1
我正在解析一個XML文件,並且在提取一些信息後,我想查看某個特定字段中是否有'/'(斜槓)。所以,我做了下面的代碼:
if (defined($orgUIDLookup{$orgUidMid}))
{
my $country = $orgUIDLookup{$orgUidMid};
print "country = $country ";
if ($country !~ ?/?)
{
print "OK\n";
$airportRef{country} = $country;
}
else
{
print "no good\n";
$needHelp = 1;
}
}
但我似乎在他們越來越爲節點不一致的結果,以斜線:
grep '^country = .*/' foo
country = CN/MA/RE no good
country = CN/MA/RE OK
country = CN/MA/RE OK
country = CN/MA/RE OK
country = RB/MJ OK
country = RB/MJ OK
country = RB/MJ OK
country = CN/MA/RE OK
country = CN/MA/RE OK
country = RB/MJ OK
country = RB/MJ OK
country = CN/MA/RE OK
country = CN/MA/RE OK
country = RB/MJ OK
country = RB/MJ OK
country = KR/TV OK
country = KR/TV OK
country = KR/TV OK
country = WS/AQ OK
country = AA/NT OK
country = AA/NT OK
country = AA/NT OK
country = AA/NT OK
country = AA/NT OK
country = AA/NT OK
爲什麼會發生這種測試將經過else
分支ok了第一次,但每隔一次通過if
分支?
我從來沒有意識到?是特別的 - 我一直在sed使用它,這意味着我不必逃避斜線。 – 2010-10-18 01:49:53
'm#foo#'真的很不錯,並且視覺上與衆不同,儘管它打破了一些語法突出顯示。 – hobbs 2010-10-18 03:03:53
我曾經使用'm#foo#',直到vim的語法突出顯示使我確信'm {}'和's {} {}'更好。 – Ether 2010-10-18 16:59:38