sub compare_arrays { my ($array1, $array2) = @_; return 0 if scalar @$array1 != scalar @$array2; for my $i (0 .. $#$array1) { return 0 if $array1->[$i] ne $array2->[$i]; } return 1; } my @array1 = (1, 2, 3, 2); my @array2 = (1, 2, 3, ...
}else{print"two arrays are equal\n"; } } my @a=(1,2,3,4,5); my @b=(1,2,3,4,5); &compare(\@a,\@b); 输出:two arrays are equal my @a=(1,2,3,4,5); my @b=(1,2,3,4,5,6); &compare(\@a,\@b); 输出:two arrays are not equal 2.以上代码可以简化 使用智能匹...
举个例子: 1与1是相等的(当然他们前提是类型是一样的)那么1和 new Number(1)也应该相等。
compare(1) composite(1) compress(1) config.guess(1) config.sub(1) config_data(1) conflict(1) conjure(1) constype(1) continue(1) convert(1) convmv(1) corelist(1) cp(1) cp(1g) cpack(1) cpan(1) cpan2dist(1) cpanp(1) cpio(1) cpp(1) cpp(1) cputrack(1) crle(1) cronta...
compare(1) composite(1) compress(1) config.guess(1) config.sub(1) config_data(1) conflict(1) conjure(1) constype(1) continue(1) convert(1) convmv(1) corelist(1) cp(1) cp(1g) cpack(1) cpan(1) cpan2dist(1) cpanp(1) cpio(1) cpp(1) cpp(1) cputrack(1) crle(1) cronta...
These operators can be used to compare two strings. Q #12) What are the different string manipulation operators in Perl? Answer:Perl provides two different operators to manipulate strings. Concatenation Operator (.):Combines two strings to form a result string. ...
to sort the dates, I am sure there is a module that would let you compare two dates, but I really don't know what it would be. The way I would approach the problem is to just go through a sequence of if statements comparing the years, month, days, hours, minutes. I am sure som...
This comparison function is called each time sort has to compare two values. The values to compare are loaded into the special package variables $a and $b, which are automatically localized. The comparison function should return a negative number if $a ought to appear before $b in the ...
compare XML in perl tests libtimedate-perl collection of modules to manipulate date/time information liburi-perl module to manipulate and access URI strings libwww-perl simple and consistent interface to the world-wide web libxml-libxml-perl ...
Awk Perl ARGC scalar @ARGV (compare with $#ARGV) ARGV[0] $0 FILENAME $ARGV FNR $. - something FS (whatever you like) NF $#Fld, or some such NR $. OFMT $# OFS $, ORS $\ RLENGTH length($&) RS $/ RSTART length($`) SUBSEP $; • You cannot set $RS to a pattern, on...