- Iterate over columns of a file and count a pattern in each column
- Filter a file by matching with a column of another file
- Discard the 1st row
- Replace a column in file with a column from another file
- Sum columns of two files
- find & replace
- Delete lines by line numbers
- Get odd and even lines
- Write a table from a data file
- Get the number of columns
- MIN and MAX of a column
- Count word frequencies in a file
- Count frequency of an element in a column
- Add new fixed columns to the file
- Get average of a column
- Delete a column from a file
- Print chosen columns
- Print the last columns
- Sum of a column
- Grep lines containing a pattern in a column
- Get the row number if the pattern exists in a column
- See a line by number