UNIX shell scripting logic


 
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# 8  
Old 01-31-2017
Useless use of cat, useless use of grep. Same effect with fewer wasted commands:

Code:
awk '!/^(start|end)$/' temp.txt | paste -d, - - - -

# 9  
Old 01-31-2017
@Corona688 .... this forum is not to give exact and complex answer. Person who is asking question needs to learn as well. Hence i used cat and grep so that by executing person can learn.SmilieSmilie
# 10  
Old 01-31-2017
Please don't teach the useless use of cat. Smilie
# 11  
Old 01-31-2017
SmilieSmilieSmilie
# 12  
Old 01-31-2017
Code:
awk 'NF > 1 {printf rs $2; rs=","} /^end/ {print ""; rs=""}' FS="[=:]-*" infile

# 13  
Old 02-01-2017
Quote:
Originally Posted by kpkanani
Simplest solution you can try below:
Code:
cat temp.txt  | grep -v -i "^start$" | grep -v -i "^end$" | paste -d, - - - -

Not really simple. Too many processes. You can replace the cat and the two greps by a single

Code:
grep -viE '^(start|end)$'  temp.txt

# 14  
Old 02-01-2017
Please keep in mind that the desired output is
Code:
vamsi,123456789,abc@gmail.com,india
vamsi1,1234567890,abc1@gmail.com,usa

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