gm_strim.m

来自「算断裂的」· M 代码 · 共 12 行

function y = gm_strim(x);
% gm_strim: trim spaces off the two ends of a string
% calling format: y = gm_strim(x)

pos = isspace(x);
m = find(~pos);
if (length(m) == 0)
 y = '';
else
 y = x(m(1):m(length(m)));
end