In a file, replace blank line by the last line not blank above
Dear All,
In a CSV file, say that a given column has been extracted. In that column, information is missing (i.e. blank lines appear). I would like to replace the blank lines by the last valid line (not blank) previously read.
For example, consider the extract below:
I would like this extract to be replaced by:
I wrote a simple script to do the job that reads myfile.txt and writes the result in out.txt:
This script does the job, but it takes ages.
Also I guess there are far more efficient ways to do this by using either sed of awk (maybe csvfix in my case).
Would anybody have a suggestion?
Cheers, Bagvian
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Please use CODE tags as required by forum rules!
Last edited by RudiC; 02-24-2017 at 03:56 PM..
Reason: Added CODE tags.
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Hi
I nned cmd to which will help me to replace a line in file with blank line
e.g.
file1
a
b
c
d
e
after running cmd I shud get
file1
b
c
d
e (5 Replies)
Hi Guys,
I have a file in which each set of records are separated by two blank line. I want to replace it with a single blank line.
Can you guys help me out?
Regards,
Magesh (9 Replies)
hlow all i need help
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301::|358814003239510
302::|358316038113400
303::|357954002633660
304::|354072040694090
305::|356956015214190
306::|352943020525180
307::|359574033836610
308::|381810990023580
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