[bash] How to use sort

May. 30, 2020

bash

sort

Reads a file and sorts it in descending or ascending order.

NAME
     sort -- sort or merge records (lines) of text and binary files

SYNOPSIS
     sort [-bcCdfghiRMmnrsuVz] [-k field1[,field2]] [-S memsize] [-T dir]
          [-t char] [-o output] [file ...]]
     sort --help
     sort --version

github

The file in jupyter notebook format on github is here.

google colaboratory

To run it in google colaboratory [here](https://colab.research.google.com/github/hiroshi0530/wa-src/blob/master/article/library/bash/sort /sort_nb.ipynb)

Environment

The author’s OS is macOS, and the options are different from those of Linux and Unix commands.

When you actually run the command, the leading ! and %%bash in the first line.

!sw_vers

ProductName: Mac OS X
ProductVersion: 10.14.6
BuildVersion: 18G95

!bash --version

GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin18)
Copyright (C) 2007 Free Software Foundation, Inc.

Example usage

%%bash
echo -e "b\nc\na\nz\ny" > temp1.txt
cat temp1.txt
sort -r temp1.txt > temp2.txt
echo -e "\nsorted"
cat temp2.txt

b
c
a
z
y

sorted
z
y
c
b
a

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