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Old 07-22-2013, 06:14 AM   #16
tronayne
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Location: Northeastern Michigan, where Carhartt is a Designer Label
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Quote:
Originally Posted by textillis View Post
1. But what about simply "\h" to render "hostname"; which is what works for me?
Hmm. Well, you know something I don't -- never heard of using "\h" for hostname, may give that a try somewhere or other. I've always found that defining environment variables with descriptive upper case letters to be useful -- you can see the content of a variable with "echo ${VARIABLE};" e.g., echo ${HOST} or echo ${USER}. For that matter, you can see the content of every environment variable by executing "env". Different strokes...
Quote:
Originally Posted by textillis View Post
2. I notice you use single ` ... `; are these equivalent in scripting to " ... " (a key with which I am more comfortable: ie: i can actually hit it accurately, nearly every time )?
Frequently single quotes are just fine in place of double quotes (not `, but ', ` means something different entirely). You use `command` as a "sideways pipe" to feed output of "command" into an expression. Something like
Code:
command `other_command argument(s)`
would feed the output of other_command argument(s) into command.
Quote:
Originally Posted by textillis View Post
3. slack is sinking into my fibres, into my dreams and taking up waaaayyy too much of my waking moments for me to continue to claim the tag of normality.
Yeah, that sort of thing do tend to happen.

Hope this helps some.
 
Old 07-22-2013, 07:49 AM   #17
NonNonBa
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Quote:
Originally Posted by Didier Spaier
Before reading "man bash" I would recommend anyone reading the definition of the Shell Command Language in the POSIX standard
Well, it is a specification, so probably the most useful document for someone who uses to program, but a bit dry for the others. The best IMHO is to first get a tutorial to learn the very basics, then to find some simple but useful (something you'll maintain and improve) CLI tool to code for your own usage. Then the spec and all the manuals (I agree the bash manual's not handy when you don't know what you look for) can be interesting to solve the concrete problems you will encounter.

Quote:
Originally Posted by textillis
(Your suggestion about perl has peeked my curiosity)
If you read French, vieux, here's the the good introduction I've followed to dive in Perl.

Last edited by NonNonBa; 07-22-2013 at 07:50 AM.
 
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Old 07-22-2013, 10:06 AM   #18
textillis
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Registered: May 2013
Location: Northern Rivers, NSW, Australia
Distribution: Slackware64-current, Mint Nadya
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Thanks NonNonBa.
I read French pretty well; however, if I decide to take the plunge (I'm wavering between python, perl and haskell) I will need to get an English primer.
 
  


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