Change numbers in flat file


 
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# 1  
Old 11-28-2013
Change numbers in flat file

Hi, I have some datatexts with values and I want to replace only the values of the first file with the result of array loaded in one variable.
Also I want the operation difference with the original value replaced and only replace the new value not the character format of the file.
Some Idea?
Thanks in advance.

I have the file1.text
Code:
Data 1
Value One 24.24426
Value Two 45.24535
Other values in the list 85.24535

Data 2
Value One 44.24225
Value Two 25.24535
Other values of new 55.13546

Code:
Variable=54.24425 35.24535  25.53231 24.24225 35.24535 28.350132

And I want to generate the back template file1.text with the new data and display the data of the variable and the difference of the operation with the original value.
Code:
New File generated
Data 1
Value One 54.24425 +29.99999 
Value Two  35.24535  -10.00000
Other values in the list  25.53231  -59.71304

Data 2
Value One 24.25225 -20.00000
Value Two 35.24535 +10.00000
Other values of new  28.350132  -26.785328


Last edited by faka; 11-28-2013 at 03:40 PM..
# 2  
Old 11-28-2013
save the following as manip.pl and call as perl manip.pl file2.txt file1.txt (sorry dealt with files in wrong order Smilie )

Code:
#!/usr/bin/perl
use strict;
use warnings;

open (my $var, '<', $ARGV[0]);
open (my $data, '<',$ARGV[1]);

my$var_string=readline($var);
my @vars=($var_string=~/(\d\S+)/g);
my $index=0;
while(<$data>){
    if ($_=~/(\d+\.\d+)/){
        my $replacement="$vars[$index] ";
        my $replacement_abs=abs($vars[$index] - $1);
        $replacement .= ($vars[$index]>=$1)?"+$replacement_abs":"-$replacement_abs";
        $_=~s/(\d+\.\d+)/$replacement/;
        $index++
    }
    print
}

# 3  
Old 11-28-2013
Try :

Code:
awk -v Variable="54.24425 35.24535 24.24225 35.24535" \
    '
    BEGIN{
            split(Variable,A)
         }
 /^Value/{
            ++i
            $3 = A[i] FS A[i] -$3
         }1
    '  file

# 4  
Old 11-28-2013
Note that the output you said you want on lines starting with "Value One" does not match the sample data you provided.

Akshay's proposal comes close to what I think you want, but doesn't print the results with leading + signs and five decimal places.

Try:
Code:
awk -v Variable='54.24425 35.24535 24.24225 35.24535' '
BEGIN { split(Variable, vlist) }
$1 == "Value" {
        $4 = sprintf("%+.5f", vlist[++v] - $3)
        $3 = vlist[v]
}
1' file1.text > file2.txt

which puts the following into file2.txt:
Code:
Data 1
Value One 54.24425 +29.99999
Value Two 35.24535 -10.00000

Data 2
Value One 24.24225 -20.00000
Value Two 35.24535 +10.00000

I believe the values shown in red are correct, but do not match the output you said you wanted.

If you want to run this on a Solaris/SunOS system, change awk to /usr/xpg4/bin/awk, /usr/xpg6/bin/awk, or nawk.
# 5  
Old 11-28-2013
Quote:
Originally Posted by Don Cragun
Note that the output you said you want on lines starting with "Value One" does not match the sample data you provided.

Akshay's proposal comes close to what I think you want, but doesn't print the results with leading + signs and five decimal places.

Try:
Code:
awk -v Variable='54.24425 35.24535 24.24225 35.24535' '
BEGIN { split(Variable, vlist) }
$1 == "Value" {
        $4 = sprintf("%+.5f", vlist[++v] - $3)
        $3 = vlist[v]
}
1' file1.text > file2.txt

which puts the following into file2.txt:
Code:
Data 1
Value One 54.24425 +29.99999
Value Two 35.24535 -10.00000

Data 2
Value One 24.24225 -20.00000
Value Two 35.24535 +10.00000

I believe the values shown in red are correct, but do not match the output you said you wanted.

If you want to run this on a Solaris/SunOS system, change awk to /usr/xpg4/bin/awk, /usr/xpg6/bin/awk, or nawk.
Don thanks for your reply, Data 1 and Data 2 are texts stamped in file1.txt but file2.txt does`nt exist, I want to generate it by matching first value with the first of the variable make the operation with the original value and get the result (first value of the variable) on the same row and at the right of the old value the result of the operation, with a + or - symbol at left.
# 6  
Old 11-28-2013
@ Don Thanks you, I was in hurry forgot to usesprintf and I too noticed expected is 30.0001 and actual result is 29.99999

@faka please post your requirement clearly
# 7  
Old 11-28-2013
Quote:
Originally Posted by faka
Don thanks for your reply, Data 1 and Data 2 are texts stamped in file1.txt but file2.txt does`nt exist, I want to generate it by matching first value with the first of the variable make the operation with the original value and get the result (first value of the variable) on the same row and at the right of the old value the result of the operation, with a + or - symbol at left.
I know file2.txt doesn't exist; the script I gave you creates it.

The contents of file2.txt that I showed you is what is produced by the script I gave you.

You said you wanted file2.txt to contain:
Code:
Data 1
Value One 54.24425 +30.00001 
Value Two 35.24535 -10.00000

Data 2
Value One 24.25225 -20.00000
Value Two 35.24535 +10.00000

But, 54.24425 - 24.24426 is +29.99999; not the +30.00001 you said you wanted. And the 3rd value you had in Variable is 24.24225; not the 24.25225 you said you wanted in the output.

Note also that your 1st message in this thread says that your input file is file1.text; not file1.txt. The script I gave you used the filename you specified.
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