Best answer: How do I sort a specific column in Unix?

-k Option : Unix provides the feature of sorting a table on the basis of any column number by using -k option. Use the -k option to sort on a certain column. For example, use “-k 2” to sort on the second column.

How do I sort a specific column?

Sorting by a Single Column

Sorting by single column requires the use of the -k option. You must also specify the start column and end column to sort by. When sorting by a single column, these numbers will be the same. Here is an example of sorting a CSV (comma delimited) file by the second column.

How do you sort in Unix?

Unix Sort Command with Examples

  1. sort -b: Ignore blanks at the start of the line.
  2. sort -r: Reverse the sorting order.
  3. sort -o: Specify the output file.
  4. sort -n: Use the numerical value to sort.
  5. sort -M: Sort as per the calendar month specified.
  6. sort -u: Suppress lines that repeat an earlier key.

How do I select a specific column in Unix?

The syntax for extracting a selection based on a column number is:

  1. $ cut -c n [filename(s)] where n equals the number of the column to extract. …
  2. $ cat class. A Johnson Sara. …
  3. $ cut -c 1 class. A. …
  4. $ cut -f n [filename(s)] where n represents the number of the field to extract. …
  5. $ cut -f 2 class > class.lastname.

How do I sort in second column?

Here’s how to do a custom sort:

  1. Select Custom Sort.
  2. Select Add Level.
  3. For Column, select the column you want to Sort by from the drop-down, and then select the second column you Then by want to sort. …
  4. For Sort On, select Values.
  5. For Order, select an option, like A to Z, Smallest to Largest, or Largest to Smallest.

How do you sort three columns?

Follow these steps to safely sort by the 3 columns:

  1. Select all the cells in the list. …
  2. On the Excel Ribbon, click the Data tab.
  3. In the Sort & Filter group, click the Sort button.
  4. Click the Add Level button, to add the first sorting level.
  5. From the Sort by dropdown, select the first column you want to sort.

How do I sort one column and keep rows together?

To do this, use Excel’s Freeze Panes function. If you want to freeze just one row, one column or both, click the View tab, then Freeze Panes. Click either Freeze First Column or Freeze First Row to freeze the appropriate section of your data. If you want to freeze both a row and a column, use both options.

Why sort is used in Linux?

SORT command is used to sort a file, arranging the records in a particular order. The sort command is a command line utility for sorting lines of text files. … It supports sorting alphabetically, in reverse order, by number, by month and can also remove duplicates.

What does sort mean Unix?

The sort command sorts the contents of a file, in numeric or alphabetic order, and prints the results to standard output (usually the terminal screen). The original file is unaffected.

How do I sort files in Linux?

How to Sort Files in Linux using Sort Command

  1. Perform Numeric Sort using -n option. …
  2. Sort Human Readable Numbers using -h option. …
  3. Sort Months of an Year using -M option. …
  4. Check if Content is Already Sorted using -c option. …
  5. Reverse the Output and Check for Uniqueness using -r and -u options.

How do I select a column in Linux?

10 Practical Linux Cut Command Examples to Select File Columns

  1. Select Column of Characters. …
  2. Select Column of Characters using Range. …
  3. Select Column of Characters using either Start or End Position. …
  4. Select a Specific Field from a File. …
  5. Select Multiple Fields from a File. …
  6. Select Fields Only When a Line Contains the Delimiter.

How do I find the 5th column in Unix?

How to do it…

  1. To print the fifth column, use the following command: $ awk ‘{ print $5 }’ filename.
  2. We can also print multiple columns and insert our custom string in between columns. For example, to print the permission and filename of each file in the current directory, use the following set of commands:

How do I get the third column in Unix?

To get third column in tab delimited file, you can simply call it as cut -f3 <file> . Different delimiter can be passed via -d parameter, e.g.: cut -f3 -d: . You can even get multiple columns, or characters at fixed positions on the line.

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