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Continuation lines to be glued back to original line

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# 1  
Old 08-03-2017
Continuation lines to be glued back to original line
I am parsing a log with this format:

Code:
06:36:12.230 [TASK1] details here
06:36:12.250 [TASK1] details here
06:36:12.260 [TASK1] details here
continuation here
06:36:12.360 [TASK1] details here

As you can see, some detail info contains one or more "\n" and it breaks my line-oriented parsing.

I need to get those continuation lines to be slapped back to its original line, like here:
Code:
06:36:12.230 [TASK1] details here
06:36:12.250 [TASK1] details here
06:36:12.260 [TASK1] details here continuation here
06:36:12.360 [TASK1] details here

I think there is a way to tell awk to use [0-9][0-9]:[0-9][0-9]:[0-9][0-9] as a line separator RS, but not sure how to do it. Any pointers would be appreciated.

I am on Ubuntu 8, my awk is:
Code:
 awk -W version
 mawk 1.3.3 Nov 1996

Last edited by rbatte1; 08-04-2017 at 05:47 AM.. Reason: Added ICODE tags
# 2  
Old 08-03-2017
Code:
awk '$0 ~ d {if (e) print e; if (NR>1 && !e) print ""; printf $0; e=""} $0 !~ d {e=e " " $0} END {print e}' d="^[0-9][0-9]:[0-9][0-9]:[0-9][0-9]" infile

These 2 Users Gave Thanks to rdrtx1 For This Post:
migurus rbatte1
# 3  
Old 08-03-2017
Great, works exactly as expected.
# 4  
Old 08-04-2017
Under the assumption there's not too many (i.e. two or more) colons in the continuation line, try
Code:
awk -F: 'NF>2 && NR>1 {printf RS} END {printf RS} 1' ORS=" " file

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