我想要删除数组引用中的特定数组。为此,我循环遍历数组引用,并寻找匹配项。如果找到匹配项,我尝试通过将其设置为等于“nothing”来删除该特定数组引用。在我编写的脚本中发生了两件奇怪的事情: 1)代码似乎在处理匹配项之前就能够识别感兴趣的数组与数组引用之间的匹配存在。 2)在尝试删除一个特定的数组引用时,我最终删除了所有引用。以下是我的代码:
#!/usr/bin/perl
use strict;
use warnings;
my @array_1 = ('CTCTTGCCTCAATCATATAT', 'CTCTTGCCTCATTGATATAT', 'CTCTTGCCTCAATCATATAT', 'CACTTGCCTCAATGAAATTT', 'GTCTTGCCTCATTGATAAAT', 'CACTTGCCTCAATGTAATAT', 'CTCTTCCCTCAATGATTTAA', 'CACTTGCCTCAATGATATAT', 'CTCTTGCCTCATTGATATAT', 'CTCTTGCCTCAATGTTATAT', 'CTGATGCCTCATTGATATAT', 'CTGTTGGCTCAATCATATAT');
my @array_2 = ('CACTTGCCTCAATGTAATAT', 'TATCATTGCCCAATTTAAGT', 'CACTTGCCTCAATGATATAT', 'CTCTTCCCTCAATGATTTAA', 'CTCTTGCCTCAATGTTATAT', 'CTGTTGGCTCAATCATATAT', 'CTGATGCCTCATTGATATAT', 'GTCTTGCCTCATTGATAAAT', 'CACTTGCCTCAATGAAATTT');
my @array_3 = ('TATCATTGCCCAATTTAAGT', 'TTTCTTTGCCGAATATAAGT', 'TTTCTATGCGCAATTTAAGT', 'TATCTTAGCCCAATTTTTGT', 'TTTCTTTGCCCAATATATGT', 'TTTCTTTGGCCTATTTTTGT', 'TTTGTTTGGCCATTTTATGT', 'TTTCTTTGGCGAATTTATCT', 'TTTCATTGCCCAATTATTGT', 'TTTCTTTGCCCAAAATAAGT', 'CACTTGCCTCAATGTAATAT');
my @array_4 = ('TTTCTTTGCCCAATATATGT', 'TTTCTTTGCCGAATATAAGT', 'TTTCTATGCGCAATTTAAGT', 'TATCTTAGCCCAATTTTTGT', 'TTTCTTTGGCCTATTTTTGT', 'TTTGTTTGGCCATTTTATGT', 'TTTCTTTGGCGAATTTATCT', 'TTTCATTGCCCAATTATTGT', 'TATCATTGCCCAATTTAAGT', 'TTTCTTTGCCCAAAATAAGT', 'CTCTTGCCTCAATCATATAT');
my $array_1_ref = \@array_1;
my $array_2_ref = \@array_2;
my $array_3_ref = \@array_3;
my $array_4_ref = \@array_4;
my @array_to_delete = ('CACTTGCCTCAATGTAATAT', 'TATCATTGCCCAATTTAAGT', 'CACTTGCCTCAATGATATAT', 'CTCTTCCCTCAATGATTTAA', 'CTCTTGCCTCAATGTTATAT', 'CTGTTGGCTCAATCATATAT', 'CTGATGCCTCATTGATATAT', 'GTCTTGCCTCATTGATAAAT', 'CACTTGCCTCAATGAAATTT');
print "Array to delete: ", join(", ", @array_to_delete), "\n";
my @array_of_array_references = ($array_1_ref, $array_2_ref, $array_3_ref, $array_4_ref);
for (my $i = 0; $i <= $#array_of_array_references; $i++){
print "\n", "A single array in the array of array references: ", join(", ", @{$array_of_array_references[$i]}), "\n";
if (@array_to_delete = @{$array_of_array_references[$i]}){
print "Both arrays match!\n";
@{$array_of_array_references[$i]} = ();
}
}
for (my $i = 0; $i <= $#array_of_array_references; $i++){
print "\n", "A single array in the array of array references after removing one: ", join(", ", @{$array_of_array_references[$i]}), "\n";
}
输出结果为:
Array to delete: CACTTGCCTCAATGTAATAT, TATCATTGCCCAATTTAAGT, CACTTGCCTCAATGATATAT, CTCTTCCCTCAATGATTTAA, CTCTTGCCTCAATGTTATAT, CTGTTGGCTCAATCATATAT, CTGATGCCTCATTGATATAT, GTCTTGCCTCATTGATAAAT, CACTTGCCTCAATGAAATTT
A single array in the array of array references: CTCTTGCCTCAATCATATAT, CTCTTGCCTCATTGATATAT, CTCTTGCCTCAATCATATAT, CACTTGCCTCAATGAAATTT, GTCTTGCCTCATTGATAAAT, CACTTGCCTCAATGTAATAT, CTCTTCCCTCAATGATTTAA, CACTTGCCTCAATGATATAT, CTCTTGCCTCATTGATATAT, CTCTTGCCTCAATGTTATAT, CTGATGCCTCATTGATATAT, CTGTTGGCTCAATCATATAT
Both arrays match!
A single array in the array of array references: CACTTGCCTCAATGTAATAT, TATCATTGCCCAATTTAAGT, CACTTGCCTCAATGATATAT, CTCTTCCCTCAATGATTTAA, CTCTTGCCTCAATGTTATAT, CTGTTGGCTCAATCATATAT, CTGATGCCTCATTGATATAT, GTCTTGCCTCATTGATAAAT, CACTTGCCTCAATGAAATTT
Both arrays match!
A single array in the array of array references: TATCATTGCCCAATTTAAGT, TTTCTTTGCCGAATATAAGT, TTTCTATGCGCAATTTAAGT, TATCTTAGCCCAATTTTTGT, TTTCTTTGCCCAATATATGT, TTTCTTTGGCCTATTTTTGT, TTTGTTTGGCCATTTTATGT, TTTCTTTGGCGAATTTATCT, TTTCATTGCCCAATTATTGT, TTTCTTTGCCCAAAATAAGT, CACTTGCCTCAATGTAATAT
Both arrays match!
A single array in the array of array references: TTTCTTTGCCCAATATATGT, TTTCTTTGCCGAATATAAGT, TTTCTATGCGCAATTTAAGT, TATCTTAGCCCAATTTTTGT, TTTCTTTGGCCTATTTTTGT, TTTGTTTGGCCATTTTATGT, TTTCTTTGGCGAATTTATCT, TTTCATTGCCCAATTATTGT, TATCATTGCCCAATTTAAGT, TTTCTTTGCCCAAAATAAGT, CTCTTGCCTCAATCATATAT
Both arrays match!
A single array in the array of array references after removing one:
A single array in the array of array references after removing one:
A single array in the array of array references after removing one:
A single array in the array of array references after removing one:
期望的输出结果:
Array to delete: CACTTGCCTCAATGTAATAT, TATCATTGCCCAATTTAAGT, CACTTGCCTCAATGATATAT, CTCTTCCCTCAATGATTTAA, CTCTTGCCTCAATGTTATAT, CTGTTGGCTCAATCATATAT, CTGATGCCTCATTGATATAT, GTCTTGCCTCATTGATAAAT, CACTTGCCTCAATGAAATTT
A single array in the array of array references: CTCTTGCCTCAATCATATAT, CTCTTGCCTCATTGATATAT, CTCTTGCCTCAATCATATAT, CACTTGCCTCAATGAAATTT, GTCTTGCCTCATTGATAAAT, CACTTGCCTCAATGTAATAT, CTCTTCCCTCAATGATTTAA, CACTTGCCTCAATGATATAT, CTCTTGCCTCATTGATATAT, CTCTTGCCTCAATGTTATAT, CTGATGCCTCATTGATATAT, CTGTTGGCTCAATCATATAT
A single array in the array of array references: CACTTGCCTCAATGTAATAT, TATCATTGCCCAATTTAAGT, CACTTGCCTCAATGATATAT, CTCTTCCCTCAATGATTTAA, CTCTTGCCTCAATGTTATAT, CTGTTGGCTCAATCATATAT, CTGATGCCTCATTGATATAT, GTCTTGCCTCATTGATAAAT, CACTTGCCTCAATGAAATTT
Both arrays match!
A single array in the array of array references: TATCATTGCCCAATTTAAGT, TTTCTTTGCCGAATATAAGT, TTTCTATGCGCAATTTAAGT, TATCTTAGCCCAATTTTTGT, TTTCTTTGCCCAATATATGT, TTTCTTTGGCCTATTTTTGT, TTTGTTTGGCCATTTTATGT, TTTCTTTGGCGAATTTATCT, TTTCATTGCCCAATTATTGT, TTTCTTTGCCCAAAATAAGT, CACTTGCCTCAATGTAATAT
A single array in the array of array references: TTTCTTTGCCCAATATATGT, TTTCTTTGCCGAATATAAGT, TTTCTATGCGCAATTTAAGT, TATCTTAGCCCAATTTTTGT, TTTCTTTGGCCTATTTTTGT, TTTGTTTGGCCATTTTATGT, TTTCTTTGGCGAATTTATCT, TTTCATTGCCCAATTATTGT, TATCATTGCCCAATTTAAGT, TTTCTTTGCCCAAAATAAGT, CTCTTGCCTCAATCATATAT
A single array in the array of array references after removing one: CTCTTGCCTCAATCATATAT, CTCTTGCCTCATTGATATAT, CTCTTGCCTCAATCATATAT, CACTTGCCTCAATGAAATTT, GTCTTGCCTCATTGATAAAT, CACTTGCCTCAATGTAATAT, CTCTTCCCTCAATGATTTAA, CACTTGCCTCAATGATATAT, CTCTTGCCTCATTGATATAT, CTCTTGCCTCAATGTTATAT, CTGATGCCTCATTGATATAT, CTGTTGGCTCAATCATATAT
A single array in the array of array references after removing one: TATCATTGCCCAATTTAAGT, TTTCTTTGCCGAATATAAGT, TTTCTATGCGCAATTTAAGT, TATCTTAGCCCAATTTTTGT, TTTCTTTGCCCAATATATGT, TTTCTTTGGCCTATTTTTGT, TTTGTTTGGCCATTTTATGT, TTTCTTTGGCGAATTTATCT, TTTCATTGCCCAATTATTGT, TTTCTTTGCCCAAAATAAGT, CACTTGCCTCAATGTAATAT
A single array in the array of array references after removing one: TTTCTTTGCCCAATATATGT, TTTCTTTGCCGAATATAAGT, TTTCTATGCGCAATTTAAGT, TATCTTAGCCCAATTTTTGT, TTTCTTTGGCCTATTTTTGT, TTTGTTTGGCCATTTTATGT, TTTCTTTGGCGAATTTATCT, TTTCATTGCCCAATTATTGT, TATCATTGCCCAATTTAAGT, TTTCTTTGCCCAAAATAAGT, CTCTTGCCTCAATCATATAT
undef
来替换它(就像问题本身所说的)?(2) 你的数组通常有多大? - undefinedIf
语句使用==
和eq
而不是单个的=
:) - undefined