05-15-2017
Quote:
Originally Posted by
cmccabe
Thank you as always for the great help and explanations
.
---------- Post updated at 07:30 AM ---------- Previous update was at 07:00 AM ----------
I am still a bit confused on this concept:
I guess my confusion is what defines RSTART+1 and RLENGTH-2 in this line but RSTART+20 and RLENGH-22 in the print?
In the first RSTART
$5 was used as the substring, so
chr15:88483984, so is
RSTART+1 the
chr15 and
RLENGTH-2 = to
:88483984? Thank you
.
Hello cmccabe,
No need to be confuse
I will provide a guidance here and you could play with it. Let us assume you are printing simply
RSTART and
RLENGTH(
RSTART will keep the index of starting point of the REGEX and
RLENGTH will have the last character etc's index in it) variable's values then you will see some additional characters/digits are coming(which are not in your requirement) so this + and - to them is the adjustment of moving the cursor to print the exact required output. I hope I was clear in it, if you have doubt then kindly do let me know on same, will try to explain more on same.
Thanks,
R. Singh
This User Gave Thanks to RavinderSingh13 For This Post:
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