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Unix command to select first few characters and last character of a line

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# 1  
Old 05-17-2012
Unix command to select first few characters and last character of a line
I have a huge file and I want to select first 10 charcters and last 2 characters of everyline and than will filter the unique line.

I know, it must be easy bt I am new to unix scriptingSmilie

Ex.
I have file as below and need to e3kbaird and last 2 characters. and than unique records.

Code:
e3kbaird 20120402104958362 1
e3kbaird 20120402104958362 1
e3kbaird 20120402104958362 1
e3kbaird 20120402104958362 1
e3kbaird 20120402104958362 1
e3kbaird 20120402104958362 1
e3kbaird 20120402104958362 1

Last edited by Scrutinizer; 05-17-2012 at 04:39 AM.. Reason: code tags
# 2  
Old 05-17-2012
Code:
 
awk '{print $1,$NF}' test.txt | sort -u

This User Gave Thanks to itkamaraj For This Post:
Sanjeev Yadav
# 3  
Old 05-17-2012
If you're using modern bash or ksh, try this:

To strip first 10 chars:
Code:
$ x='e3kbaird 20120402104958362 1'
$ echo "${x:0:10}"
e3kbaird 2
$

To strip the last 2 characters:
Code:
$ echo "${x: -2}"
 1
$

This User Gave Thanks to balajesuri For This Post:
Sanjeev Yadav
# 4  
Old 05-17-2012
Thanks ! It worked.
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