搜索从命令输出(PERL或SED)中替换多个字符串



有人可以建议我如何做follwing:

`

attributes:
     0x00000007 <blob>="Test"
     0x00000008 <blob>=<NULL>
     "acct"<blob>="abc@xyz.com"
     password: "mycrypticpassword"

`

如果我想提取abc@xyz.com和密码值并将它们分配给shell脚本中的变量,可以在perl或sed中完成?

谢谢

使用sed with backReference:

$ email=$(sed -n 's/[t ]*"acct"<blob>="([^"]*)"/1/p' file)
$ pass=$(sed -n 's/[t ]*password: "([^"]*)"/1/p' file)
$ echo $email
abc@xyz.com
$ echo $pass
mycrypticpassword

使用perl提取所需值:

$ perl -nle 'print "$1$2" if /"acct"<blob>="(.*)"|password: "(.*)"/' file
abc@xyz.com
mycrypticpassword

使用$(...)构造获取输出,并使用read EMAIL PASSWORD <<< ...分配给两个变量:

$ read EMAIL PASSWORD <<< 
> $(perl -nle 'print "$1$2" if /"acct"<blob>="(.*)"|password: "(.*)"/' file)
$ echo $EMAIL
abc@xyz.com
$ echo $PASSWORD
mycrypticpassword

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