Command line argument variable @ARGV
2015年9月30日 — It chops off the first two arguments from @ARGV and puts them in $var1 and $var2. Personally I would have written it as: $var1 = shift @ARGV ...
Perl “Shift” Function
The command line argument values can be read using the “shift” command without any argument. The @ARGV array is used to store the command line argument values.
perl_how.txt
... perl 敘述式均得以; 分號結尾@command = (start, stop, draw, exit ... ARGV 是全部的參數@ARGV[0] 是第一個參數, @ARGV[1] 是第二個參數print -@ARGV = @ARGV ...
Perl中shift函数用法原创
2020年11月5日 — 这句实现了直接获取用户传递的第一个参数。 其中@ARGV: 以@开头的表明是一个list ,含义是包含了程序从命令行得到的所有参数. 注:.
Processing command line arguments
2013年7月7日 — You can go over the elements using foreach, or access them one by one using an index: $ARGV[0]. You can also use shift, unshift, pop or push on ...
shift
#shift ARRAY: #shift. Removes and returns the first element of an array. This shortens the array by one and moves everything down.
shift in Perl
2015年12月17日 — The shift function in Perl will remove the first value of the array passed to it and return it. ... Note, the array itself got shorter. The first ...
What does shift() do in Perl?
2008年11月17日 — shift() is a built in Perl subroutine that takes an array as an argument, then returns and deletes the first item in that array.