- Format: Kindle Edition
- File Size: 886.0 KB
- Print Length: 100 pages
- Simultaneous Device Usage: Unlimited
- Publisher: Steve Parker (26 Mar. 2013)
- Sold by: Amazon Media EU S.à r.l.
- Language: English
- ASIN: B00C2EGNSA
- Text-to-Speech: Enabled
- Word Wise: Not Enabled
- Average Customer Review: 4 customer reviews
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#540,524 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
- #76 in Kindle Store > Books > Computing > Networking > System Administration > Linux & UNIX Administration
- #666 in Books > Computers & Internet > Software & Graphics > Internet Applications > Web-server Software > UNIX & Linux Operating Systems
- #1442 in Kindle Store > Books > Computing > Programming > Languages & Tools
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Shell Scripting Tutorial Kindle Edition
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Just remember to change the permissions of each script you run using chmod or to invoke the script from the commandline as bash <filename>.
Happy (lawful) hacking all :)
As an example, on the second page of the book itself (page 10 in the paper edition) you find the difference in speed of execution between these two methods:
cat /tmp/myfile | grep "mystring"
grep "mystring" /tmp/myfile
If you don't know what the difference is, and don't understand both, don't get the book, it will be wasted on you.
Its very short, very tersely written, 100 pages long. It is unusually dense, there is a lot of very instructive detailed information in it. Its organized in short chapters on selected topics which are gone into very specifically but not at much length. There are many points where the author credits readers for corrections. Some will find this a mark of open minded generosity. Others will conclude either that the shell is diabolically difficult to have permitted him to make the errors to start with, or that he has been careless or not a very trustworthy guide.
We have oddities like on page 19, where someone is credited with having warned him not to omit double quotes because of their effect on a single quote in line 3. There is no single quote in line 3. Bad proofing?
If you are in the target audience, get it, you'll learn a lot. If not, and just starting, get instead Glen Smith's book, Introduction to Shell Scripting. This is just as detailed but on more topics, and is carefully written for the beginner. And its comprehensive and structured, not just a series of topics.
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