Perl 循环 不像for和while循环,它们是在循环头部测试循环条件。在 Perl 语言中,do...while循环是在循环的尾部检查它的条件。 do...while循环与 while 循环类似,但是 do...while 循环会确保至少执行一次循环。 语法 语法格式如下所示: do{statement(s);}while(condition); 请注意,条件
Perl 循环 不像for 和while 循环,它们是在循环头部测试循环条件。在 Perl 语言中,do...while 循环是在循环的尾部检查它的条件。 1语法 2流程图 do...while 循环与 while 循环类似,但是 do...while 循环会确保至少执行一次循环。 语法 语法格式如下所示: do { statement(s); }while( condition ); 请...
Quiz on Perl do...while Loop - Learn how to use the do...while loop in Perl with examples and explanations on its syntax and functionality.
# Perl program to illustrate # the foreach loop # Array @data = ( 'GEEKS' , 'FOR' , 'GEEKS' ); # foreach loop foreach $word ( @data ) { print $word } 输出如下: lsbin while循环 while循环通常在括号中使用一个表达式。如果表达式为True, 则执行while循环体内的代码。当我们不知道要执行...
VB .NET循环语句Perl循环语句 Do While cond : ... : Loopwhile ($cond) { ... } Do Until ...
Perl do...while 循环 Perl 循环 不像 for 和 while 循环,它们是在循环头部测试循环条件。在 Perl 语言中,do...while 循环是在循环的尾部检查它的条件。 do...while 循环与 while 循环类似,但是 do...while 循环会确保至少执行一次循环。 语法 语法格式如下所示: do
1. Awk While Loop Example: Create a string of a specific length $awk 'BEGIN { while (count++<50) string=string "x"; print string }' xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx The above example uses the ‘BEGIN { }’ special block that gets executed before anything else in an Aw...
do statement while (condition); 2. Multi-statement "do ... while": do { statement; statement; ... } while (condition); All forms of "do ... while" statements are executed like this: Step 1: Execute the statement or statements enclosed in the loop. ...
perl do do BLOCK Not really a function. Returns the value of the last command in the sequence of commands indicated by BLOCK. When modified by the "while" or "until" loop modifier, executes the BLOCK once before testing the loop condition. (On other statements the loop modifiers test the...
!!! powershell script to add a word in the beginning of the text file - URGENT !!! 'A positional parameter cannot be found that accepts argument '$null'. 'Name' Attribute cannot be modified - owned by the system 'set-acl.exe' not recognized as the name of a cmdlet, 'Set-ExecutionP...