A low level routine that returns the column number for a quantity in a table file.

% find_table_column_num --help    

Usage: find_table_column_num conpixcat.params+label Xcent  
arg1 - file listing parameter names   
arg2 - name of parameter to be located  

Here is a sample file: 
% cat A1.params
mag_inst
Peak
AnnAv
g
r
i
B
V
R

Sampe runs: 
% find_table_column_num A1.params Peak
2   

% find_table_column_num A1.params B