07-11-2013
put NULL in double quotes.. and if you are equating string better use = than -eq
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Hello
I want to check for NULL variable..
but this is not working..please help
thanks in advance
esham (2 Replies)
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Hi,
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korn shell
If
then
update_smartcare_user_password "$u_id"
else
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fi
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hi,
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Code:
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Hi Champs!!!
im a newbie in unix, need ur expert help for my problem...
I need to search if there are any "NULL" entries in the string
String without Null
Str1: 203652|1000003653|tellt|RUPV|4649|1|07/28/2011 01:56:12
String with Null (RUPV is removed)
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LEARN ABOUT OPENDARWIN
tcl_getdoublefromobj
Tcl_DoubleObj(3) Tcl Library Procedures Tcl_DoubleObj(3)
__________________________________________________________________________________________________________________________________________________
NAME
Tcl_NewDoubleObj, Tcl_SetDoubleObj, Tcl_GetDoubleFromObj - manipulate Tcl objects as floating-point values
SYNOPSIS
#include <tcl.h>
Tcl_Obj *
Tcl_NewDoubleObj(doubleValue)
Tcl_SetDoubleObj(objPtr, doubleValue)
int
Tcl_GetDoubleFromObj(interp, objPtr, doublePtr)
ARGUMENTS
double doubleValue (in) A double-precision floating point value used to initialize or set a double object.
Tcl_Obj *objPtr (in/out) For Tcl_SetDoubleObj, this points to the object to be converted to double type. For Tcl_GetDoubleFro-
mObj, this refers to the object from which to get a double value; if objPtr does not already point to
a double object, an attempt will be made to convert it to one.
Tcl_Interp *interp (in/out) If an error occurs during conversion, an error message is left in the interpreter's result object
unless interp is NULL.
double *doublePtr (out) Points to place to store the double value obtained from objPtr.
_________________________________________________________________
DESCRIPTION
These procedures are used to create, modify, and read double Tcl objects from C code. Tcl_NewDoubleObj and Tcl_SetDoubleObj will create a
new object of double type or modify an existing object to have double type. Both of these procedures set the object to have the double-
precision floating point value given by doubleValue; Tcl_NewDoubleObj returns a pointer to a newly created object with reference count
zero. Both procedures set the object's type to be double and assign the double value to the object's internal representation doubleValue
member. Tcl_SetDoubleObj invalidates any old string representation and, if the object is not already a double object, frees any old inter-
nal representation.
Tcl_GetDoubleFromObj attempts to return a double value from the Tcl object objPtr. If the object is not already a double object, it will
attempt to convert it to one. If an error occurs during conversion, it returns TCL_ERROR and leaves an error message in the interpreter's
result object unless interp is NULL. Otherwise, it returns TCL_OK and stores the double value in the address given by doublePtr. If the
object is not already a double object, the conversion will free any old internal representation.
SEE ALSO
Tcl_NewObj, Tcl_DecrRefCount, Tcl_IncrRefCount, Tcl_GetObjResult
KEYWORDS
double, double object, double type, internal representation, object, object type, string representation
Tcl 8.0 Tcl_DoubleObj(3)