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Good examples that elaborate the use of cut. Keep on posting such things using other commands. When we have no value between tabs how do we get 4th column Same way. Tuesday, May 31, It is very useful in splitting columns on files with or file1 nth themes com thit delimiter. In this article, we will see how to use the cut command on files having a delimiter. Let us consider a sample file, say file1with a comma as delimiter as shown below:. The first column indicates name, second relationship, the third being the age, and the last one is their profession. Let us now try to work with this command with a few examples:. To get the list of names alone from the file, which is the first column :. The option "-d' followed by a comma indicates to cut the file file1 nth themes com thit the basis of comma. To get 2 fieldssay Name and Age:. Giving 1,3 means to retrieve the first and third file1 nth themes com thit which happens to be name and age respectively. To get the name, relationship and age, excluding the profession, i. The option means from first field till third field. Whenever we need a range of fields to be retrieved, we use the '-' option. The same result above can also be retrieved in other ways also:. This is the best of the 3 methods to retrieve a range of fields. The option "-3" means from the beginning i. And hence we get the fields 1, 2 and 3. To retrieve all the fields except the name field. Similar to the last result, "2-" means from the second field till the end which is the 4th field. Whenever the beginning of the range is not specified, it defaults to 1, similarly when the end of the range is not given, it defaults to the last field. The same result could have been achieved using the option "" as well. Let us consider the same input file with a space as the delimiter:. Rakesh Father 35 Manager. Niti Mother 30 GL. Shlok Son 5 Student. The same options and commands used above hold good but for the delimiter specified. When comma is the delimiter, we can give it after the -d option. However, for file1 nth themes com thit space as delimiter, we need to quote the delimiter as shown below.



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bash - select ith row and nth column and assign to variable in while loop - Stack Overflow