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程序如下,目的是判断取出out.txt中一行内容所指向的文件是否存在
#!perl
my @fist;
open(FREAD, "out.txt") || die "打开文件失败$!";
while(<FREAD>){
if(!(-e $_)){
print $_;
@fist = (@fist, $_);
}
}
close(FREAD);
open(FWRITE, ">diffout.txt") || die "写文件失败$!";
print FWRITE @fist, ;
close FWRITE;
out.txt中的内容如下:
G:/Layout/android layout/webarchive/archive-empty-frame-dom-real.out
G:/Layout/android layout/webarchive/archive-empty-frame-source-real.out
G:/Layout/android layout/webarchive/archive-with-unencoded-url-real.out
G:/Layout/android layout/webarchive/test-body-background-real.out
G:/Layout/android layout/webarchive/test-duplicate-resources-real.out
这些文件都存在,
结果print $_;发现提示全部不存在 |
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