Replace in a CSV file value of a column [closed] - linux

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I have a a CSV file with this structure:
31126000283424431;32285076389;t;text text;1;3;;1;1;0.9;0.81;0;0;1;1;1;2013-11-21;;NL
31126000279521531;32308233749;c;text text;1;2;;1;9;2.79;7.78;0;0;4;16;9;2013-11-21;;NL
31126000279406931;32291254349;c;text text;1;5;;1;3;0.98;0.96;0;0;3;9;0;2013-11-21;;NL
31126000272138431;32284912829;c;text text;1;3;;1;1;0;0;0;0;3;9;0;2013-11-21;;NL
31126000271468431;32304086789;t;text text;1;5;;1;1;0.2;0.04;0;0;2;4;1;2013-11-21;;NL
31126000269838731;29269530509;c;text text;1;1;;1;1;0.45;0.2;0;0;3;9;0;2013-11-21;;NL
and I need to replace the number after the sixth semicolon to 0.
So the output file would look like:
31126000283424431;32285076389;t;text text;1;0;;1;1;0.9;0.81;0;0;1;1;1;2013-11-21;;NL
31126000279521531;32308233749;c;text text;1;0;;1;9;2.79;7.78;0;0;4;16;9;2013-11-21;;NL
31126000279406931;32291254349;c;text text;1;0;;1;3;0.98;0.96;0;0;3;9;0;2013-11-21;;NL
31126000272138431;32284912829;c;text text;1;0;;1;1;0;0;0;0;3;9;0;2013-11-21;;NL
31126000271468431;32304086789;t;text text;1;0;;1;1;0.2;0.04;0;0;2;4;1;2013-11-21;;NL
31126000269838731;29269530509;c;text text;1;0;;1;1;0.45;0.2;0;0;3;9;0;2013-11-21;;NL
I have been trying awk, sed, and cut, but I can't get it to work.
thank you

Answer 1

your example shows the 6th col, but after the 5th semi.
awk -F';' -v OFS=';' '$6=0;7' file
try the line above

Answer 2

sed "s/;[^;]\{1,\}/;0/5" YourFile.csv
assume there is always something in colum
sed "s/;[^;]*/;0/5" YourFile.csv
change in every case even if there is no number is 6th column

Answer 3

If you've got php on your machine you could use this very handy CSV Paser class. It will convert your CSV in to a 2D array, from which you can cycle through using a foreach loop and change the data.
$csvFile
foreach($csvFile as $value){
foreach($value as $k => $v){
if($k == 5){ $v = 0}
}
}
This would automate it for a CSV file of any size of the same format.

Answer 4

perl -MText::CSV_XS -e'$csv=Text::CSV_XS->new({sep_char=>";", eol=>"\n"}); while($row=$csv->getline(ARGV)) {$row->[5]=0;$csv->print(STDOUT, $row)}'
Use as filter or put input file as parameter. You should use proper CSV parser for any serious work.