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Splitting a file based on positive and negative numbers

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# 1  
Old 09-04-2012
Splitting a file based on positive and negative numbers
Dear All,
I have to split a tab delimited file in two files based on the presence of a positive or negative in column number 9 , for example

Code:
file:
A  1   5   erg   +   6766   0.9889  0.9817   9.01882 erg inside upstream
B  1   8   erg2   +   6766   0.9889  0.9817   -9.22 erg2 inside downstream

file1:
A  1   5   erg   +   6766   0.9889  0.9817   9.01882 erg inside upstream

file2:
B  1   8   erg2   +   6766   0.9889  0.9817   -9.22 erg2 inside downstream

any hint?
thanks,
paolo

Moderator's Comments:
Mod Comment Please view this code tag video for how to use code tags when posting code and data.
Last edited by paolo.kunder; 09-04-2012 at 12:39 PM..
# 2  
Old 09-04-2012
Hope this work for you..

Code:
 
awk '{if($9~/\-/){print $0>"file1"}else{print $0>"file2"}}' filename

# 3  
Old 09-04-2012
thanks is working fine,
paolo
# 4  
Old 09-05-2012
Code:
awk '$9 ~ /^-/{print > "file1";next}{print > "file2"}' filename

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