What is the meaning of "-s" option in "if" statement? Post: 302634413

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ns_for

ns_lctl(3aolserver)					    AOLserver Built-In Commands 				       ns_lctl(3aolserver)

__________________________________________________________________________________________________________________________________________________

NAME

       ns_for, ns_foreach, ns_while, ns_lctl - Replacements for standard Tcl loop commands which enable monitoring and control

SYNOPSIS

       ns_for start test next body
       ns_foreach varname list body
       ns_foreach varlist1 list1 ?varlist2 list2 ...? body
       ns_while test body
       ns_lctl cancel id
       ns_lctl eval id script
       ns_lctl info id
       ns_lctl install command
       ns_lctl list
       ns_lctl pause id
       ns_lctl result id
_________________________________________________________________

DESCRIPTION

       The  ns_for, ns_foreach, and ns_while commands are replacements for cooresponding Tcl commands with the additional capability of monitoring
       and control through the ns_lctl command.

       ns_for start test next body
	      See the for(n) man page for usage.

       ns_foreach start test next body
	      See the foreach(n) man page for usage.

       ns_foreach varlist1 list1 ?varlist2 list2 ...? body
	      See the foreach(n) man page for usage.

       ns_while test body
	      See the while(n) man page for usage.

       ns_lctl cancel id
	      Mark the given loop to cancel at the next iteration, resulting in the loop returning with TCL_ERROR.

       ns_lctl eval id script

       ns_lctl info id

       ns_lctl install command

       ns_lctl list

       ns_lctl pause id

       ns_lctl result id

SEE ALSO

       for(n), foreach(n), while(n)

KEYWORDS

       threads, iteration, list, looping, cancel

AOLserver								4.5						       ns_lctl(3aolserver)