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Top Forums UNIX for Advanced & Expert Users Returning a value to a calling script Post 302205853 by Franklin52 on Monday 16th of June 2008 12:10:50 PM
You can do something like:

Code:
#master.sh
fileExist=$(./checkForFile.sh)
echo $fileExist

Code:
#checkForFile.sh (called from within master.sh)
fileExist=1
echo $fileExist

Regards
 
Test Your Knowledge in Computers #593
Difficulty: Medium
C is a statically typed language so variables must be declared along with their types before using them.
True or False?

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Tcl_AllowExceptions(3tcl)				      Tcl Library Procedures					 Tcl_AllowExceptions(3tcl)

__________________________________________________________________________________________________________________________________________________

NAME
Tcl_AllowExceptions - allow all exceptions in next script evaluation SYNOPSIS
#include <tcl.h> Tcl_AllowExceptions(interp) ARGUMENTS
Tcl_Interp *interp (in) Interpreter in which script will be evaluated. _________________________________________________________________ DESCRIPTION
If a script is evaluated at top-level (i.e. no other scripts are pending evaluation when the script is invoked), and if the script termi- nates with a completion code other than TCL_OK, TCL_ERROR or TCL_RETURN, then Tcl normally converts this into a TCL_ERROR return with an appropriate message. The particular script evaluation procedures of Tcl that act in the manner are Tcl_EvalObjEx, Tcl_EvalObjv, Tcl_Eval, Tcl_EvalEx, Tcl_GlobalEval, Tcl_GlobalEvalObj, Tcl_VarEval and Tcl_VarEvalVA. However, if Tcl_AllowExceptions is invoked immediately before calling one of those a procedures, then arbitrary completion codes are per- mitted from the script, and they are returned without modification. This is useful in cases where the caller can deal with exceptions such as TCL_BREAK or TCL_CONTINUE in a meaningful way. KEYWORDS
continue, break, exception, interpreter Tcl 7.4 Tcl_AllowExceptions(3tcl)

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