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Nasal library/io: Difference between revisions
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→seek(): Add example
Red Leader (talk | contribs) (→seek(): More doc) |
Red Leader (talk | contribs) (→seek(): Add example) |
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|param3 = whence | |param3 = whence | ||
|param3text = Specifies position to set the offset from. Must be one of {{func link|SEEK_SET}} (beginning of file), {{func link|SEEK_END}} (end of file), or {{func link|SEEK_CUR}} (current pointer position). | |param3text = Specifies position to set the offset from. Must be one of {{func link|SEEK_SET}} (beginning of file), {{func link|SEEK_END}} (end of file), or {{func link|SEEK_CUR}} (current pointer position). | ||
|example1 = | |example1 = var path = getprop("/sim/fg-root") ~ '/Nasal/geo.nas'; | ||
var file = io.open(path, "r"); # open file | |||
var len = 15; | |||
var buf = bits.buf(len); | |||
io.seek(file, 122, io.SEEK_SET); # set to the desired position | |||
io.read(file, buf, len); # read file | |||
print(buf); # prints "geo.Coord class" | |||
io.close(file); # close file | |||
}} | }} | ||