晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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#!/usr/bin/perl -w
# This program searches for the given Perl regular expression in a Zip archive.
# Archive is assumed to contain text files.
# By Ned Konz, perl@bike-nomad.com
# Usage:
# perl zipGrep.pl 'pattern' myZip.zip
#
use strict;
use Archive::Zip qw(:CONSTANTS :ERROR_CODES);
if (@ARGV != 2) {
print <<EOF;
This program searches for the given Perl regular expression in a Zip archive.
Archive is assumed to contain text files.
Usage:
perl $0 'pattern' myZip.zip
EOF
exit 1;
}
my $pattern = shift;
$pattern = qr{$pattern}; # compile the regular expression
my $zipName = shift;
my $zip = Archive::Zip->new();
if ($zip->read($zipName) != AZ_OK) {
die "Read error reading $zipName\n";
}
foreach my $member ($zip->members()) {
my ($bufferRef, $status, $lastChunk);
my $memberName = $member->fileName();
my $lineNumber = 1;
$lastChunk = '';
$member->desiredCompressionMethod(COMPRESSION_STORED);
$status = $member->rewindData();
die "rewind error $status" if $status != AZ_OK;
while (!$member->readIsDone()) {
($bufferRef, $status) = $member->readChunk();
die "readChunk error $status"
if $status != AZ_OK && $status != AZ_STREAM_END;
my $buffer = $lastChunk . $$bufferRef;
while ($buffer =~ m{(.*$pattern.*\n)}mg) {
print "$memberName:$1";
}
($lastChunk) = $$bufferRef =~ m{([^\n\r]+)\z};
}
$member->endRead();
}