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Week 5: Assignment - greetme

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Llewellyn van der Merwe 2020-10-03 11:07:23 +02:00
parent 77c107ff99
commit 6f7f1c31c9
Signed by: Llewellyn
GPG Key ID: EFC0C720A240551C
5 changed files with 198 additions and 0 deletions
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week-05/greetme Executable file
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#!/bin/bash
#/-------------------------------------------------------------------------------------------------------
#
# @version 1.0.0
# @build 2nd Oct, 2020
# @package SDEV-415-81: Linux/ Unix Programming I - Fall 2020 (2020FA)
# @sub-package Week 5: Assignment - greetme
# @author Llewellyn van der Merwe <https://github.com/Llewellynvdm>
# @copyright Copyright (C) 2020. All Rights Reserved
# @license GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
#
#/--------------------------------------------------------------------------------------------------------
# 1. Write a bash script called greetme that will do the following:
# a. Contain a comment section with your name, the name of this script, and the purpose of this script.
# b. Greet the user (using the correct environment variable)
echo "Hi, $USER"
# c. Print the date and the time
datetime=$(date '+%d/%m/%Y %H:%M:%S');
echo "$datetime"
# d. Print the value of the TERM, PATH, and HOME variables
echo "$TERM"
echo "$PATH"
echo "$HOME"
# e. Print Please, could you loan me $50.00?
echo 'Please, could you loan me $50.00?'
# f. Tell the user Good-bye
echo "Good-bye, $USER"
# Make sure your script is executable. (chmod +x greetme)
chmod +x greetme
# 2. Answer the following question:
# What was the first line of your script? Why do you need this line?
# The first line was #!/bin/bash
# This #! is called the "hash-bang", "she-bang" or "sha-bang"
# and the /bin/bash is the standard location/path to the Bourn shell
# When the file is run as an executable, this line tells the interactive shell
# what kind of interpreter to run for this file, and where it can be found,
# but should you run the file as "bash greetme.sh", the first line is ignored.

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week-05/greetme.log Normal file
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Script started on 2020-10-02 03:53:07+02:00 [TERM="xterm-256color" TTY="/dev/pts/0" COLUMNS="105" LINES="49"]
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ exit./greetme
Hi, llewellyn
02/10/2020 03:53:10
xterm-256color
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
/home/llewellyn
Please, could you loan me $50.00?
Good-bye, llewellyn
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ exit
exit
Script done on 2020-10-02 03:53:16+02:00 [COMMAND_EXIT_CODE="0"]

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week-05/greetme_builder Executable file
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#!/bin/bash
# THE FILE BUILDER
echo '#!/bin/bash' > greetme
echo '#/-------------------------------------------------------------------------------------------------------
#
# @version 1.0.0
# @build 2nd Oct, 2020
# @package SDEV-415-81: Linux/ Unix Programming I - Fall 2020 (2020FA)
# @sub-package Week 5: Assignment - greetme
# @author Llewellyn van der Merwe <https://github.com/Llewellynvdm>
# @copyright Copyright (C) 2020. All Rights Reserved
# @license GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
#
#/--------------------------------------------------------------------------------------------------------' >> greetme
echo '
# 1. Write a bash script called greetme that will do the following:
# a. Contain a comment section with your name, the name of this script, and the purpose of this script.
# b. Greet the user (using the correct environment variable)
echo "Hi, $USER"
# c. Print the date and the time' >> greetme
echo -n "datetime=" >> greetme
echo -n '$' >> greetme
echo "(date '+%d/%m/%Y %H:%M:%S');" >> greetme
echo 'echo "$datetime"
# d. Print the value of the TERM, PATH, and HOME variables
echo "$TERM"
echo "$PATH"
echo "$HOME"
# e. Print Please, could you loan me $50.00?' >> greetme
echo -n "echo 'Please, could you loan me " >> greetme
echo -n '$' >> greetme
echo -n "50.00?'" >> greetme
echo '
# f. Tell the user Good-bye
echo "Good-bye, $USER"
# Make sure your script is executable. (chmod +x greetme)
chmod +x greetme
' >> greetme
echo '
# 2. Answer the following question:
# What was the first line of your script? Why do you need this line? ' >> greetme
echo '
# The first line was #!/bin/bash
# This #! is called the "hash-bang", "she-bang" or "sha-bang"
# and the /bin/bash is the standard location/path to the Bourn shell
# When the file is run as an executable, this line tells the interactive shell
# what kind of interpreter to run for this file, and where it can be found,
# but should you run the file as "bash greetme.sh", the first line is ignored.
' >> greetme

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week-05/greetme_builder.log Normal file
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Script started on 2020-10-02 03:57:35+02:00 [TERM="xterm-256color" TTY="/dev/pts/0" COLUMNS="105" LINES="49"]
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo '#!/bin/bash' > greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo '#/-------------------------------------------------------------------------------------------------------
> #
> # @version1.0.0
> # @build2nd Oct, 2020
> # @packageSDEV-415-81: Linux/ Unix Programming I - Fall 2020 (2020FA)
> # @sub-packageWeek 5: Assignment - greetme
> # @authorLlewellyn van der Merwe <https://github.com/Llewellynvdm>
> # @copyrightCopyright (C) 2020. All Rights Reserved
> # @licenseGNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
> #
> #/--------------------------------------------------------------------------------------------------------' >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo '
>
> # 1. Write a bash script called greetme that will do the following:
> # a. Contain a comment section with your name, the name of this script, and the purpose of this script.
> # b. Greet the user (using the correct environment variable)
> echo "Hi, $USER"
>
> # c. Print the date and the time' >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo -n "datetime=" >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo -n '$' >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo "(date '+%d/%m/%Y %H:%M:%S');" >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo 'echo "$datetime"
>
> # d. Print the value of the TERM, PATH, and HOME variables
> echo "$TERM"
> echo "$PATH"
> echo "$HOME"
>
> # e. Print Please, could you loan me $50.00?' >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo -n "echo 'Please, could you loan me " >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo -n '$' >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo -n "50.00?'" >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo '
>
> # f. Tell the user Good-bye
> echo "Good-bye, $USER"
>
> # Make sure your script is executable. (chmod +x greetme)
> chmod +x greetme
> ' >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo '
> # 2. Answer the following question:
> # What was the first line of your script? Why do you need this line? ' >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ echo '
> # The first line was #!/bin/bash
>
> # This #! is called the "hash-bang", "she-bang" or "sha-bang"
> # and the /bin/bash is the standard location/path to the Bourn shell
>
> # When the file is run as an executable, this line tells the interactive shell
> # what kind of interpreter to run for this file, and where it can be found,
> # but should you run the file as "bash greetme.sh", the first line is ignored.
> ' >> greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ chmod +x greetme
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ ./greetme
Hi, llewellyn
02/10/2020 03:59:12
xterm-256color
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
/home/llewellyn
Please, could you loan me $50.00?
Good-bye, llewellyn
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ ./greetme > greetme_output
]0;llewellyn@micron: ~/Linux Programming I/1_Week5_1llewellyn@micron:~/Linux Programming I/1_Week5_1$ exit
exit
Script done on 2020-10-02 03:59:34+02:00 [COMMAND_EXIT_CODE="0"]

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week-05/greetme_output Normal file
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Hi, llewellyn
02/10/2020 03:59:28
xterm-256color
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
/home/llewellyn
Please, could you loan me $50.00?
Good-bye, llewellyn