Bubblesort (script)

script name suggestion: bubblesort

counter set 0
setvariable % %

setvariable presort {

paramloop:
if_1 goto saveparam
goto sort
saveparam:
setvariable a%c% %1
counter add 1
setvariable presort %presort% %1
shift
goto paramloop

sort:
setvariable presort %presort% }
setvariable arraylen %c
setvariable i %arraylen

looptest_i:
match end_i -
match loop_i valid flag
put set %i
matchwait
loop_i:

setvariable j %arraylen
looptest_j:
match end_j -
match loop_j valid flag
put set %j
matchwait
loop_j:
setvariable ai %%a%i
setvariable aj %%a%j

counter set %ai
counter subtract %aj
match j_gt_i -
match j_eq_i 0
match j_lt_i valid flag
put set %c
matchwait

j_gt_i:

echo ***SWAP  %ai  and  %aj

setvariable temp %ai
setvariable a%i% %aj
setvariable a%j% %temp
deletevariable temp
j_eq_i:
j_lt_i:

deletevariable ai
deletevariable aj

counter set %j
counter subtract 1
setvariable j %c
goto looptest_j
end_j:
deletevariable j
counter set %i
counter subtract 1
setvariable i %c
goto looptest_i
end_i:
deletevariable i

setvariable i %arraylen
setvariable result }
looptest_i2:
match end_i2 -1
match loop_i2 valid flag
put set %i
matchwait
loop_i2:

setvariable iptr %%a%i%
setvariable result %iptr% %result%
deletevariable a%i%
deletevariable iptr

counter set %i
counter subtract 1
setvariable i %c
goto looptest_i2
end_i2:
setvariable result { %result%
echo *** %presort ==> %result

deletevariable presort
deletevariable result
deletevariable %
deletevariable arraylen
deletevariable i
deletevariable j