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Display all the matches lines in one line using awk

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# 1  
Old 04-27-2013
Display all the matches lines in one line using awk
Please can you let me know how to print all the matching lines from a file in one single line using awk. Thanks

I have the following data in the input file

data1
voice2
voice1
speech1
data2
data3
...
...
voice4
speech2
data4

and the output should be as follows

data1 data2 data3 data4
voice1 voice2 voice3
# 2  
Old 04-27-2013
Why is "voice4" not in the output?
# 3  
Old 04-27-2013
Sorry I have missed it in the output..

data1 data2 data3 data4
voice1 voice2 voice3 voice4
# 4  
Old 04-27-2013
Using gawk:
Code:
gawk '
        /^data.*/ {
                        D[++d] = $0
        }
        /^voice.*/ {
                        V[++v] = $0
        }
        END {
                        asort(D)
                        asort(V)
                        while ( ++i <= d )
                                printf D[i] OFS
                        printf "\n"
                        while( ++j <= v )
                                printf V[j] OFS
                        printf "\n"
        }
' file

These 2 Users Gave Thanks to Yoda For This Post:
RavinderSingh13 Sudhakar333
# 5  
Old 04-27-2013
Thanks for the input and it works as expected.
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