problem writing to a file each record read

[Eduardo Biano]

I am a python newbie and I have a problem with writing
each record read to a file. The expected output is 10
rows of records, but the actual output of the code
below is only one row with a very long record (10
records are lump into one record). Thank you in
advance for your help. Here is the code:

****************************************

infile = open('c:/grad3650txt.csv', 'r')
outfile = open('c:/idmast01.txt', 'w')

a = 1
b = 10
for line in infile.readlines():
if a <= b:
c1 = line.find(',',0)
ln = line[1:c1]
l2 = line.find('"', c1)
l2a = l2 - 1
l2c = l2
if line[l2a] == '.':
l2b = l2 - 3
if line[l2b] == ' ':
mi = line[l2b+1:l2a+1]
l2c = l2b
else:
mi = ' '
l2c = l2
fn = line[c1+2:l2c]
c2 = line.find(',', l2)
c3 = line.find(',', c2+1)
deg = line[c2+1:c3]
l5 = len(line)
c4 = line.find(',', c3+1)
l7 = c3 + 14
if l5 <= l7 or c4 <= l5:
l8 = l5
if c4 <= l5:
dat = line[c3+1:c4]

#-----------------------------------
# This is the problem code. Ten records
# is lump into 1 row and written
# in the output file.
#
# My expected output is 10 rows.
#-----------------------------------
info = string.join([fn, mi, ln, deg, dat]

outfile.write(info)
#----------------------------------
#
a = 1 + a
else:
a = 1 + a

infile.close()
outfile.close()
# ------------------------------------------------

Thank you very much for your help.

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[Peter Otten]

Eduardo Biano wrote:

#-----------------------------------
#**This*is*the*problem*code.*Ten*records
#**is**lump*into*1*row*and*written
#**in*the*output*file.
#
#**My*expected*output*is*10*rows.
#-----------------------------------
info*=*string.join([fn,*mi,*ln,*deg,*dat]
Should probably be ",".join([fn,*mi,*ln,*deg,*dat])
outfile.write(info)

You have to add a newline explicitly if you want one:

outfile.write("\n")

Using the csv module that comes with Python may simplify your task a lot.

Peter

[bruno at modulix]

Eduardo Biano wrote:

I am a python newbie and I have a problem with writing
each record read to a file. The expected output is 10
rows of records, but the actual output of the code
below is only one row with a very long record (10
records are lump into one record). Thank you in
advance for your help. Here is the code:

****************************************

infile = open('c:/grad3650txt.csv', 'r')

Use the csv module. It's in the standard lib. And it'll save you lot of
wasted time and aspirin.

--
bruno desthuilliers
python -c "print '@'.join(['.'.join([w[::-1] for w in p.split('.')]) for
p in 'o****@xiludom.gro'.split('@')])"