if h <= len(chems):
h += 1
maybe that should be h < len(chems)
On Wed, Jul 18, 2012 at 10:31 AM, Rich Shepard <[email protected]>wrote:
> I have an exception thrown for an index error that I do not see. Running
> the script through winpdb gives me no more insight into why the error is
> there (on line 27).
>
> Traceback (most recent call last):
> File "./wide-to-long.py", line 27, in <module>
> output.write(str(chems[h]))
> IndexError: list index out of range
>
> Here's the script:
>
> #!/usr/bin/env python
>
> import sys
>
> """
> First row of input file is list of chemical constituents. Following rows
> have
> site ID, sample date, and a quantity for each constituent.
> """
> filename = sys.argv[1]
>
> infile = open(filename, 'r')
> output = open("out.txt","w")
>
> # read column headers into a list
> chems = infile.readline().split(',')
> h = 0 # header list index
>
> # read each data line
> d = 2 # data list index
>
> for line in infile.read().split('\n'):
> data = line.split(',')
> output.write(str(data[0]))
> output.write(',')
> output.write(str(data[1]))
> output.write(',')
> output.write(str(chems[h])) # site of index error.
> output.write(',')
> output.write(str(data[d]))
> output.write('\n')
> if h <= len(chems):
> h += 1
> if d <= len(chems):
> d += 1
>
> infile.close()
> output.close()
>
> ------------------------------
>
> Sample data:
>
> Ag,Al,CO3,HCO3,AlkTot,As,Ba,**Be,Bi,Ca,Cd,Cl,Co,Cr,Cu,DO,Fe,**
> Hg,K,Mg,Mn,Mo,Na,NH4,NO3NO2,**oil_grease,Pb,pH,Sb,SC,Se,SO4,**
> Sr,TDS,Tl,V,Zn
> D-1,2007-12-12,-0.005,0.106,-**1.000,231.000,231.000,0.011,0.**
> 000,-0.002,0.000,100.000,0.**000,1.430,0.000,-0.006,0.024,**
> 4.960,4.110,,0.000,9.560,0.**035,0.000,0.970,-0.010,0.293,,**
> 0.025,7.800,-0.001,630.000,0.**001,65.800,0.000,320.000,-0.**
> 001,0.000,11.400
> D-1,2008-03-15,-0.005,-0.080,-**1.000,228.000,228.000,0.001,0.**
> 000,-0.002,0.000,88.400,0.000,**1.340,0.000,-0.006,0.014,9.**
> 910,0.309,0.000,0.000,9.150,0.**047,0.000,0.820,0.224,-0.020,,**
> 0.025,7.940,-0.001,633.000,0.**001,75.400,0.000,300.000,-0.**
> 001,0.000,12.400
> D-1,2008-06-26,-0.005,0.116,6.**700,118.000,124.000,0.010,0.**
> 000,-0.002,0.000,63.400,0.000,**1.750,0.000,-0.006,0.020,4.**
> 320,2.830,0.000,0.000,9.550,0.**020,0.000,0.653,-0.010,-0.050,**
> ,0.025,8.650,0.001,386.000,-0.**001,68.500,0.000,480.000,-0.**
> 001,0.000,5.500
>
> A clue stick appropriately applied will be very helpful.
>
> TIA,
>
> Rich
>
> ______________________________**_________________
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>
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