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--- jvs:fscan:manual:chapter4 [2021/12/15 22:15]
voyvodic
+++ jvs:fscan:manual:chapter4 [2023/02/23 18:43] (current)
@@ Line 13: / Line 13: @@
 ==== Accessing data variables ====
 In general, data variable values can be accessed by specifying the name of the variable, preceded by the '$' character (or '_' character to make command-line scripting easier).  To get the status of a variable, substitute '?' for '$'; the status is -1 if the named variable is not defined, it is 0 if it is defined but empty, and it is a positive value (the size of the variable) if it is defined and not empty.
-For example:\\
-  * -echo Window: $thiswin WorkSpace $wsnum         ; display name and workspace of current active window
-  * -echo Varb: ?curdir ?thiswin ?myvarb            ; test whether these variables are defined
 Variable operators:
   * $varbname - the value of the named variable (_varbname works the same)
   * ?varbname - the status of the named variable (0=undefined, 1=defined)
+For example:\\
+  * -echo Window: $thiswin WorkSpace $wsnum         ; display name and workspace of current active window
+  * -echo Varb: ?curdir ?thiswin ?myvarb            ; test whether these variables are defined
 The '$' character is also used to identify fScan special functions of the form: $funcname(). Examples are:

Brain Imaging & Analysis Center