分割合并文件
发布时间:2020-12-15 21:09:52 所属栏目:大数据 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 use strict;my $ItemSize = 1024 * 1024 * 100;open(FILEHANDLE," a1.mkv");binmode FILEHANDLE;seek(FILEHANDLE,2);print "file size is " . tell(FI
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以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 use strict;
my $ItemSize = 1024 * 1024 * 100;
open(FILEHANDLE,"< a1.mkv");
binmode FILEHANDLE;
seek(FILEHANDLE,2);
print "file size is " . tell(FILEHANDLE) . "n" ;
my $fileNum = tell(FILEHANDLE) / $ItemSize;
seek(FILEHANDLE,0);
print "file pos is " . tell(FILEHANDLE) . "n" ;
# my $len = read(FILEHANDLE,my $FileCon,12);
# print $len;
for(my $i = 0; $i <$fileNum; $i++) {
my $FileCon;
open(TEMPFILEHANDLE,"+>","$i" . ".DATA");
binmode TEMPFILEHANDLE;
my $ContRead = read(FILEHANDLE,$FileCon,$ItemSize);
print $ContRead . "n";
print "file pos is " . tell(FILEHANDLE) . "n" ;
print TEMPFILEHANDLE $FileCon;
if ( $ContRead < $ItemSize) {
$ContRead = read(FILEHANDLE,$ItemSize - $ContRead);
print $ContRead . "n";
print TEMPFILEHANDLE $FileCon;
}
close(TEMPFILEHANDLE);
}
close(FILEHANDLE);
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