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I have the same pb : joining 3 lines in a data file when they belong to a same sequence number :
like that :

Your suggestion seems being exactly what I try to have (for 3 hours now, I am a very...

Yeah ! it seems to work ! :b:
I am trying to understand what it means exactly (I am new to sed and shell scripting...) :o

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actually I don't succeed in understanding what...

Hello !

I am trying to delete a number from the even-numbered lines of a pipeline after having extracted and sorted the desired data from an original text file using sed...

sed -r...

Oh ! thank you ! really efficient with that !
:b:

Thank you for answering me...

Actually I found that the 'problem' was that it took so much time (50 sec.) to display the result that I thought it was not working... but in fact it was ok
:o:o:o
...

Hello !

I want to process a text file in order to extract desired data using sed and grep... Now I am facing a problem piping to grep... nothing happens..
The text consists of blocks of 3 lines...