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Full Discussion: Appending a column in xlsx file using Python
Top Forums Programming Appending a column in xlsx file using Python Post 302999776 by nans on Tuesday 27th of June 2017 05:19:18 PM
Old 06-27-2017
Quote:
Originally Posted by durden_tyler
1) Remove the parameter, not the function call. In other words, do call the function, but don't pass any parameter to it.

2) Change the signature of the function so that it does not accept any parameter.

3) Call the function only once. Calling the same function that reads the same text file and returns the same dictionary every time you find an Excel spreadsheet is extremely inefficient.

4) Check what you are trying to print.
Code:
pos_col_no = 'E'
alt_col_no = 'G'
ref_col_no = 'F'
row_no = 4

So,
Code:
pos_col_no + alt_col_no + ref_col_no + str(row_no) = 'EGF4'

There is no cell called "EGF4" in any Excel spreadsheet.
Hence Python cannot print it.
>>> Ok, that's a wrong statement. My bad, sorry. Looks like newer versions of Microsoft Excel do have cell "EGF4".
>>> That may not be the cell you want to print. My guess is that your program is printing "None" instead of nothing.
>>> Your spreadsheet's cell "EGF4" is empty, most likely.
I'm using Libre Office, an older version, not microsoft excel. So what would be the appropriate way of calling E4:G4:F4 -> V4

What do you mean by point 2 ? Will.it then be
dpos = get_text_data(txt_filename)
Last edited by nans; 06-27-2017 at 07:40 PM..
 

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LEARN ABOUT DEBIAN

runxlrd

RUNXLRD(1)						      General Commands Manual							RUNXLRD(1)

NAME

       runxlrd - extract data from Microsoft Excel spreadsheet files

SYNOPSIS

       runxlrd [options] command [input-file-patterns]

DESCRIPTION

       This manual page documents briefly the runxlrd command.

       runxlrd offers a commandline interface to the Python xlrd module; it extracts data from Microsoft Excel spreadsheet files.

OPTIONS

       -h, --help
	      Show summary of options and exit.

       -l logfilename
	      Contains error messages.

       -v verbosity, --verbosity=verbosity
	      Level of information and diagnostics provided.

       -p pickleable, --pickleable=pickleable
	      1: ensure Book object is pickleable (default); 0: don't bother.

       -m mmap, --mmap=mmap
	      1: use mmap; 0: don't use mmap; -1: accept heuristic.

       -e encoding, --encoding=encoding
	      Encoding override.

       -f formatting, --formatting=formatting
	      0 (default): no fmt info 1: fmt info (all cells) 2: fmt info (margins trimmed).

       -g gc, --gc=gc
	      0: auto gc enabled; 1: auto gc disabled, manual collect after each file; 2: no gc.

       -s onesheet, --onesheet=onesheet
	      Restrict output to this sheet (name or index).

COMMANDS

       Valid commands are

       o dump

       o count_records

       o version

       o hdr

       o ov

       o show

       o 2rows

       o 3rows

       o bench

       o names

       o name_dump

       o labels

       o xfc

       o hotshot

       o profile

       See the xlrd API documentation for the meaning of these commands.

EXAMPLES

       To show the first, second and last rows of each sheet in each file, run
	      $ runxlrd 3rows *blah*.xls
       Run
	      $ runxlrd -e koi8_r 3rows myfile.xls
       to explicitly pass the needed codepage to xlrd, e.g. if the codepage record is missing, or if it exists but is wrong.

SEE ALSO

       The xlrd API documentation, shipped in the file xlrd.html.
       The xlrd website <http://www.lexicon.net/sjmachin/xlrd.htm>.

AUTHOR

       runxlrd was written by John Machin.

       This manual page was written by Joost van Baal <joostvb+debian@uvt.nl>, for the Debian project (but may be used by others).

xlrd 0.6.1a4							    2007-05-24								RUNXLRD(1)
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