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Full Discussion: another question?
Top Forums UNIX for Dummies Questions & Answers another question? Post 45037 by jayakhanna on Sunday 14th of December 2003 02:06:10 AM
Old 12-14-2003
Whatever the script be, to me the answer lies with the person who writes it.

It all depends on the way you write the script, if you are using the while loop and looping for certain condition to be met, in your case it is Y, y, N, n, until that character is given you will loop forever,

if you are using "if" statements then if your condition in the if statement is not met, it will not get into the if part at all and execution will continue to the next step after if.

So all boils down to the way one write his/her script.

Cheers
JK
 

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

__________________________________________________________________________________________________________________________________________________

NAME
for - ``For'' loop SYNOPSIS
for start test next body _________________________________________________________________ DESCRIPTION
For is a looping command, similar in structure to the C for statement. The start, next, and body arguments must be Tcl command strings, and test is an expression string. The for command first invokes the Tcl interpreter to execute start. Then it repeatedly evaluates test as an expression; if the result is non-zero it invokes the Tcl interpreter on body, then invokes the Tcl interpreter on next, then repeats the loop. The command terminates when test evaluates to 0. If a continue command is invoked within body then any remaining commands in the current execution of body are skipped; processing continues by invoking the Tcl interpreter on next, then evaluating test, and so on. If a break command is invoked within body or next, then the for command will return immediately. The operation of break and continue are similar to the corresponding statements in C. For returns an empty string. Note: test should almost always be enclosed in braces. If not, variable substitutions will be made before the for command starts execut- ing, which means that variable changes made by the loop body will not be considered in the expression. This is likely to result in an infinite loop. If test is enclosed in braces, variable substitutions are delayed until the expression is evaluated (before each loop iter- ation), so changes in the variables will be visible. For an example, try the following script with and without the braces around $x<10: for {set x 0} {$x<10} {incr x} { puts "x is $x" } SEE ALSO
break, continue, foreach, while KEYWORDS
for, iteration, looping Tcl for(n)
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