How can I sort the contents of a file?

How can I sort the contents of a file?

To sort the contents of a file, firstly we need to open the file in ‘read’ mode. Here, we take the file ‘sample.txt’ for simplicity. But, we can also take the name of the file from the user as an input. After this, we will open the specific file using statement given below-

What happens when you use sort instead of redirection?

Use the -o option of sort instead of using redirection operator, this will edit the file in place. This happens because the input / output file is truncated before its content is actually read, so sort ends up reading an already empty file.

How do you sort text file in Python?

Open the file in ‘read’ mode. Declare a Python list ‘words’. Fetch a single line from the file. Split on the line using function ‘split ()’ and store it in a temporary Python list. Finally, append each word in the temporary list to Python list ‘words’. Go to step 2 and repeat the steps until the end-of-file (EOF) is reached.

Is there a command to sort a file twice?

You may write like sort -b -o filename filename, where filename specifies the same file twice as you want the output to be saved or overwrite to the original file. This command works like, it shall remove any blank spaces and the sort the contents of file and overwrite to original file.

What’s the C option in the sort command?

-c option : This option is used to check if the file given is already sorted or not & checks if a file is already sorted pass the -c option to sort. This will write to standard output if there are lines that are out of order.The sort tool can be used to understand if this file is sorted and which lines are out of order

How to sort files by filename ascending or descending?

In this section we will be showing source code on how to list files in ascending or descending order by filename. We will be using extensively the Collections class sort method.

What’s the best way to sort a file in Linux?

Use the -k option to sort on a certain column. For example, use “-k 2” to sort on the second column. -c option : This option is used to check if the file given is already sorted or not & checks if a file is already sorted pass the -c option to sort.