Learn to generate scripts that can enumerate through many files and collect details.
- [Instructor] Welcome to the next video of section three,…enumerating file type statistics.…In the previous video, we've learned how to find…symbolic links and their targets.…In this video we'll learn how to write scripts…that can enumerate through many files and collect details.…There are many file types.…It will be an interesting exercise to write a script…that can enumerate through all the files inside a directory,…its descendants,…print a report that provides details of file types,…files with different file types,…and the count of each file type present.…
The file command can be used to find out the type of file…by looking at the contents of the file.…In Unix/Linux systems file types are not determined…based on the extension of the file,…like the Microsoft Windows platform does.…This section aims at collecting file type statistics…of a number of files.…For storing the count of files of the same type,…we can use an associative array…and the file command can be used…to fetch the file type details from each of the files.…
Released
7/17/2017Note: This course was created by Packt Publishing. We are pleased to host this training in our library.
- Printing in the terminal
- Performing math in the Linux shell
- Getting and setting dates
- Working with functions and arguments
- Reading output
- Making comparisons
- Concatenating text
- Finding, editing, generating, and deleting files
- Running parallel processes
- Using regular expressions
- Downloading webpages
- Parsing data from a website
- Finding broken links
- Backing up and archiving
- Transferring files and data through the network
- Monitoring your Linux system
- Gathering data for system administration
Skill Level Intermediate
Duration
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1. Shell Something Out
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Printing in the terminal6m 4s
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Math with the shell3m 5s
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Visiting aliases2m 25s
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Debugging the script2m 46s
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Functions and arguments4m 31s
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Comparisons and tests6m 22s
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2. Have a Good Command
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Concatenating with cat5m 30s
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Finding files and file listing18m 46s
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Playing with xargs11m 41s
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Translating with tr6m 51s
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Checksum and verification4m 46s
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Splitting files and data4m 53s
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Automating interactive input4m 10s
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3. File In, File Out
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Generating files of any size4m 24s
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Making files immutable2m 13s
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Using loopback files6m 15s
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Printing the directory tree3m 18s
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4. Texting and Driving
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Using regular expressions9m 25s
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5. Tangled Web? Not at All
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Downloading from a web page5m 15s
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A primer on cURL7m 11s
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Image crawler and downloader3m 36s
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Web photo album generator1m 54s
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6. The Backup Plan
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Archiving with tar10m 33s
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Archiving with cpio2m 31s
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Compressing data with gzip5m 27s
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Faster archiving with pbzip23m 15s
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Backup snapshots with rsync6m 55s
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7. The Old-Boy Network
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Let us ping4m 53s
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Creating arbitrary sockets2m 45s
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8. Put on the Monitor's Cap
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Logging with syslogd2m 44s
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Monitoring disk activity1m 41s
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9. Administration Calls
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Gathering system information1m 57s
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Scheduling with cron7m 7s
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User administration script5m 16s
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Video: Enumerating file type statistics