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Print particular time upto the next occurance

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# 1  
Old 01-19-2012
Print particular time upto the next occurance
Hi Guys,
I am having some issue in one aspect. I am having data like -

00:00
X-1
Y-1
Z-4
A-5
E-6
.
.
.

.
01:00
Z-9
X-1
Z-5
A-8
E-7
.
.
.
and so on till

23:00
Z-9
X-1
Z-5
A-8
E-7
.
.
Now I need output like -
00:00 X-1
00:00 Y-1
00:00 Z-4
00:00 A-5
00:00 E-6
01:00 Z-9
01:00 X-1
01:00 Z-5
01:00 A-8
01:00 E-7
.
.
.
23:00 Z-9
23:00 X-1
23:00 Z-5
23:00 A-8
23:00 E-7

Thanks in advance.
# 2  
Old 01-20-2012
Code:
awk '/:/ {col=$0; next} {print col, $0}'  inputfile

This User Gave Thanks to jim mcnamara For This Post:
aniketdixit
# 3  
Old 01-20-2012
Thanks Jim Mcnamara !!! You are awesome !!! Its what I wanted.
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