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SmallBASIC | LBOUND
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Returns the lower bound of 'array'.
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LBOUND (array [, dim])
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<
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LBOUND
</
h1
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<
blockquote
>
lb = LBOUND (array [, dim])
</
blockquote
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<
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class
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<
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>
Returns the lower bound
<
code
>
lb
</
code
>
of an array
<
code
>
array
</
code
>
.
<
code
>
dim
</
code
>
can be used to specify, at which
dimension the lower bound should be returned if
<
code
>
array
</
code
>
is a
multi-dimensional array. If
<
code
>
dim
</
code
>
is not used the lower bound
of the first dimension will be returned.
</
p
>
<
p
>
See UBOUND for upper bound of an array.
</
p
>
<
h3
id
="
example-1-lower-bound-of-one-dimensional-arrays
"
>
Example 1:
Lower bound of one-dimensional arrays
</
h3
>
<
div
class
="
sourceCode
"
id
="
cb1
"
>
<
pre
class
="
sourceCode smallbasic
"
>
<
code
class
="
sourceCode smallbasic
"
>
<
span
id
="
cb1-1
"
>
<
a
href
="
#cb1-1
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
dt
"
>
dim
</
span
>
A(
<
span
class
="
dv
"
>
5
</
span
>
)
</
span
>
<
span
id
="
cb1-2
"
>
<
a
href
="
#cb1-2
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
dt
"
>
dim
</
span
>
B(
<
span
class
="
dv
"
>
5
</
span
>
<
span
class
="
kw
"
>
to
</
span
>
<
span
class
="
dv
"
>
10
</
span
>
)
</
span
>
<
span
id
="
cb1-3
"
>
<
a
href
="
#cb1-3
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
</
span
>
<
span
id
="
cb1-4
"
>
<
a
href
="
#cb1-4
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
kw
"
>
print
</
span
>
<
span
class
="
fu
"
>
lbound
</
span
>
(A)
<
span
class
="
co
"
>
' Output: 0
</
span
>
</
span
>
<
span
id
="
cb1-5
"
>
<
a
href
="
#cb1-5
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
kw
"
>
print
</
span
>
<
span
class
="
fu
"
>
lbound
</
span
>
(B)
<
span
class
="
co
"
>
' Output: 5
</
span
>
</
span
>
</
code
>
</
pre
>
</
div
>
<
h3
id
="
example-2-lower-bound-of-multi-dimensional-arrays
"
>
Example 2:
Lower bound of multi-dimensional arrays
</
h3
>
<
div
class
="
sourceCode
"
id
="
cb2
"
>
<
pre
class
="
sourceCode smallbasic
"
>
<
code
class
="
sourceCode smallbasic
"
>
<
span
id
="
cb2-1
"
>
<
a
href
="
#cb2-1
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
dt
"
>
dim
</
span
>
A(
<
span
class
="
dv
"
>
5
</
span
>
,
<
span
class
="
dv
"
>
6
</
span
>
,
<
span
class
="
dv
"
>
7
</
span
>
)
</
span
>
<
span
id
="
cb2-2
"
>
<
a
href
="
#cb2-2
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
dt
"
>
dim
</
span
>
B(
<
span
class
="
dv
"
>
5
</
span
>
<
span
class
="
kw
"
>
to
</
span
>
<
span
class
="
dv
"
>
10
</
span
>
,
<
span
class
="
dv
"
>
7
</
span
>
<
span
class
="
kw
"
>
to
</
span
>
<
span
class
="
dv
"
>
12
</
span
>
,
<
span
class
="
dv
"
>
9
</
span
>
<
span
class
="
kw
"
>
to
</
span
>
<
span
class
="
dv
"
>
14
</
span
>
)
</
span
>
<
span
id
="
cb2-3
"
>
<
a
href
="
#cb2-3
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
</
span
>
<
span
id
="
cb2-4
"
>
<
a
href
="
#cb2-4
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
kw
"
>
print
</
span
>
<
span
class
="
fu
"
>
lbound
</
span
>
(A,
<
span
class
="
dv
"
>
2
</
span
>
)
<
span
class
="
co
"
>
' Output: 0
</
span
>
</
span
>
<
span
id
="
cb2-5
"
>
<
a
href
="
#cb2-5
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
kw
"
>
print
</
span
>
<
span
class
="
fu
"
>
lbound
</
span
>
(B,
<
span
class
="
dv
"
>
2
</
span
>
)
<
span
class
="
co
"
>
' Output: 7
</
span
>
</
span
>
</
code
>
</
pre
>
</
div
>
<
h3
id
="
example-3-using-option-base-1
"
>
Example 3: Using option base
1
</
h3
>
<
div
class
="
sourceCode
"
id
="
cb3
"
>
<
pre
class
="
sourceCode smallbasic
"
>
<
code
class
="
sourceCode smallbasic
"
>
<
span
id
="
cb3-1
"
>
<
a
href
="
#cb3-1
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
pp
"
>
option
</
span
>
base
<
span
class
="
dv
"
>
1
</
span
>
</
span
>
<
span
id
="
cb3-2
"
>
<
a
href
="
#cb3-2
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
</
span
>
<
span
id
="
cb3-3
"
>
<
a
href
="
#cb3-3
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
dt
"
>
dim
</
span
>
A(
<
span
class
="
dv
"
>
5
</
span
>
)
</
span
>
<
span
id
="
cb3-4
"
>
<
a
href
="
#cb3-4
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
dt
"
>
dim
</
span
>
B(
<
span
class
="
dv
"
>
5
</
span
>
<
span
class
="
kw
"
>
to
</
span
>
<
span
class
="
dv
"
>
10
</
span
>
)
</
span
>
<
span
id
="
cb3-5
"
>
<
a
href
="
#cb3-5
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
</
span
>
<
span
id
="
cb3-6
"
>
<
a
href
="
#cb3-6
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
kw
"
>
print
</
span
>
<
span
class
="
fu
"
>
lbound
</
span
>
(A)
<
span
class
="
co
"
>
' Output: 1
</
span
>
</
span
>
<
span
id
="
cb3-7
"
>
<
a
href
="
#cb3-7
"
aria-hidden
="
true
"
tabindex
="
-1
"
>
</
a
>
<
span
class
="
kw
"
>
print
</
span
>
<
span
class
="
fu
"
>
lbound
</
span
>
(B)
<
span
class
="
co
"
>
' Output: 5
</
span
>
</
span
>
</
code
>
</
pre
>
</
div
>
<
div
class
="
lavenderBox
"
>
<
div
class
="
header
"
>
Code samples using LBOUND
</
div
>
<
div
class
="
linklist
"
>
<
a
target
="
_github
"
href
="
https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/getting started/006 arrays+.bas
"
>
006 arrays+.bas
</
a
>
<
a
target
="
_github
"
href
="
https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/units/base64.bas
"
>
base64.bas
</
a
>
</
div
>
</
div
>
<
div
class
="
lavenderBox
"
>
<
div
class
="
header
"
>
Data
</
div
>
<
div
class
="
linklist
"
>
<
a
href
="
/reference/581.html
"
>
APPEND
</
a
>
<
a
href
="
/reference/1432.html
"
>
ARRAY
</
a
>
<
a
href
="
/reference/569.html
"
>
DATA
</
a
>
<
a
href
="
/reference/542.html
"
>
DELETE
</
a
>
<
a
href
="
/reference/570.html
"
>
DIM
</
a
>
<
a
href
="
/reference/543.html
"
>
EMPTY
</
a
>
<
a
href
="
/reference/571.html
"
>
ERASE
</
a
>
<
a
href
="
/reference/544.html
"
>
INSERT
</
a
>
<
a
href
="
/reference/555.html
"
>
ISARRAY
</
a
>
<
a
href
="
/reference/556.html
"
>
ISDIR
</
a
>
<
a
href
="
/reference/557.html
"
>
ISFILE
</
a
>
<
a
href
="
/reference/558.html
"
>
ISLINK
</
a
>
<
a
href
="
/reference/1430.html
"
>
ISMAP
</
a
>
<
a
href
="
/reference/559.html
"
>
ISNUMBER
</
a
>
<
a
href
="
/reference/560.html
"
>
ISSTRING
</
a
>
<
a
href
="
/reference/561.html
"
>
<
strong
>
LBOUND
</
strong
>
</
a
>
<
a
href
="
/reference/562.html
"
>
LEN
</
a
>
<
a
href
="
/reference/546.html
"
>
READ
</
a
>
<
a
href
="
/reference/547.html
"
>
REDIM
</
a
>
<
a
href
="
/reference/572.html
"
>
RESTORE
</
a
>
<
a
href
="
/reference/548.html
"
>
SEARCH
</
a
>
<
a
href
="
/reference/549.html
"
>
SORT
</
a
>
<
a
href
="
/reference/550.html
"
>
SWAP
</
a
>
<
a
href
="
/reference/567.html
"
>
UBOUND
</
a
>
</
div
>
</
div
>
</
div
>
<
div
class
="
pagefooter
"
>
This page was last edited on Mon, 19 May 2025 20:44:43 +0930
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