它一直用在Stack Overflow上,但我真的不理解它,也不能让它工作.然而,它似乎是一个非常好的测试工具.
如何让脚本在__DATA__下面的所有内容中读入文件句柄？我尝试了几种方法来阅读它,而不是在外部文件上添加.数据是合法的,它来自AutoSys JIL文件中的作业定义.
#!/efs/dist/perl5/core/5.10/exec/bin/perl
use strict;
use warnings;
my ( $job,$machine,$command,@line_stat );
#these 4 lines below do not read in data to filehandle
#my $data = do {
# local $/;
# <DATA>;
#} ;
my $data = <DATA>; # does not work either
open( my $fh,'<:encoding(UTF-8)',$data )
or die "Could not open file '$data' $!";
my $count = 0;
while ( my $line = <$fh> ) {
#chomp $line;
if ( $line =~ /\/\* -{17} \w+ -{17} \*\// ) {
$count = 1;
}
elsif ( $line =~ /(alarm_if_fail:)/ ) {
$count = 0;
}
elsif ( $count ) {
if ( $line =~ m/insert_job: (\w+).*job_type: CMD/ ) {
push( @line_stat,$1 );
}
elsif ( $line =~ m/command:(.*)/ ) {
push( @line_stat,$1 );
}
elsif ( $line =~ m/machine:(.*)/ ) {
push( @line_stat,$1 );
}
}
}
foreach my $line_wot ( @line_stat ) {
print "$line_wot\n";
}
__DATA__
/* ----------------- COME_AND_PLAY_WITH_US_DANNY ----------------- */
insert_job: COME_AND_PLAY_WITH_US_DANNY job_type: CMD
command: /bin/bash -pwd
machine: capser.com
owner: twins
permission: foo,foo
date_conditions: 1
days_of_week: mo,tu,we,th,fr
start_times: "04:00"
description: "Forever,and ever and ever"
std_in_file: "/home/room217"
std_out_file: "${CASPERSYSLOG}/room217.out"
std_err_file: "${CASPERSYSLOG}/room217.err
alarm_if_fail: 1
profile: "/autosys_profile"
timezone: US/Eastern
/* ----------------- COME_AND_PLAY_WITH_US_AGAIN_DANNY ----------------- */
insert_job: COME_AND_PLAY_WITH_US_AGAIN_DANNY job_type: CMD
command: /bin/bash -ls
machine: capser1.com
owner: twins
permission: foo,and ever and ever"
std_in_file: "/home/room217"
std_out_file: "${CASPERSYSLOG}/room217.out"
std_err_file: "${CASPERSYSLOG}/room217.err
alarm_if_fail: 1
profile: "/autosys_profile"
timezone: US/Eastern
/* ----------------- NEVER_PLAY_WITH_US_AGAIN_DANNY ----------------- */
insert_job: NEVER_PLAY_WITH_US_AGAIN_DANNY job_type: CMD
command: /bin/bash -rm *
machine: capser2.com
owner: twins
permission: foo,and ever and ever"
std_in_file: "/home/room217"
std_out_file: "${CASPERSYSLOG}/room217.out"
std_err_file: "${CASPERSYSLOG}/room217.err
alarm_if_fail: 1
profile: "/autosys_profile"
timezone: US/Eastern
解决方法
您无需打开DATA文件句柄,只需从中读取即可.
while (my $line = <DATA>) {
...
}