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тАО01-28-2005 04:23 AM
тАО01-28-2005 04:23 AM
Anyone here kwon where i find a list (or command) who display a list of HP-UX 10.20 special characters? (like *, $, #, etc)
Thx to all
Solved! Go to Solution.
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тАО01-28-2005 04:49 AM
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тАО01-28-2005 04:52 AM
тАО01-28-2005 04:52 AM
Re: List of reserved (or special) characters
but you'll have to "escape" the special meaning of those characters so the shell sees it as a simple string. The man page for the shell will be the most useful is understanding the unique characters. Look at shell built-in characters such as () {} [] which define special handling.
Also look at filename expansion such as ? and *. Filename expansion is an automated feature that changes the * character into whatever file/directory names are in the current directory. To see how this works, type thexe commands:
echo *
echo \*
In the first case, the * is replaced (by the shell) with all the names that match * (basically, any filename except those that start with .) The second form uses the \ character to disable the special meaning of *.
A good Korn shell book will give you the details about shell commands and special characters. If you are looking for a list of characters to avoid in filenames or other command-line strings, you can safely assume that the first 32 characters in ASCII (hex 00-2F) and the last 5 (7B-7F) mean something or are invisible and should not be used without knowing their meaning to the shell.
Bill Hassell, sysadmin
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тАО01-28-2005 07:04 AM
тАО01-28-2005 07:04 AM
Re: List of reserved (or special) characters
Decimal value 10 signifies a line feed, while 13 signifies the carriage return. Decimal value 8 is the
The "echo" command in Unix allows these to be used, but you must use the octal value. Values of 26 and less can be generated from the keyboard by pressing the
Features of printers can be enabled/disabled by sending a sequence of characters beginning with the
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тАО11-25-2008 04:17 AM
тАО11-25-2008 04:17 AM