These days I have been working with csv files (Comma, separated files).
Usually you deal with csv files using Open Office or Microsoft Excel, but if all you want to do is to extract some data from the csv (I mean columns) you can easily use cut.
Let’s see a csv file example.
United States,Washington,North America Japan,Tokyo,Asia Israel,Tel Aviv,Asia Bolivia,Sucre,South America Brasil,Brasilia,South America
Let’s say we only want the country and continent
cut -d',' -f1,3 file.csv
The output will be:
United States,North America Japan,Asia Israel,Asia Bolivia,South America Brasil,South America
The options used are:
- -d, —delimiter
use DELIM instead of TAB for field delimiter
- -f, —fields
select only these fields; also print any line that contains no delimiter character, unless the -s option is specified.
- -s, —only-delimited
do not print lines not containing delimiters
Check the cut man page for more info.