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Operating Systems Solaris Solaris scripting problem with ksh88 Post 302916516 by Perderabo on Wednesday 10th of September 2014 11:14:11 AM
Old 09-10-2014
I would turn MATRICE into an array with one character per array element. Then you just pick a random index into the array. This will work with all versions of ksh and it will be very fast.
 

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set(n)							       Tcl Built-In Commands							    set(n)

__________________________________________________________________________________________________________________________________________________

NAME
set - Read and write variables SYNOPSIS
set varName ?value? _________________________________________________________________ DESCRIPTION
Returns the value of variable varName. If value is specified, then set the value of varName to value, creating a new variable if one does not already exist, and return its value. If varName contains an open parenthesis and ends with a close parenthesis, then it refers to an array element: the characters before the first open parenthesis are the name of the array, and the characters between the parentheses are the index within the array. Otherwise varName refers to a scalar variable. If varName includes namespace qualifiers (in the array name if it refers to an array element), or if varName is unqualified (does not include the names of any containing namespaces) but no procedure is active, varName refers to a namespace variable resolved according to the rules described under NAME RESOLUTION in the namespace manual page. If a procedure is active and varName is unqualified, then varName refers to a parameter or local variable of the procedure, unless varName was declared to resolve differently through one of the global, variable or upvar commands. EXAMPLES
Store a random number in the variable r: set r [expr {rand()}] Store a short message in an array element: set anAry(msg) "Hello, World!" Store a short message in an array element specified by a variable: set elemName "msg" set anAry($elemName) "Hello, World!" Copy a value into the variable out from a variable whose name is stored in the vbl (note that it is often easier to use arrays in practice instead of doing double-dereferencing): set in0 "small random" set in1 "large random" set vbl in[expr {rand() >= 0.5}] set out [set $vbl] SEE ALSO
expr(n), global(n), namespace(n), proc(n), trace(n), unset(n), upvar(n), variable(n) KEYWORDS
read, write, variable Tcl set(n)
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