ref: 9eb192f586316361a78cf399b410716ee20ed132
dir: /sys/src/cmd/upas/fs/extra/paw.c/
#include<u.h> #include<libc.h> #include<bio.h> void main(void) { char *f[10], *s; vlong sum; Biobuf b; sum = 0; Binit(&b, 0, OREAD); while(s = Brdstr(&b, '\n', 1)){ if(getfields(s, f, nelem(f), 1, " ") > 2) sum += strtoul(f[2], 0, 0); free(s); } Bterm(&b); print("%lld\n", sum); exits(""); }