Field positioning in unix for a single output file

pvictory1 · 12-12-2009, 03:36 PM

Quote:

Hi, Is there a any other options beside using \t or a blank space for an output file? The problem I'm having is I'm converting F to C and C to F and the program works just fine but when you view the out put file one of the lines has three four digit numbers and it is keeps shifting the numbers over. So is there a way to make the numbers left justified or centered?

Quote:

my input file looks like this.
1
8
22
43
89
283
120
212
1043
100
287

Quote:

My line that is in question is

Code:

echo -e "\t$Temp \t\t  \t  $f  \t\t\t\t $Temp  \t\t\t\t   $c" >> output_file

Quote:

My out put looks like this

Code:

    Centigrade    Fahrenheit  Fahrenheit    Centigrade 
----------------  ----------  ----------    ----------
         1           33          1             -17
----------------  ----------  ----------    ----------
         8           46          8             -13
----------------  ----------  ----------    ----------
        22           71          22             -5
----------------  ----------  ----------    ----------
        43           109         43              6
----------------  ----------  ----------    ----------
        89           192         89             31
----------------  ----------  ----------    ----------
        283          541         283            139
----------------  ----------  ----------    ----------
        120          248         120            48
----------------  ----------  ----------    ----------
        212          413         212            100
----------------  ----------  ----------    ----------
        1043         1909             1043              561
----------------  ----------  -----------   ----------
        100          212         100            37
----------------  ----------  -----------   ----------
        287          548         287            141
----------------  ----------  -----------   ----------

evo2 · 12-12-2009, 03:46 PM

Hi,

Perhaps you are looking from something like printf.
In this example (untested) each integer is given 9 spaces in which it is right justified.

Code:

printf ' %9i %9i %9i %9i\n' $Temp $f $Temp $c >> output_file

Have a look at the man page for more information.

Cheers,

Evo2.