Grep command


 
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# 1  
Old 01-10-2006
Grep command

I have 2 lines of data:

1. AAAAA 12345 55555
2. BBBBB 33333 88888

I want to be able to grep a position in line 1.
For example, lets say the 12345 in line 1 are in positions 7-11.
Can I grep positions 7-11 of line 1? If so, how do I do this? These will change every day so I need to grep a position and not a specific range of numbers.
# 2  
Old 01-10-2006
There are many ways that this can be done; here's one using awk.

Code:
awk '$2 ~ /your pattern/' yourdata

change $2 to whatever field you need.
# 3  
Old 01-10-2006
I don't have a pattern. I am trying to list out a specific position.
# 4  
Old 01-10-2006
Homework perhaps?

awk '{print $2}' your data
# 5  
Old 01-10-2006
That worked. Thanks for your help.
# 6  
Old 09-20-2008
get specific position in line

Hey,

I really want to grep some specific positions in a line of letters. E.g. I need to know what's on position 10, 26 and 78.

I've tried some of the hints posted but nothing seem to work and my brain is fried..
Anyone with an easy way of solving this?
Thanks A LOT!

format of text:
>1A6A.B
PRFLEYSTSECHFFNGTERVRYLDRYFHNQEENVRFDSDVGEFRAVTELGRPDAEYWNSQKDLLEQKRGRVDNYCRHNYG
VVESFTVQRRVHPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKTGVVSTGLIHNGDWTFQTLVMLETV
PRSGEVYTCQVEHPSVTSPLTVEWRAR


Though I can cut out the lines with the idenfication '>1A6A.b' if it simplifies things.
# 7  
Old 09-20-2008
if you just wanna know whats at position 10,26 and so on.. you can go for awk and use
Quote:
substr function
go through the man page of awk...
 
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