/* vi: set sw=4 ts=4: * * wc.c - Word count * * Copyright 2011 Rob Landley <rob@landley.net> * * See http://opengroup.org/onlinepubs/9699919799/utilities/wc.html USE_WC(NEWTOY(wc, "cwl", TOYFLAG_USR|TOYFLAG_BIN)) config WC bool "wc" default y help usage: wc -lwc [FILE...] Count lines, words, and characters in input. -l show lines -w show words -c show characters By default outputs lines, words, characters, and filename for each argument (or from stdin if none). */ #include "toys.h" static void do_wc(int fd, char *name) { int i, len; unsigned long word=0, lengths[]={0,0,0}; for (;;) { len = read(fd, toybuf, sizeof(toybuf)); if (len<0) { perror_msg("%s",name); toys.exitval = EXIT_FAILURE; } if (len<1) break; for (i=0; i<len; i++) { if (toybuf[i]==10) lengths[0]++; if (isspace(toybuf[i])) word=0; else { if (!word) lengths[1]++; word=1; } lengths[2]++; } } for (i=0; i<3; i++) if (!toys.optflags || (toys.optflags&(1<<i))) printf("%ld ", lengths[i]); printf("%s\n", (!toys.optflags && strcmp(name,"-")) ? name : ""); } void wc_main(void) { loopfiles(toys.optargs, do_wc); }