Inhalt
... Bash, PowerShell, or Python? ... 23
... About This Book ... 24
1.1 ... What Does Scripting Mean? ... 29
1.2 ... Scripting Languages ... 31
1.3 ... The Agony of Choice ... 35
2.1 ... Markdown Spell Checker (Bash) ... 39
2.2 ... Sorting Images by Date (PowerShell) ... 40
2.3 ... Converting a JSON File to XML Format (Python) ... 41
2.4 ... Daily Server Backups (Bash) ... 42
2.5 ... Web Scraping (Python) ... 43
2.6 ... Logging Weather Data (Python) ... 44
2.7 ... Microsoft Hyper-V Cleanup (PowerShell) ... 45
2.8 ... Statistical Analysis of a Logging File (Bash) ... 46
2.9 ... Uploading Files to the Cloud (PowerShell) ... 46
2.10 ... Cloning Virtual Machines (Bash) ... 47
3.1 ... Terminal, Shell, and Bash ... 49
3.2 ... Installation ... 50
3.3 ... Running Commands Interactively ... 53
3.4 ... Zsh as an Alternative to Bash ... 56
3.5 ... The First Bash Script ... 58
3.6 ... Running Commands ... 63
3.7 ... Standard Input and Standard Output ... 66
3.8 ... Globbing, Brace Extension, and Handling File and Directory Names ... 68
3.9 ... Variables ... 72
3.10 ... Strings ... 77
3.11 ... Branches ... 85
3.12 ... Loops ... 91
3.13 ... Functions ... 95
3.14 ... Error Protection ... 96
4.1 ... Installation ... 99
4.2 ... Windows Terminal ... 103
4.3 ... Calling cmdlets and Functions ... 106
4.4 ... Combining Commands ... 112
4.5 ... The First Script ... 114
4.6 ... Variables, Strings, and Objects ... 120
4.7 ... Arrays and Hash Tables ... 131
4.8 ... Output Redirection ... 133
4.9 ... Loops ... 137
4.10 ... Branches ... 139
4.11 ... Functions and Parameters ... 141
4.12 ... Modules ... 147
4.13 ... Error Protection ... 149
5.1 ... Installing Python ... 153
5.2 ... Getting to Know Python in a Terminal Window ... 156
5.3 ... Programming Custom Scripts ... 157
5.4 ... Elementary Syntax Rules ... 158
5.5 ... Numbers ... 160
5.6 ... Strings ... 162
5.7 ... Lists ... 169
5.8 ... Tuples, Sets, and Dictionaries ... 171
5.9 ... Variables ... 174
5.10 ... Operators ... 178
5.11 ... Branches (if) ... 180
5.12 ... Loops (for and while) ... 181
5.13 ... Functions ... 187
5.14 ... Processing Text Files ... 192
5.15 ... Error Protection ... 195
5.16 ... System Functions ... 195
5.17 ... Modules ... 198
5.18 ... Installing Additional Modules Using pip ... 199
6.1 ... Directories and Files ... 207
6.2 ... Finding Files ... 209
6.3 ... Compressing and Archiving Files ... 210
6.4 ... Using Root Privileges ... 212
6.5 ... Software Installation ... 218
6.6 ... Other Commands ... 220
7.1 ... Directories and Files ... 223
7.2 ... Finding Files ... 227
7.3 ... Compressing and Archiving Files ... 230
7.4 ... Process Management ... 232
7.5 ... Registration Database and System Information ... 235
7.6 ... Processing cmdlet Results ... 238
7.7 ... Other cmdlets ... 243
7.8 ... Installing Additional Modules ... 243
7.9 ... Standard Aliases ... 246
8.1 ... grep, sort, cut, and uniq ... 249
8.2 ... Example: Statistical Data Analysis ... 256
8.3 ... Example: ping Analysis ... 258
8.4 ... Example: Apache Log Analysis ... 260
8.5 ... CSV Files ... 263
9.1 ... Syntax Rules for Regular Expressions ... 268
9.2 ... Groups and Alternatives ... 270
9.3 ... Regular Expressions in Bash (grep, sed) ... 276
9.4 ... Regular Expressions in PowerShell ... 280
9.5 ... Regular Expressions in Python (re Module) ... 283
10.1 ... JSON in PowerShell ... 287
10.2 ... JSON and Python ... 290
10.3 ... JSON in Bash ... 295
10.4 ... XML in PowerShell ... 298
10.5 ... XML and Python ... 302
10.6 ... XML in Bash ... 305
10.7 ... INI Files ... 307
11.1 ... cron ... 309
11.2 ... Example: Web Server Monitoring ... 313
11.3 ... Microsoft Windows Task Scheduler ... 315
11.4 ... Example: Saving Exchange Rates ... 319
11.5 ... Tracking File System Changes ... 320
12.1 ... Installing the SSH Client and Server ... 323
12.2 ... Working with SSH ... 327
12.3 ... scp and rsync ... 332
12.4 ... SSH Authentication with Keys ... 333
12.5 ... Example: Uploading Images to a Linux Web Server ... 336
12.6 ... Example: Analyzing Virtual Machines ... 339
13.1 ... Introduction ... 341
13.2 ... Language-Specific VS Code Extensions ... 343
13.3 ... Remote – SSH Extension ... 345
14.1 ... Git Crash Course ... 348
14.2 ... Handling Settings and Passwords Correctly ... 355
14.3 ... Git Automation ... 358
14.4 ... Git Hooks ... 360
15.1 ... Synchronizing Directories to External Storage ... 365
15.2 ... WordPress Backup ... 370
15.3 ... SQL Server Backup ... 372
16.1 ... Manipulating Image Files ... 375
16.2 ... Sorting Photos by Date Taken ... 379
16.3 ... Converting Exif Metadata to SQL Commands ... 382
17.1 ... Limitations ... 389
17.2 ... Web Scraping, Web Crawling, and Data Mining ... 390
17.3 ... Downloading Websites Using wget ... 390
17.4 ... Web Scraping with Regular Expressions ... 393
17.5 ... Web Scraping with Beautiful Soup ... 395
17.6 ... Web Scraping with Requests-HTML ... 399
17.7 ... Web Scraping with PowerShell ... 401
18.1 ... Tools ... 405
18.2 ... Sample APIs to Try Out ... 406
18.3 ... Implementing Custom REST APIs ... 406
18.4 ... curl and wget ... 406
18.5 ... Using REST APIs in PowerShell ... 411
18.6 ... Example: Determining the Current Weather ... 413
18.7 ... Using REST APIs in Python ... 414
18.8 ... Example: Determining Electricity Prices and Displaying Them Graphically ... 416
19.1 ... Updating and Maintaining Databases ... 422
19.2 ... Creating a New Customer Account ... 423
19.3 ... Storing Exif Metadata in a Database ... 426
19.4 ... Importing JSON Data into a Table ... 429
20.1 ... AWS CLI ... 433
20.2 ... Example: Uploading Encrypted Backup Files to the Cloud ... 438
20.3 ... AWS PowerShell Module ... 439
20.4 ... Example: Offloading Large Files from a Website to the Cloud ... 442
21.1 ... Setting Up and Running Virtual Machines (KVMs) ... 447
21.2 ... Automating the Network Configuration (KVMs) ... 450
21.3 ... Controlling Hyper-V ... 453
