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Duplicate each field in a text file

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# 1  
Old 08-11-2011
Duplicate each field in a text file
Hello all,

I am searching for a solution to the following problem:

Given input such as this:
Quote:
entry1 entry2 entry3 entry4
I would like to find a way to output this:

Quote:
entry1 entry1 entry2 entry2 entry3 entry3 entry4 entry4
Thanks in advance!
# 2  
Old 08-11-2011
Code:
echo 'entry1 entry2 entry3 entry4' |perl -alne 'print  map {$_ x 2} map{$_." "} @F'
entry1 entry1 entry2 entry2 entry3 entry3 entry4 entry4

This User Gave Thanks to yinyuemi For This Post:
hydrabane
# 3  
Old 08-11-2011
Code:
 sed 's/[^ ]*/& &/g' INPUTFILE

Last edited by yazu; 08-11-2011 at 10:27 PM.. Reason: Right solution
This User Gave Thanks to yazu For This Post:
hydrabane
# 4  
Old 08-11-2011
Code:
echo entry1 entry2 entry3 entry4 |awk '{for(;++i<=NF;)$i=$i FS $i}1'

This User Gave Thanks to danmero For This Post:
hydrabane
# 5  
Old 08-12-2011
sed 's/[^ ]*/& &/g' INPUTFILE
This User Gave Thanks to anuragpgtgerman For This Post:
hydrabane
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