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Insert a value between two empty delimiter in the file.

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# 1  
Old 09-05-2018
Insert a value between two empty delimiter in the file.
Would like to insert value between two empty delimiter and at the very last too if empty.

Code:
$ cat customerleft.tbl
300|Customer#000000300|I0fJfo60DRqQ|7|17-165-193-5964|8084.92|\N|p fluffily among the slyly express grouches. furiously express instruct||||||||||||||||||||||||\N
297|Customer#000000297|hzg,409pj0|15|25-915-518-8800|7096.32|HOUSEHOLD|de of the regular asymptotes detect slyly ironic theod||||||||||||||||||||||||

Output:
Code:
300|Customer#000000300|I0fJfo60DRqQ|7|17-165-193-5964|8084.92|\N|p fluffily among the slyly express grouches. furiously express instruct|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N
297|Customer#000000297|hzg,409pj0|15|25-915-518-8800|7096.32|HOUSEHOLD|de of the regular asymptotes detect slyly ironic theod|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N


I tried using
Code:
sed 's/||/|\\N|/g' customerleft.tbl

but no success! Please assist.
# 2  
Old 09-05-2018
Code:
 sed 's#||#|\\N|#g;s#|$#|\\N#' myFile

# 3  
Old 09-05-2018
That would insert \N between every other delimiter pair only, at least on my linux system: ironic theod|\N||\N||\N||\N||\N||\N||\N||\N||\N||\N||\N||\N|


Try an extended version:



Code:
sed 's#||#|\\N|#g; s#||#|\\N|#g; s#|$#|\\N#' file

# 4  
Old 09-05-2018
Code:
perl -pe 's/\|(?=\||$)/\|\\N/g' customerleft.tbl
300|Customer#000000300|I0fJfo60DRqQ|7|17-165-193-5964|8084.92|\N|p fluffily among the slyly express grouches. furiously express instruct|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N
297|Customer#000000297|hzg,409pj0|15|25-915-518-8800|7096.32|HOUSEHOLD|de of the regular asymptotes detect slyly ironic theod|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N|\N

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