Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

7. The pipeline operator | turns the standard output (aka. stdout) of a command into the standard input (aka. stdin) of the next one. How

7. The pipeline operator | turns the standard output (aka. stdout) of a command into the standard input (aka. stdin) of the next one. How can I turn the standard error (aka. stderr), and only that, into the standard input? Do so by first redirecting stderr to stdout, then redirecting stdout to /dev/null, then using the pipeline. Do an example with a first command that yields an error (e.g., cd to a non-existing directory), and tr of some character to another as the second command.

Write it as an executable script file in #!/bin/bash

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

PostgreSQL Up And Running A Practical Guide To The Advanced Open Source Database

Authors: Regina Obe, Leo Hsu

3rd Edition

1491963417, 978-1491963418

More Books

Students also viewed these Databases questions

Question

What is meant by organisational theory ?

Answered: 1 week ago

Question

What is meant by decentralisation of authority ?

Answered: 1 week ago

Question

Briefly explain the qualities of an able supervisor

Answered: 1 week ago

Question

Define policy making?

Answered: 1 week ago

Question

Define co-ordination?

Answered: 1 week ago