:	TO RUN THIS FILE -> TYPE: @ 1-30-08.pro 
;	AT THE IDL PROMPT
;
;
;
; IDL Version 6.3 (linux x86 m32)
; Journal File for phiggins@phobos
; Working directory: /home/phiggins/public_html/idl_decal
; Date: Sun Feb  3 14:46:24 2008
 
;OPERATORS
print,123+65453
;       65576
print,float(123+65453)
;      65576.0
print,float(123-65453)
;     -65330.0
print,123/65453
;           0
print,123/65453.
;   0.00187921
print,34^32
;       0
print,34D^32
;   1.0170103e+49
;STRINGS
print,'Hello, word!'
;Hello, word!
print,23849
;   23849
print,string(23849)
;   23849
print,strcompress(23849,/remo)
;23849
x=blah
; % Variable is undefined: BLAH.
x='blah'
y='lalalala'
print,x+y
;blahlalalala
print,x-y
; % Operation illegal with strings.
x='hello_my_name_is_Paul_.'
print,x
;hello_my_name_is_Paul_.
y=strsplit(x,'_',/extract)
print,y
;hello my name is Paul .
help,y
z=strjoin(y,' ')
print,z
;hello my name is Paul .
help,z
;LOOPS
x=0
for i=0,10 do x=x+1
print,x
;      11
for i=0,10 do begin & x=x+1 & print,x & endif
; % Type of end does not match statement (ENDFOR expected).
for i=0,10 do begin & x=x+1 & print,x & endfor
;      12
;      13
;      14
;      15
;      16
;      17
;      18
;      19
;      20
;      21
;      22
x=0
while x lt 10 x=x+1
; % Syntax error.
while x lt 10 then x=x+1
; % Syntax error.
while x lt 10 do x=x+1
print,x
;      10
while x le 10 do x=x+1
print,x
;      11
while x le 10 do x=x+2
print,x
;      11
while x lt 10 do x=x+2
print,x
;      11
;LOGIC
x=3
print,x gt 5
;   0
print,x lt 5
;   1
if x gt 5 then print,'hello' else print,'goodbye'
;goodbye
if x lt 5 then print,'hello' else print,'goodbye'
;hello
print,3>5
;       5
print,3<5
;       3