IRAF help page for package language, program next
from NOAO
next -- start the next iteration of a for or while loopUSAGEDESCRIPTIONEXAMPLESSEE ALSO
next -- start the next iteration of a for or while loop
USAGE
next
DESCRIPTION
The next statement begins the next iteration of the loop construct
in which it is enclosed, whithout executing any of the statements remaining
before the end of the loop.
EXAMPLES
1. Sum the pixels in a two dimensional array. Skip any negative valued pixels.
for (i=1; i < NCOLS; i+=1) {
for (j=1; j < NLINES; j+=1) {
if (pixel[i,j] < 0)
next
total += pixel[i,j]
}
}
SEE ALSO
SEE ALSO,
break,
while,
for,
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