将行合并为单行

Question

我有一个这样的文件：

< Dec 2, 2015 2:51:49 PM EST> <Error> <HTTP> <cphypprod1v..com> 
<AnalyticProviderServices0> <[ACTIVE] ExecuteThread: '3' for queue: 
'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel> <> <1449085909249> <BEA-

101017> <[ServletContext@462961596[app:bea_wls_deployment_internal 
module:bea_wls_deployment_internal.war path:/bea_wls_deployment_internal spec-

version:null]] Root  ServletException.

java.lang.OutOfMemoryError: GC overhead limit exceeded 

>

< Dec 2, 2015 2:51:49 PM EST> <Warning> <RMI> <cphypprod1v.sherwin.com>   <AnalyticProviderServices0> <[STANDBY] ExecuteThread: '8' for queue:   'weblogic.kernel.Default (self-tuning)'>  
<<WLS Kernel>> <> <> <1449085909264> < BEA-080003> < RuntimeException thrown by  
rmi server: javax.management.remote.rmi.RMIConnectionImpl.invoke 
(Ljavax.management.ObjectName;Ljava.lang.String;Ljava.rmi.Marshal 

>

我需要修改它，使其看起来像：

  < Dec 2, 2015 2:51:49 PM EST> <Error> <HTTP> <cphypprod1v..com> <AnalyticProviderServices0> <[ACTIVE] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel> <><1449085909249> <BEA-101017> <[ServletContext@462961596[app:bea_wls_deployment_internal module:bea_wls_deployment_internal.war path:/bea_wls_deployment_internal spec-version:null]] Root  ServletException. java.lang.OutOfMemoryError: GC overhead limit exceeded  >

< Dec 2, 2015 2:51:49 PM EST> <Warning> <RMI> <cphypprod1v.sherwin.com>   <AnalyticProviderServices0> <[STANDBY] ExecuteThread: '8' for queue:   'weblogic.kernel.Default (self-tuning)'>  
<<WLS Kernel>> <> <> < 1449085909264> < BEA-080003> < RuntimeException thrown by  rmi server: javax.management.remote.rmi.RMIConnectionImpl.invoke (Ljavax.management.ObjectName;Ljava.lang.String;Ljava.rmi.Marshal >

<和之间的所有内容都>必须在同一行上。我怎样才能做到这一点？

Answer 1

和 awk

awk 'BEGIN{RS=">\n+";ORS=">\n";FS="\n"} {$1=$1}1' yourfile
< Jan 20, 2016 11:58:09 AM EST  Test1 Sample Test1 >
< Jan 20, 2016 11:58:09 AM EST Sample Test It is not  T1 T2 >

如果你想在每个输出之间有一个空行，你可以\n在ORSie 中添加一个额外的

awk 'BEGIN{RS=">\n+";ORS=">\n\n";FS="\n"} {$1=$1}1' yourfile

（虽然这也可能在文件末尾添加一个尾随空行）。