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Need to change format of number

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# 1  
Old 09-11-2009
Lightbulb Need to change format of number
Hi,

using a shell script to get values from a CSV
eg:

12345.67,5678990.89,76232882.90
12345,5678990.89,76232882


Need the format of these numbers to change to

12,345.67:5,678,990.89:76,232,882.90
12,345:5678990.89:76232882

Using nawk on solaris, to parse these values, need the final data to be presented in the above format.
Smilie
Regards,
pgop
# 2  
Old 09-11-2009
I don't know why you want to do it with awk, I'd prefer doing it with sed:

Code:
sed 's/,/:/g
     :loop
     /[0-9]\{4\}/ {
          s/\([0-9]\)\([0-9]\{3\}[.,:]\)/\1,\2/g
          b loop
     }'

The first line changes the field separator from "," to ":". The following loop searches for 4 consecutive digits and separate the rightmost 3 with a ",". Then the loop is reiterated as long as there are such groups of 4 consecutive digits to split.

I hope this helps.

bakunin
# 3  
Old 09-11-2009
Quote:
Originally Posted by bakunin
I don't know why you want to do it with awk,

Because that's the logical tool to use. One look at the sed code should convince anyone that sed is not the right tool.
Quote:
I'd prefer doing it with sed:

Code:
sed 's/,/:/g
     :loop
     /[0-9]\{4\}/ {
          s/\([0-9]\)\([0-9]\{3\}[.,:]\)/\1,\2/g
          b loop
     }'


For me, that script hangs indefinitely with the given input.


---------- Post updated at 08:03 PM ---------- Previous update was at 07:54 PM ----------
Quote:
Originally Posted by pgop
Hi,

using a shell script to get values from a CSV
eg:

12345.67,5678990.89,76232882.90
12345,5678990.89,76232882


Need the format of these numbers to change to

12,345.67:5,678,990.89:76,232,882.90
12,345:5678990.89:76232882

Using nawk on solaris, to parse these values, need the final data to be presented in the above format.

Why is the transformation different for the second line? Is it supposed to put thousands separators only in the first number of the second line?

Code:
nawk -F, 'BEGIN { OFS = ":" }

function commas(n) {
 if ( n < 1000 ) return n
 gsub(",","",n)
 point = index(n,".") - 1
 if (point < 0) point = length(n)
 while (point > 3) {
         point -= 3
         n = substr(n,1,point) "," substr(n,point + 1)
         }
 return n
}

## PATTERN { $1 = commas( $1 ); next }

{
  for (n = 1; n <= NF; ++n) $n = commas($n)
  print
}'

If some lines are to be treated differently (i.e., only add commas to the furst field), uncomment the PATTERN line and change PATTERN to whatever will catch those lines.
# 4  
Old 09-12-2009
Depending on the locales you have available on your system, you can simply use the printf format %'f to print the thousands grouping character of your liking.

Code:
LANG=en_US.UTF-8 awk -F, -v OFS=":" '{
	for(i=1;i<=NF;i++) {
		l=length($i)
		p=index($i,".")
		d=p?l-p:0;
		$i=sprintf("%'"'"'*.*f",l,d,$i)
	}
	print
}' inputFile



---------- Post updated at 10:39 AM ---------- Previous update was at 10:19 AM ----------

The same on one line:
Code:
LANG=en_US.UTF-8 awk -F, -v OFS=":" '{for(i=1;i<=NF;i++)$i=sprintf("%'"'"'*.*f",length($i),index($i,".")?length($i)-index($i,"."):0,$i)}1' inputFile

# 5  
Old 09-13-2009
How about this one:

Code:
awk -F, 'BEGIN{fmt="%\047.2f"} {
  printf(fmt":"fmt":"fmt"\n",$1,$2,$3)
}' file

This is my output:

Code:
$ cat file
12345.67,5678990.89,76232882.90
12345,5678990.89,76232882
$
$ awk -F, 'BEGIN{fmt="%\047.2f"} {
  printf(fmt":"fmt":"fmt"\n",$1,$2,$3)
}' file
12,345.67:5,678,990.89:76,232,882.90
12,345.00:5,678,990.89:76,232,882.00
$

Regards
# 6  
Old 09-13-2009
Requested output was:
Code:
12,345.67:5,678,990.89:76,232,882.90
12,345:5678990.89:76232882

You are working with a fixed number of decimal for all fields:
Code:
12,345.67:5,678,990.89:76,232,882.90
12,345.00:5,678,990.89:76,232,882.00

Hence the index/length dance in my suggestion.
# 7  
Old 09-13-2009
Quote:
Originally Posted by ripat
Requested output was:
Code:
12,345.67:5,678,990.89:76,232,882.90
12,345:5678990.89:76232882

You are working with a fixed number of decimal for all fields:
Code:
12,345.67:5,678,990.89:76,232,882.90
12,345.00:5,678,990.89:76,232,882.00

Hence the index/length dance in my suggestion.
To present currencies I should prefer my method, but that's the humble opinion of an old bookkeeper..Smilie

Regards
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