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Change the write in file

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Top Forums Shell Programming and Scripting Change the write in file
# 1  
Old 05-24-2016
Change the write in file
Hello

I have a file log with one information in many lines but i want the information log just per line.
How can i do to do this in shell langage.




Input file :
Code:
 Info : [Log] etstst trerer
 tetststsss
 Warning : [Log] informatopnn
 eysysysysys
 rererererer
 Error : [Log] this is an error log  
 with information in many phrases


what I need in output file:


Code:
 Info : [Log] etstst trerer tetststsss
 Warning : [Log] informatopnn eysysysysys
 Error : [Log] this is an error log with information in many phrases



Thanks you in advance
Moderator's Comments:
Mod Comment Please use CODE tags when displaying sample input, sample output, and code segments.
Last edited by Don Cragun; 05-24-2016 at 04:44 PM.. Reason: Add CODE tags.
# 2  
Old 05-24-2016
1) Please use code tag
2) What have you tried so far ?
# 3  
Old 05-24-2016
Hello RavinderSingh1,

Thanks you very much but Some time we have not the word before the [log]. could you please to do it with only the kew word [Log]

---------- Post updated at 08:55 AM ---------- Previous update was at 06:25 AM ----------

Input file :
Code:
Info : [Log] etstst trerer
tetststsss
Warning : [Log] informatopnn
eysysysysys
rererererer
Error : [Log] this is an error log 
with information in many phrases 
[Log] this is anererer
rerererere

what I need in output file:

Code:
Info : [Log] etstst trerer tetststsss
Warning : [Log] informatopnn eysysysysys
Error : [Log] this is an error log with information in many phrases
[Log] this is anererer rerererere.

I want just to use the keywork [Log] to write all the information from multiple line to one line.
Last edited by Don Cragun; 05-24-2016 at 04:47 PM.. Reason: Add CODE and ICODE tags again.
# 4  
Old 05-24-2016
This one prints/empties the buffer sooner. Saves memory if the log file is big.
Code:
awk '/\[Log\]/ {if (NR>1) print buf; buf=$0; next} {buf=buf FS $0} END {if (NR>1) print buf}' file

With sed
Code:
sed -n '
  :L
  $p; N
  /\n.*\[Log\]/{
    P; D
  }
  s/\n/ /
  bL
' file

# 5  
Old 05-24-2016
Guys, I think when a fellow, established member asks "What have you tried so far" it's courteous to wait for a response from the O/P in such regard before offering possible solutions.

My $0.02.
This User Gave Thanks to Scott For This Post:
boudake
# 6  
Old 05-24-2016
Quote:
Originally Posted by Scott
Guys, I think when a fellow, established member asks "What have you tried so far" it's courteous to wait for a response from the O/P in such regard before offering possible solutions.
My $0.02.
Hello Scott,

Greetings !!

Good to see you sir. Yes, even I do agree when a member asks user question we shouldn't reply answers. If you see the time of my and Pravin's post we posted on exact sametime. After that when I tried to delete that post I got an error not sure if it's a browser issue may be, so couldn't delete it.

EDIT: I have deleted my both posts now. Somehow I was not able to do that yesterday.

Thanks,
R. Singh
Last edited by RavinderSingh13; 05-25-2016 at 02:05 AM.. Reason: Added a comment.
This User Gave Thanks to RavinderSingh13 For This Post:
boudake
# 7  
Old 05-24-2016
Hey, mate, thanks, good to see you too Smilie

It's not an issue, of course, but without knowing where boudake's knowledge is at we can't know at which level to pitch our support. (that seemed to make sense when I wrote it lol)
This User Gave Thanks to Scott For This Post:
boudake
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