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sed and cut behaving differently

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# 1  
Old 05-01-2010
sed and cut behaving differently
I have attached a file with few records. First 2 characters of each record are binary characters. I can remove it by

Quote:
cut -c3- sample
and it works fine. But

Quote:
sed 's/^..//' sample
is behaving differently and removing more than expected characters. Can someone help me in accomplishing it through sed? Thanks in advance.
sample.conf (1.1 KB) 
Last edited by amicon007; 05-01-2010 at 11:03 AM..
# 2  
Old 05-01-2010
I am unable to open the attached file due to its extention...
# 3  
Old 05-01-2010
Open it in 'vi'.

---------- Post updated at 06:24 AM ---------- Previous update was at 06:10 AM ----------

may be sed takes them as one binary char. Checking...
# 4  
Old 05-01-2010
why you wanna do it with sed??
and how many characters are getting removed??
# 5  
Old 05-01-2010
Code:
sed 's/^.{2}//' sample

in solaris use below:-

Code:
sed 's/^.\{2\}//' sample

# 6  
Old 05-01-2010
Well, I have the file of GBs size and sed works 5-6 times faster than cut. Strangely just tried stripping 1 char:
Quote:
sed 's/^.//' sample
and it worked same as stripping 2 chars using cut.

Any logic in this?
# 7  
Old 05-01-2010
Code:
sed 's/^.//' sample  ->-> will strip the first char only

I have tried it.

but

Code:
sed 's/^.{2}//' sample ->-> will strip the first 2 char .{2} means 2 char

will delete the first 2 char..and I have tried it too.

also

Code:
sed 's/^..//' sample will delete the first 2 char >> I have tried it on Solaris 10.

I don't know where is your problem. what is your OS?
BR
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