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#!/usr/bin/ucode
import { stdin, open, error } from 'fs';
if (length(ARGV) == 0 && stdin.isatty()) {
warn("usage: b64decode [stdin|path]\n");
exit(1);
}
let fp = stdin;
let source = ARGV[0];
if (source) {
fp = open(source);
if (!fp) {
warn('b64decode: unable to open ${source}: ${error()}\n');
exit(1);
}
}
print(b64dec(fp.read("all")));
fp.close();
exit(0);
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