Description
Prepend the value into the front of array.
New element will be the 0th element. Number of elements in array increases by 1.
Rest of the elements is moved up.
If non-array variable is specified, the length of the array will be two elements of which the new element will be 0th and the original element if the 1st.
The combination of unshift and pop will enable easy implementation of FIFO queue. .
Syntax
ret = unshift(array,value)
Parameters
| array | : | Array to unshift an element |
| value | : | Element to be added |
Example
//[result example]
//
// --------------------------------
// [ sample1 ]
//
// a_array[0] => elem1
// a_array[1] => elem2
// a_array[2] => elem3
//
// *** unshift(a_array, 'elem0') **
//
// a_array[0] => elem0
// a_array[1] => elem1
// a_array[2] => elem2
// a_array[3] => elem3
//
//
// [ sample2 ]
//
// s_str = 'aaa'
//
// *** unshift(s_str, 'bbb') ***
//
// s_str[0] => bbb
// s_str[1] => aaa
// --------------------------------
//
run()
exit(0)
function run()
local a_array = { 'elem1', 'elem2', 'elem3' }
local s_str = 'aaa'
local i
print("--------------------------------", stdout)
print("[ sample1 ]\n", stdout)
loop i=0; i<count(a_array); i++
print("a_array[" & i & "] => " & a_array[i], stdout)
endloop
print("\n*** unshift(a_array, 'elem0') ***\n", stdout)
// unshift
unshift(a_array, 'elem0')
loop i=0; i<count(a_array); i++
print("a_array[" & i & "] => " & a_array[i], stdout)
endloop
print("\n", stdout)
print("[ sample2 ]\n", stdout)
print("s_str = 'aaa'", stdout)
print("\n*** unshift(s_str, 'bbb') ***\n", stdout)
// unshift
unshift(s_str, 'bbb')
loop i=0; i<count(s_str); i++
print("s_str[" & i & "] => " & s_str[i], stdout)
endloop
print("--------------------------------", stdout)
endfunction
Description
Converts character string to upper-case letters
Syntax
ret = upper(string)
Parameters
Return Value
| string | : | Converted character string | |
System Return Value
Example
//[result example]
//
// INSIGHT TECHNOLOGY
//
run()
exit
function run()
local a = 'insight technology'
print(upper(a),stdout)
endfunction
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