143 lines
2.8 KiB
Plaintext
143 lines
2.8 KiB
Plaintext
|
{
|
|||
|
|
"cells": [
|
|||
|
|
{
|
|||
|
|
"cell_type": "markdown",
|
|||
|
|
"metadata": {},
|
|||
|
|
"source": [
|
|||
|
|
"# Unix Essentials — Bash Exercises\n",
|
|||
|
|
"\n",
|
|||
|
|
"This notebook contains short hands-on Bash exercises.\n",
|
|||
|
|
"Each exercise has a hidden solution that can be unfolded when needed."
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "markdown",
|
|||
|
|
"metadata": {},
|
|||
|
|
"source": [
|
|||
|
|
"## Exercise 1 – Listing and Filtering Files\n",
|
|||
|
|
"\n",
|
|||
|
|
"Create three files and list only those whose name ends with `.log`."
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "code",
|
|||
|
|
"execution_count": null,
|
|||
|
|
"metadata": {},
|
|||
|
|
"outputs": [],
|
|||
|
|
"source": [
|
|||
|
|
"# your work here\n",
|
|||
|
|
"touch report.log notes.txt errors.log\n",
|
|||
|
|
"# list files ending with .log"
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "code",
|
|||
|
|
"execution_count": null,
|
|||
|
|
"metadata": {
|
|||
|
|
"jupyter": {
|
|||
|
|
"source_hidden": true,
|
|||
|
|
"outputs_hidden": true
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
"outputs": [],
|
|||
|
|
"source": [
|
|||
|
|
"# Solution\n",
|
|||
|
|
"ls *.log"
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "markdown",
|
|||
|
|
"metadata": {},
|
|||
|
|
"source": [
|
|||
|
|
"## Exercise 2 – Redirecting Output\n",
|
|||
|
|
"\n",
|
|||
|
|
"List the `/etc` directory and save the results in a file named `listing.txt`, then display the first five lines of that file."
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "code",
|
|||
|
|
"execution_count": null,
|
|||
|
|
"metadata": {},
|
|||
|
|
"outputs": [],
|
|||
|
|
"source": [
|
|||
|
|
"# your work here\n",
|
|||
|
|
"# 1. list /etc\n",
|
|||
|
|
"# 2. redirect output to listing.txt\n",
|
|||
|
|
"# 3. show first five lines"
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "code",
|
|||
|
|
"execution_count": null,
|
|||
|
|
"metadata": {
|
|||
|
|
"jupyter": {
|
|||
|
|
"source_hidden": true,
|
|||
|
|
"outputs_hidden": true
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
"outputs": [],
|
|||
|
|
"source": [
|
|||
|
|
"# Solution\n",
|
|||
|
|
"ls /etc > listing.txt\n",
|
|||
|
|
"head -5 listing.txt"
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "markdown",
|
|||
|
|
"metadata": {},
|
|||
|
|
"source": [
|
|||
|
|
"## Exercise 3 – Using a For Loop\n",
|
|||
|
|
"\n",
|
|||
|
|
"Write a loop that prints the line count of each `.txt` file in the current directory."
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "code",
|
|||
|
|
"execution_count": null,
|
|||
|
|
"metadata": {},
|
|||
|
|
"outputs": [],
|
|||
|
|
"source": [
|
|||
|
|
"# your work here\n",
|
|||
|
|
"# hint: use wc -l"
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "code",
|
|||
|
|
"execution_count": null,
|
|||
|
|
"metadata": {
|
|||
|
|
"jupyter": {
|
|||
|
|
"source_hidden": true,
|
|||
|
|
"outputs_hidden": true
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
"outputs": [],
|
|||
|
|
"source": [
|
|||
|
|
"# Solution\n",
|
|||
|
|
"for f in *.txt; do\n",
|
|||
|
|
" echo \"$f: $(wc -l < \"$f\") lines\"\n",
|
|||
|
|
"done"
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
"cell_type": "markdown",
|
|||
|
|
"metadata": {},
|
|||
|
|
"source": [
|
|||
|
|
"---\n",
|
|||
|
|
"All solutions are hidden by default (`source_hidden: true`). Students can unfold them in Jupyter’s interface to compare with their own answers."
|
|||
|
|
]
|
|||
|
|
}
|
|||
|
|
],
|
|||
|
|
"metadata": {
|
|||
|
|
"kernelspec": {
|
|||
|
|
"display_name": "Bash",
|
|||
|
|
"language": "bash",
|
|||
|
|
"name": "bash"
|
|||
|
|
},
|
|||
|
|
"language_info": {
|
|||
|
|
"name": "bash"
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
"nbformat": 4,
|
|||
|
|
"nbformat_minor": 5
|
|||
|
|
}
|