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Shell Programming and Scripting

Insert line break

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# 1  
Old 04-15-2010
Insert line break
Dear All,
thanks in advance

input file

410530AAANNNNNAAA410530JJJJJJYYYY410530PPPPPAAAAAA...........

I want output like

410530AAANNNNNAAA
410530JJJJJJYYYY
410530PPPPPAAAAAA

Thanks
# 2  
Old 04-15-2010
Hi, Do you need to insert line break where ever you see 4 (or) fixed number of characters?
-Nithin.
# 3  
Old 04-15-2010
yes exactly where i find 410530
# 4  
Old 04-15-2010
Try this
Code:
$ echo "410530AAANNNNNAAA410530JJJJJJYYYY410530PPPPPAAAAAA..........." | sed 's/410530/\n&/g'

410530AAANNNNNAAA
410530JJJJJJYYYY
410530PPPPPAAAAAA...........

# 5  
Old 04-15-2010
One solution which I can think of is below.
Code:
echo "410530AAANNNNNAAA410530JJJJJJYYYY410530PPPPPAAAAAA" | sed -e 's/410530/|/g' | awk -F"|" '{ no_of=NF } { while($no_of > 1 ) { print 410530$no_of ; no_of-- ; } }'

-Nithin.
# 6  
Old 04-15-2010
In vim you can try
Code:
:%s/\a\+/&\r/g

It's giving desire output.
# 7  
Old 04-15-2010
awk '{split($0,a,410530)} {for(i in a) {if(i>=2){print 410530 a[i]}}}' 1212
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