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assigning integer and string value to same variable one by one [message #93013]

Sat, 09 April 2016 04:34

Sapna Mishra
Messages: 66
Registered: December 2015

Member

Pro tt

for i=0,25 do begin
Print,'By seeing mplot give obj_col:'
Read,obj_col
wait,1

if (STRMATCH(datatype(obj_col), 'STR', /FOLD_CASE) EQ 1) then i=i+1

print,i
endfor
return
end

IDL> .compile tt.pro
% Compiled module: TT.
IDL> tt
By seeing mplot give obj_col:
: 1
% Compiled module: DATATYPE.
0
By seeing mplot give obj_col:
: 'q'
% READ: Input conversion error. Unit: 0, File: <stdin>
% Execution halted at: TT 5 /home/cs/dN_dz/Ana/tt.pro
% $MAIN$
IDL>

Can't I give integer and string value to same variable if I want to jump on loop if the value of that input variable is a string??
Any way out?

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[Message index]

		assigning integer and string value to same variable one by one By: Sapna Mishra on Sat, 09 April 2016 04:34
		Re: assigning integer and string value to same variable one by one By: wlandsman on Sat, 09 April 2016 12:00

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