bash-tutorial/tutorial/display_files.org

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#+options: toc:nil num:nil author:nil
* Display files
Show content of a file. Concatenates and writes file.
Using "tac" reverses the result of "cat" command
: cat file.txt
Using head, tail and less to show parts of files
Showing the first two entries
#+begin_src bash
head -n 2 /etc/hosts
#+end_src
#+RESULTS:
| 127.0.0.1 | localhost |
| 127.0.1.1 | myuser |
Showing the last two entries
#+begin_src bash
tail -n 2 /etc/hosts
#+end_src
#+RESULTS:
| ff02::1 | ip6-allnodes |
| ff02::2 | ip6-allrouters |
#+begin_src bash
less /etc/hosts
#+end_src
#+RESULTS:
| 127.0.0.1 | localhost | | |
| 127.0.1.1 | myuser | | |
| ::1 | localhost | ip6-localhost | ip6-loopback |
| ff02::1 | ip6-allnodes | | |
| ff02::2 | ip6-allrouters | | |
Show content of a zip file using less and pipe "|"
#+begin_src bash
unzip -l tntvillage_484094.zip | less
#+end_src