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awk formatting

 
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# 1  
Old 04-03-2012
awk formatting
Hi all,
I'm writing a simple awk code:
Code:
 awk 'BEGIN {FS="|"};{print "Type\tNumber\ttypes\tTotal";};{print $1, "\t", $2, "\t", $3, "\t", $4, "\t";}' db_query.txt

it gives me the result:
Type Number types Total
XXX 498.0 5100.0 5274.661
Type Number types Total
BB 1335.0 1312.0 4556.293

How can i make it in a better format? there is a space in between f fields which are not equal and also how can I omit the second repeated headlines? it is repeated for each line!

thanks!
M
# 2  
Old 04-03-2012
Please post sample input data and an example of the desired/expected output.
# 3  
Old 04-03-2012
Code:
$ nawk -F\| 'BEGIN {printf("Type\t\tNumber\t\ttypes\t\tTotal\n")}{printf("%s\t\t%s\t\t%s\t\t%s\n",$1,$2,$3,$4)}' input.txt                              
Type            Number          types           Total
XXX             498.0           5100.0          5274.661
BB              1335.0          1312.0          4556.293

# 4  
Old 04-03-2012
sample:
Code:
DDI|438.0|517.0|5274.661|
TD|1125.0|1312.0|4556.293|

desired:
Code:
Type         Number            types        Total
DDI       438.0         517.0      5274.661
TD         1125.0       1312.0    4556.293

thanks!
Messi

---------- Post updated at 05:21 AM ---------- Previous update was at 05:19 AM ----------

ah sorry! seems the formatting has problem!! I want them to be in straight in a coloum!!! no extra space!!
# 5  
Old 04-03-2012
Code:
$ nawk -F\| 'BEGIN {printf("Type\t\tNumber\t\ttypes\t\tTotal\n")}{printf("%s\t\t%s\t\t%s\t\t%s\n",$1,$2,$3,$4)}' input.txt
Type            Number          types           Total
DDI             438.0           517.0           5274.661
TD              1125.0          1312.0          4556.293

# 6  
Old 04-03-2012
ikamaraj!!! thanks!! thats what I want!! but what is the diff between your code and mine? what does printf do? and what does %s do?
# 7  
Old 04-03-2012
Code:
awk -F\| 'NR<2{print "Type","Number","types","Total"}{$1=$1}1' OFS="\t" yourfile

just feel free to double the tabulation :
Code:
awk -F\| 'NR<2{print "Type","Number","types","Total"}{$1=$1}1' OFS="\t\t" yourfile

Code:
# awk -F\| 'NR<2{print "Type","Number","types","Total"}{$1=$1}1' OFS="\t" tst
Type    Number  types   Total
DDI     438.0   517.0   5274.661
TD      1125.0  1312.0  4556.293
# awk -F\| 'NR<2{print "Type","Number","types","Total"}{$1=$1}1' OFS="\t\t" tst
Type            Number          types           Total
DDI             438.0           517.0           5274.661
TD              1125.0          1312.0          4556.293

You can even remove the useless last empty field with :
Code:
 awk -F\| 'NR<2{print "Type","Number","types","Total"}{NF--}1' OFS="\t\t" yourfile

Code:
# awk -F\| 'NR<2{print "Type","Number","types","Total"}{NF--}1' OFS="\t\t" tst
Type            Number          types           Total
DDI             438.0           517.0           5274.661
TD              1125.0          1312.0          4556.293

Last edited by ctsgnb; 04-03-2012 at 07:26 AM..
 
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