如何同时匹配特殊字符和多行?然后在这些匹配的行之间插入文本。我想匹配行 - Sample(“xx”),direction:north和market_fall(“when_promotion_8X10_b05afn10ld0b0”){如下所示。然后在行颜色代码后打印文本:0.000;。我的编码似乎在某处错了。谁能给予指导?谢谢..
Sample ("apple") {
direction : north ;
I dont want this line+: ;
I dont want this line^ ;
No this line : line ;
color code: 0.000;
I dont want this line: (c*b)+(c*a)+(b*a))" ;
max_price : 3.6;
min_price : 1.2;
I dont want this line_time() {
I dont want this line_t_sense : positive_1 ;
No_this line either : "c" ;
market_fall ("when_promotion_8X10_b05afn10ld0b0") {
我的编码:
if(my $line =~ m/Sample(" ")/ & /direction : north/ & /market_fall ("when_promotion_8X10_b05afn10ld0b0") {/ ){ #match specific line
print "aa\n"; #print words at previous line
}
}
答案 0 :(得分:0)
尝试从 shell
中关注perl
一行代码
perl -0777 -pe 's/(Sample\s*\("[^"]+"\)\s*\{.*direction\s*:\s*\w+\s*;.*color\s*code:\s*0.000;)(.*market_fall\s*\("[^"]+"\))/$1\nLineYouWantToInsert$2/gs' file
修改强>
如果您必须在perl script
尝试以下代码中使用它。
#!/usr/bin/perl
use strict;
use warnings;
open my $fh, '<', 'file' or die $!;
my $line = do { local $/; <$fh> };
$line =~ s/(Sample\s*\("[^"]+"\)\s*\{.*direction\s*:\s*\w+\s*;.*color\s*code:\s*0.000;)(.*market_fall\s*\("[^"]+"\))/$1\nLineYouWantToInsert$2/gs;
print $line;
close $fh
答案 1 :(得分:0)
我喜欢abiessu的建议。以下是一些示例代码:
#!/usr/bin/perl
my $l1;
my $l2;
while( my $line = <> ){
$l1 = $l2;
$l2 = $line;
if( $l1 =~ /start1/ && $l2 =~ /start2/ ){
print $l1;
print "Inserted Text\n";
print $l2;
}
else {
print $l2;
}
}
给出输入:
a
b
c
start1
start2
d
e
你会得到:
a
b
c
start1
start1
Inserted Text
start2
d
e