Python and Tcl - public course schedule [here] Private courses on your site - see [here] Please ask about maintenance training for Perl, PHP, Lua, etc |
String, Integer, Array, Associative Array - ksh variables
• In the Korn Shell, variables default to be being strings ...
$ r 26
kay=7
$ r 30
while (( $kay>3 )); do
echo $kay
kay=$kay-1
done;
7
7-1
7-1-1
7-1-1-1
$
• ... but you can declare them as integers.
$ integer kay
$ kay=7
$ kay=$kay-1
$ echo $kay
$ (( g = 8+8 ))
$ echo $g
16
$ h=8+8
$ echo $h
8+8
• Variables can also be arrays
• and even associative arrays (i.e. with named elements)
$ typeset -A stuffing
$ stuffing[turkey]=sage
$ stuffing[chicken]=onion
$ print ${stuffing[turkey]}
sage
$
You can get out the keys and the values to iterate through them ...
typeset -A places
places[Bristol]="Temple_Meads"
places[Radstock]="Shut_Doen"
print ${places[Bristol]}
print ${places[Radstock]}
# Values
print ${places[*]}
# keys
print ${!places[*]} (written 2008-05-30)
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles A172 - Web Application Deployment - Korn Shell - interactive and programming facilities [1660] Korn shell - some nuggets - (2008-05-30) [1658] Some useful variables and settings in the Korn Shell - (2008-05-30) [1367] korn tips - some useful korn shell techniques - (2007-09-25) [1365] Korn Shell scripts on the web - (2007-09-25) [1364] Korn shell course - resources - (2007-09-24) [1361] Korn shell course - (2007-09-22)
Some other Articles
Python in an afternoon - a lecture for experienced programmersWestonbirt Arboretum PostcodeEquality, sameness and identity - PythonString, Integer, Array, Associative Array - ksh variablesFarewell, Newcastle to Stavanger, Haugsund and BergenBe careful of misreading server statisticsA date for your diary - 16th July 2008The old sayings are the best (FSB)
|
4759 posts, page by page
Link to page ... 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96 at 50 posts per page
This is a page archived from The Horse's Mouth at
http://www.wellho.net/horse/ -
the diary and writings of Graham Ellis.
Every attempt was made to provide current information at the time the
page was written, but things do move forward in our business - new software
releases, price changes, new techniques. Please check back via
our main site for current courses,
prices, versions, etc - any mention of a price in "The Horse's Mouth"
cannot be taken as an offer to supply at that price.
Link to Ezine home page (for reading).
Link to Blogging home page (to add comments).
|
|