--- layout: page author: Domenico Votta category-page: advanced category-title: Advanced commands tags: remove column title: colrm --- The colrm is a command that removes the column that you indicate
Here we have a file named example.txt that contains two lines to test this command:
example.txt {% highlight bash linenos %} 123456789 abcdefghi {% endhighlight %} The syntax command is:
 colrm [first] [last]
colrm 4 < example.txt
123
abc

How you can see, if I don't indicate the last column, the command removes all the colums starting from 4 included.

colrm 2 4 < example.txt
156789
aefghi

Here, how you can see, the command has removed not all the columns, but only the colums that starting at 2 and ending at 4, included.