From: Ben Gras Date: Wed, 9 Jun 2010 12:17:42 +0000 (+0000) Subject: commands, man: remove minix find X-Git-Tag: v3.1.8~471 X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/man.dnssec-keyfromlabel.html?a=commitdiff_plain;h=13d50be356ccfa23b0299bdde87c3951e901fab0;p=minix.git commands, man: remove minix find --- diff --git a/commands/Makefile b/commands/Makefile index b0307a8c1..2ec1a6c36 100644 --- a/commands/Makefile +++ b/commands/Makefile @@ -11,7 +11,7 @@ SUBDIR= aal add_route adduser advent arp ash at autil awk \ dd de decomp16 DESCRIBE dev2name devsize df dhcpd \ dhrystone diff dirname dis88 du dumpcore easypack \ ed eject elle elvis env expand factor fgrep file \ - find finger fingerd fix fold format fortune fsck \ + finger fingerd fix fold format fortune fsck \ fsck1 ftp101 ftpd200 getty gomoku grep head host \ hostaddr id ifconfig ifdef indent install \ intr ipcrm ipcs irdpd isoread join kill last leave \ diff --git a/commands/find/Makefile b/commands/find/Makefile deleted file mode 100644 index c03849c0d..000000000 --- a/commands/find/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -PROG= find -MAN= - -.include diff --git a/commands/find/find.c b/commands/find/find.c deleted file mode 100644 index d0072c7ed..000000000 --- a/commands/find/find.c +++ /dev/null @@ -1,927 +0,0 @@ -/* find - look for files satisfying a predicate Author: E. Baalbergen */ - -/* Original author: Erik Baalbergen; POSIX compliant version: Bert Laverman */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/*######################## DEFINITIONS ##############################*/ - -#ifdef S_IFLNK -#define LSTAT lstat -#else -#define LSTAT stat -#endif - -#define SHELL "/bin/sh" -#define MAXARG 256 /* maximum length for an argv for -exec */ -#define BSIZE 512 /* POSIX wants 512 byte blocks */ -#define SECS_PER_DAY (24L*60L*60L) /* check your planet */ - -#define OP_NAME 1 /* match name */ -#define OP_PERM 2 /* check file permission bits */ -#define OP_TYPE 3 /* check file type bits */ -#define OP_LINKS 4 /* check link count */ -#define OP_USER 5 /* check owner */ -#define OP_GROUP 6 /* check group ownership */ -#define OP_SIZE 7 /* check size, blocks or bytes */ -#define OP_SIZEC 8 /* this is a fake for -size with 'c' */ -#define OP_INUM 9 /* compare inode number */ -#define OP_ATIME 10 /* check last access time */ -#define OP_CTIME 11 /* check creation time */ -#define OP_MTIME 12 /* check last modification time */ -#define OP_EXEC 13 /* execute command */ -#define OP_OK 14 /* execute with confirmation */ -#define OP_PRINT 15 /* print name */ -#define OP_PRINT0 16 /* print name null terminated */ -#define OP_NEWER 17 /* compare modification times */ -#define OP_CNEWER 18 /* compare modification times */ -#define OP_AND 19 /* logical and (short circuit) */ -#define OP_OR 20 /* logical or (short circuit) */ -#define OP_XDEV 21 /* do not cross file-system boundaries */ -#define OP_DEPTH 22 /* descend directory before testing */ -#define OP_PRUNE 23 /* don't descend into current directory */ -#define OP_NOUSER 24 /* check validity of user id */ -#define OP_NOGROUP 25 /* check validity of group id */ -#define LPAR 26 /* left parenthesis */ -#define RPAR 27 /* right parenthesis */ -#define NOT 28 /* logical not */ - -/* Some return values: */ -#define EOI -1 /* end of expression */ -#define NONE 0 /* not a valid predicate */ - -/* For -perm with symbolic modes: */ -#define ISWHO(c) ((c == 'u') || (c == 'g') || (c == 'o') || (c == 'a')) -#define ISOPER(c) ((c == '-') || (c == '=') || (c == '+')) -#define ISMODE(c) ((c == 'r') || (c == 'w') || (c == 'x') || \ - (c == 's') || (c == 't')) -#define MUSER 1 -#define MGROUP 2 -#define MOTHERS 4 - - -struct exec { - int e_cnt; - char *e_vec[MAXARG]; -}; - -struct node { - int n_type; /* any OP_ or NOT */ - union { - char *n_str; - struct { - long n_val; - int n_sign; - } n_int; - struct exec *n_exec; - struct { - struct node *n_left, *n_right; - } n_opnd; - } n_info; -}; - -struct oper { - char *op_str; - int op_val; -} ops[] = { - - { - "name", OP_NAME - }, - { - "perm", OP_PERM - }, - { - "type", OP_TYPE - }, - { - "links", OP_LINKS - }, - { - "user", OP_USER - }, - { - "group", OP_GROUP - }, - { - "size", OP_SIZE - }, - { - "inum", OP_INUM - }, - { - "atime", OP_ATIME - }, - { - "ctime", OP_CTIME - }, - { - "mtime", OP_MTIME - }, - { - "exec", OP_EXEC - }, - { - "ok", OP_OK - }, - { - "print", OP_PRINT - }, - { - "print0", OP_PRINT0 - }, - { - "newer", OP_NEWER - }, - { - "cnewer", OP_CNEWER - }, - { - "a", OP_AND - }, - { - "o", OP_OR - }, - { - "xdev", OP_XDEV - }, - { - "depth", OP_DEPTH - }, - { - "prune", OP_PRUNE - }, - { - "nouser", OP_NOUSER - }, - { - "nogroup", OP_NOGROUP - }, - { - 0, 0 - } -}; - - -char **ipp; /* pointer to next argument during parsing */ -char *prog; /* program name (== argv [0]) */ -char *epath; /* value of PATH environment string */ -long current_time; /* for computing age */ -int tty; /* fd for /dev/tty when using -ok */ -int xdev_flag = 0; /* cross device boundaries? */ -int devnr; /* device nr of first inode */ -int depth_flag = 0; /* descend before check? */ -int prune_here; /* This is Baaaad! Don't ever do this again! */ -int um; /* current umask() */ -int needprint = 1; /* implicit -print needed? */ - - -/* The prototypes: */ -_PROTOTYPE(int main, (int argc, char **argv)); -_PROTOTYPE(char *Malloc, (int n)); -_PROTOTYPE(char *Salloc, (char *s)); -_PROTOTYPE(void find, (char *path, struct node * pred, char *last)); -_PROTOTYPE(int check, (char *path, struct stat * st, struct node * n, char *last)); -_PROTOTYPE(int ichk, (long val, struct node * n)); -_PROTOTYPE(int lex, (char *str)); -_PROTOTYPE(struct node * newnode, (int t)); -_PROTOTYPE(int isnumber, (char *str, int base, int sign)); -_PROTOTYPE(void number, (char *str, int base, long *pl, int *ps)); -_PROTOTYPE(void fmode, (char *str, long *pl, int *ps)); -_PROTOTYPE(struct node * expr, (int t)); -_PROTOTYPE(struct node * primary, (int t)); -_PROTOTYPE(struct node * secondary, (int t)); -_PROTOTYPE(void checkarg, (char *arg)); -_PROTOTYPE(struct node * simple, (int t)); -_PROTOTYPE(void nonfatal, (char *s1, char *s2)); -_PROTOTYPE(void fatal, (char *s1, char *s2)); -_PROTOTYPE(int smatch, (char *s, char *t)); -_PROTOTYPE(char *find_bin, (char *s)); -_PROTOTYPE(int execute, (int op, struct exec * e, char *path)); -_PROTOTYPE(void domode, (int op, int *mode, int bits)); - - -/* Malloc: a certified malloc */ -char *Malloc(n) -int n; -{ - char *m; - - if ((m = (char *) malloc(n)) == (char *) NULL) fatal("out of memory", ""); - return m; -} - -/* Salloc: allocate space for a string */ -char *Salloc(s) -char *s; -{ - return strcpy(Malloc(strlen(s) + 1), s); -} - - -/* Main: the main body */ -int main(argc, argv) -int argc; -char *argv[]; -{ - char **pathlist, *path, *last; - int pathcnt = 0, i; - struct node *pred; - - prog = *argv++; /* set program name (for diagnostics) */ - if ((epath = getenv("PATH")) == (char *) NULL) - fatal("Can't get path from environment", ""); - (void) umask(um = umask(0)); /* non-destructive get-umask :-) */ - time(¤t_time); /* get current time */ - - pathlist= argv; - while (--argc > 0 && lex(*argv) == NONE) { /* find paths */ - pathcnt++; - argv++; - } - if (pathcnt == 0) /* there must be at least one path */ - fatal("Usage: path-list [predicate-list]", ""); - - ipp = argv; /* prepare for parsing */ - if (argc != 0) { /* If there is anything to parse, */ - pred = expr(lex(*ipp)); /* then do so */ - if (lex(*++ipp) != EOI) /* Make sure there's nothing left */ - fatal("syntax error: garbage at end of predicate", ""); - } else /* No predicate list */ - pred = (struct node *) NULL; - - for (i = 0; i < pathcnt; i++) { - if (xdev_flag) xdev_flag = 2; - path = pathlist[i]; - if ((last = strrchr(path, '/')) == NULL) last = path; else last++; - find(path, pred, last); - } - return 0; -} - -void find(path, pred, last) -char *path, *last; -struct node *pred; -{ - char spath[PATH_MAX]; - register char *send = spath, *p; - struct stat st; - DIR *dp; - struct dirent *de; - - if (path[1] == '\0' && *path == '/') { - *send++ = '/'; - *send = '\0'; - } else - while (*send++ = *path++) { - } - - if (LSTAT(spath, &st) == -1) - nonfatal("can't get status of ", spath); - else { - switch (xdev_flag) { - case 0: - break; - case 1: - if (st.st_dev != devnr) return; - break; - case 2: /* set current device number */ - xdev_flag = 1; - devnr = st.st_dev; - break; - } - - prune_here = 0; - if (!depth_flag && check(spath, &st, pred, last) && needprint) - printf("%s\n", spath); - if (!prune_here && (st.st_mode & S_IFMT) == S_IFDIR) { - if ((dp = opendir(spath)) == NULL) { - nonfatal("can't read directory ", spath); - perror( "Error" ); - return; - } - send[-1] = '/'; - while ((de = readdir(dp)) != NULL) { - p = de->d_name; - if ((de->d_name[0] != '.') || ((de->d_name[1]) - && ((de->d_name[1] != '.') - || (de->d_name[2])))) { - strcpy(send, de->d_name); - find(spath, pred, send); - } - } - closedir(dp); - } - if (depth_flag) { - send[-1] = '\0'; - if (check(spath, &st, pred, last) && needprint) - printf("%s\n", spath); - } - } -} - -int check(path, st, n, last) -char *path, *last; -register struct stat *st; -register struct node *n; -{ - if (n == (struct node *) NULL) return 1; - switch (n->n_type) { - case OP_AND: - return check(path, st, n->n_info.n_opnd.n_left, last) && - check(path, st, n->n_info.n_opnd.n_right, last); - case OP_OR: - return check(path, st, n->n_info.n_opnd.n_left, last) || - check(path, st, n->n_info.n_opnd.n_right, last); - case NOT: - return !check(path, st, n->n_info.n_opnd.n_left, last); - case OP_NAME: - return smatch(last, n->n_info.n_str); - case OP_PERM: - if (n->n_info.n_int.n_sign < 0) - return(st->st_mode & (int) n->n_info.n_int.n_val) == - (int) n->n_info.n_int.n_val; - return(st->st_mode & 07777) == (int) n->n_info.n_int.n_val; - case OP_NEWER: - return st->st_mtime > n->n_info.n_int.n_val; - case OP_CNEWER: - return st->st_ctime > n->n_info.n_int.n_val; - case OP_TYPE: - return(st->st_mode & S_IFMT) == (mode_t) n->n_info.n_int.n_val; - case OP_LINKS: - return ichk((long) (st->st_nlink), n); - case OP_USER: - return st->st_uid == n->n_info.n_int.n_val; - case OP_GROUP: - return st->st_gid == n->n_info.n_int.n_val; - case OP_SIZE: - return ichk((st->st_size == 0) ? 0L : - (long) ((st->st_size - 1) / BSIZE + 1), n); - case OP_SIZEC: - return ichk((long) st->st_size, n); - case OP_INUM: - return ichk((long) (st->st_ino), n); - case OP_ATIME: - return ichk(st->st_atime, n); - case OP_CTIME: - return ichk(st->st_ctime, n); - case OP_MTIME: - return ichk(st->st_mtime, n); - case OP_EXEC: - case OP_OK: - return execute(n->n_type, n->n_info.n_exec, path); - case OP_PRINT: - printf("%s\n", path); - return 1; - case OP_PRINT0: - printf("%s", path); putchar(0); - return 1; - case OP_XDEV: - case OP_DEPTH: - return 1; - case OP_PRUNE: - prune_here = 1; - return 1; - case OP_NOUSER: - return(getpwuid(st->st_uid) == (struct passwd *) NULL); - case OP_NOGROUP: - return(getgrgid(st->st_gid) == (struct group *) NULL); - } - fatal("ILLEGAL NODE", ""); - return 0; /* Never reached */ -} - -int ichk(val, n) -long val; -struct node *n; -{ - switch (n->n_info.n_int.n_sign) { - case 0: - return val == n->n_info.n_int.n_val; - case 1: - return val > n->n_info.n_int.n_val; - case -1: return val < n->n_info.n_int.n_val; -} - fatal("internal: bad n_sign", ""); - return 0; /* Never reached */ -} - -int lex(str) -char *str; -{ - if (str == (char *) NULL) return EOI; - if (*str == '-') { - register struct oper *op; - - str++; - for (op = ops; op->op_str; op++) - if (strcmp(str, op->op_str) == 0) break; - return op->op_val; - } - if (str[1] == 0) { - switch (*str) { - case '(': - return LPAR; - case ')': - return RPAR; - case '!': return NOT; - } - } - return NONE; -} - -struct node * - newnode(t) -int t; -{ - struct node *n = (struct node *) Malloc(sizeof(struct node)); - - n->n_type = t; - return n; -} - -/*########################### PARSER ###################################*/ -/* Grammar: - * expr : primary | primary OR expr; - * primary : secondary | secondary AND primary | secondary primary; - * secondary : NOT secondary | LPAR expr RPAR | simple; - * simple : -OP args... - */ - -/* Isnumber checks correct number syntax. A sign is allowed, but the '+' - * only if the number is to be in decimal. - */ -int isnumber(str, base, sign) -register char *str; -int base; -int sign; -{ - if (sign && ((*str == '-') || ((base == 8) && (*str == '+')))) str++; - while ((*str >= '0') && (*str < ('0' + base))) str++; - return(*str == '\0' ? 1 : 0); -} - -/* Convert a string to an integer, storing sign info in *ps. */ -void number(str, base, pl, ps) -char *str; -int base; -long *pl; -int *ps; -{ - int up = '0' + base - 1; - long val = 0; - - *ps = ((*str == '-' || *str == '+') ? ((*str++ == '-') ? -1 : 1) : 0); - while (*str >= '0' && *str <= up) val = base * val + *str++ - '0'; - if (*str) fatal("syntax error: illegal numeric value", ""); - *pl = val; -} - - -void domode(op, mode, bits) -int op; -int *mode; -int bits; -{ - switch (op) { - case '-': - *mode &= ~bits; - break; /* clear bits */ - case '=': - *mode |= bits; - break; /* set bits */ - case '+': - *mode |= (bits & ~um); /* set, but take umask in account */ - } -} - -void fmode(str, pl, ps) -char *str; -long *pl; -int *ps; -{ - int m = 0, w, op; - char *p = str; - - if (*p == '-') { - *ps = -1; - p++; - } else - *ps = 0; - - while (*p) { - w = 0; - if (ISOPER(*p)) - w = MUSER | MGROUP | MOTHERS; - else if (!ISWHO(*p)) - fatal("u, g, o, or a expected: ", p); - else { - while (ISWHO(*p)) { - switch (*p) { - case 'u': - w |= MUSER; - break; - case 'g': - w |= MGROUP; - break; - case 'o': - w |= MOTHERS; - break; - case 'a': - w = MUSER | MGROUP | MOTHERS; - } - p++; - } - if (!ISOPER(*p)) fatal("-, + or = expected: ", p); - } - op = *p++; - while (ISMODE(*p)) { - switch (*p) { - case 'r': - if (w & MUSER) domode(op, &m, S_IRUSR); - if (w & MGROUP) domode(op, &m, S_IRGRP); - if (w & MOTHERS) domode(op, &m, S_IROTH); - break; - case 'w': - if (w & MUSER) domode(op, &m, S_IWUSR); - if (w & MGROUP) domode(op, &m, S_IWGRP); - if (w & MOTHERS) domode(op, &m, S_IWOTH); - break; - case 'x': - if (w & MUSER) domode(op, &m, S_IXUSR); - if (w & MGROUP) domode(op, &m, S_IXGRP); - if (w & MOTHERS) domode(op, &m, S_IXOTH); - break; - case 's': - if (w & MUSER) domode(op, &m, S_ISUID); - if (w & MGROUP) domode(op, &m, S_ISGID); - break; - case 't': - domode(op, &m, S_ISVTX); - } - p++; - } - if (*p) { - if (*p == ',') - p++; - else - fatal("garbage at end of mode string: ", p); - } - } - *pl = m; -} - -struct node * - expr(t) -int t; -{ - struct node *nd, *p, *nd2; - - nd = primary(t); - if ((t = lex(*++ipp)) == OP_OR) { - nd2 = expr(lex(*++ipp)); - p = newnode(OP_OR); - p->n_info.n_opnd.n_left = nd; - p->n_info.n_opnd.n_right = nd2; - return p; - } - ipp--; - return nd; -} - -struct node * - primary(t) -int t; -{ - struct node *nd, *p, *nd2; - - nd = secondary(t); - if ((t = lex(*++ipp)) != OP_AND) { - ipp--; - if (t == EOI || t == RPAR || t == OP_OR) return nd; - } - nd2 = primary(lex(*++ipp)); - p = newnode(OP_AND); - p->n_info.n_opnd.n_left = nd; - p->n_info.n_opnd.n_right = nd2; - return p; -} - -struct node * - secondary(t) -int t; -{ - struct node *n, *p; - - if (t == LPAR) { - n = expr(lex(*++ipp)); - if (lex(*++ipp) != RPAR) fatal("syntax error, ) expected", ""); - return n; - } - if (t == NOT) { - n = secondary(lex(*++ipp)); - p = newnode(NOT); - p->n_info.n_opnd.n_left = n; - return p; - } - return simple(t); -} - -void checkarg(arg) -char *arg; -{ - if (arg == 0) fatal("syntax error, argument expected", ""); -} - -struct node * - simple(t) -int t; -{ - struct node *p = newnode(t); - struct exec *e; - struct stat est; - struct passwd *pw; - struct group *gr; - long l; - int i; - - switch (t) { - case OP_TYPE: - checkarg(*++ipp); - switch (**ipp) { - case 'b': - p->n_info.n_int.n_val = S_IFBLK; - break; - case 'c': - p->n_info.n_int.n_val = S_IFCHR; - break; - case 'd': - p->n_info.n_int.n_val = S_IFDIR; - break; - case 'f': - p->n_info.n_int.n_val = S_IFREG; - break; - case 'p': - p->n_info.n_int.n_val = S_IFIFO; - break; - case 's': - p->n_info.n_int.n_val = ~0; - break; - case 'l': -#ifdef S_IFLNK - p->n_info.n_int.n_val = S_IFLNK; -#else - p->n_info.n_int.n_val = ~0; /* Always unequal. */ -#endif - break; - default: - fatal("-type needs b, c, d, f, p, s or l", ""); - } - break; - case OP_USER: - checkarg(*++ipp); - if (((pw = getpwnam(*ipp)) == NULL) - && isnumber(*ipp, 10, 0)) - number(*ipp, 10, &(p->n_info.n_int.n_val), - &(p->n_info.n_int.n_sign)); - else { - if (pw == NULL) - fatal("unknown user: ", *ipp); - p->n_info.n_int.n_val = pw->pw_uid; - p->n_info.n_int.n_sign = 0; - } - break; - case OP_GROUP: - checkarg(*++ipp); - if (((gr = getgrnam(*ipp)) == NULL) - && isnumber(*ipp, 10, 0)) - number(*ipp, 10, &(p->n_info.n_int.n_val), - &(p->n_info.n_int.n_sign)); - else { - if (gr == NULL) - fatal("unknown group: ", *ipp); - p->n_info.n_int.n_val = gr->gr_gid; - p->n_info.n_int.n_sign = 0; - } - break; - case OP_SIZE: - checkarg(*++ipp); - i = strlen(*ipp) - 1; - if ((*ipp)[i] == 'c') { - p->n_type = OP_SIZEC; /* Count in bytes i.s.o. blocks */ - (*ipp)[i] = '\0'; - } - number(*ipp, 10, &(p->n_info.n_int.n_val), - &(p->n_info.n_int.n_sign)); - break; - case OP_LINKS: - case OP_INUM: - checkarg(*++ipp); - number(*ipp, 10, &(p->n_info.n_int.n_val), - &(p->n_info.n_int.n_sign)); - break; - case OP_PERM: - checkarg(*++ipp); - if (isnumber(*ipp, 8, 1)) number(*ipp, 8, &(p->n_info.n_int.n_val), - &(p->n_info.n_int.n_sign)); - else - fmode(*ipp, &(p->n_info.n_int.n_val), - &(p->n_info.n_int.n_sign)); - break; - case OP_ATIME: - case OP_CTIME: - case OP_MTIME: - checkarg(*++ipp); - number(*ipp, 10, &l, &(p->n_info.n_int.n_sign)); - p->n_info.n_int.n_val = current_time - l * SECS_PER_DAY; - /* More than n days old means less than the absolute time */ - p->n_info.n_int.n_sign *= -1; - break; - case OP_EXEC: - case OP_OK: - checkarg(*++ipp); - e = (struct exec *) Malloc(sizeof(struct exec)); - e->e_cnt = 2; - e->e_vec[0] = SHELL; - p->n_info.n_exec = e; - while (*ipp) { - if (**ipp == ';' && (*ipp)[1] == '\0') { - e->e_vec[e->e_cnt] = 0; - break; - } - e->e_vec[(e->e_cnt)++] = - (**ipp == '{' && (*ipp)[1] == '}' - && (*ipp)[2] == '\0') ? (char *) (-1) : *ipp; - ipp++; - } - if (*ipp == 0) fatal("-exec/-ok: ; missing", ""); - if ((e->e_vec[1] = find_bin(e->e_vec[2])) == 0) - fatal("can't find program ", e->e_vec[2]); - if (t == OP_OK) - if ((tty = open("/dev/tty", O_RDWR)) < 0) - fatal("can't open /dev/tty", ""); - break; - case OP_CNEWER: - case OP_NEWER: - checkarg(*++ipp); - if (LSTAT(*ipp, &est) == -1) - fatal("-newer: can't get status of ", *ipp); - p->n_info.n_int.n_val = est.st_mtime; - break; - case OP_NAME: - checkarg(*++ipp); - p->n_info.n_str = *ipp; - break; - case OP_XDEV: xdev_flag = 1; break; - case OP_DEPTH: depth_flag = 1; break; - case OP_PRUNE: - case OP_PRINT: - case OP_PRINT0: - case OP_NOUSER: case OP_NOGROUP: break; - default: - fatal("syntax error, operator expected", ""); - } - if ((t == OP_PRINT) || (t == OP_PRINT0) || (t == OP_EXEC) || (t == OP_OK)) - needprint = 0; - - return p; -} - -/*######################## DIAGNOSTICS ##############################*/ - -void nonfatal(s1, s2) -char *s1, *s2; -{ - fprintf(stderr, "%s: %s%s\n", prog, s1, s2); -} - -void fatal(s1, s2) -char *s1, *s2; -{ - nonfatal(s1, s2); - exit(1); -} - -/*################### SMATCH #########################*/ -/* Don't try to understand the following one... */ -int smatch(s, t) /* shell-like matching */ -char *s, *t; -{ - register n; - - if (*t == '\0') return *s == '\0'; - if (*t == '*') { - ++t; - do - if (smatch(s, t)) return 1; - while (*s++ != '\0'); - return 0; - } - if (*s == '\0') return 0; - if (*t == '\\') return (*s == *++t) ? smatch(++s, ++t) : 0; - if (*t == '?') return smatch(++s, ++t); - if (*t == '[') { - while (*++t != ']') { - if (*t == '\\') ++t; - if (*(t + 1) != '-') - if (*t == *s) { - while (*++t != ']') - if (*t == '\\') ++t; - return smatch(++s, ++t); - } else - continue; - if (*(t + 2) == ']') return(*s == *t || *s == '-'); - n = (*(t + 2) == '\\') ? 3 : 2; - if (*s >= *t && *s <= *(t + n)) { - while (*++t != ']') - if (*t == '\\') ++t; - return smatch(++s, ++t); - } - t += n; - } - return 0; - } - return(*s == *t) ? smatch(++s, ++t) : 0; -} - -/*####################### EXECUTE ###########################*/ -/* Do -exec or -ok */ - -char * - find_bin(s) -char *s; -{ - char *f, *l, buf[PATH_MAX]; - - if (*s == '/') /* absolute path name */ - return(access(s, 1) == 0) ? s : 0; - l = f = epath; - for (;;) { - if (*l == ':' || *l == 0) { - if (l == f) { - if (access(s, 1) == 0) return Salloc(s); - f++; - } else { - register char *p = buf, *q = s; - - while (f != l) *p++ = *f++; - f++; - *p++ = '/'; - while (*p++ = *q++) { - } - if (access(buf, 1) == 0) return Salloc(buf); - } - if (*l == 0) break; - } - l++; - } - return 0; -} - -int execute(op, e, path) -int op; -struct exec *e; -char *path; -{ - int s, pid; - char *argv[MAXARG]; - register char **p, **q; - - for (p = e->e_vec, q = argv; *p;) /* replace the {}s */ - if ((*q++ = *p++) == (char *) -1) q[-1] = path; - *q = '\0'; - if (op == OP_OK) { - char answer[10]; - - for (p = &argv[2]; *p; p++) { - write(tty, *p, strlen(*p)); - write(tty, " ", 1); - } - write(tty, "? ", 2); - if (read(tty, answer, 10) < 2 || *answer != 'y') return 0; - } - if ((pid = fork()) == -1) fatal("can't fork", ""); - if (pid == 0) { - register i = 3; - - while (close(i++) == 0) { - } /* wow!!! */ - execv(argv[1], &argv[2]); /* binary itself? */ - execv(argv[0], &argv[1]); /* shell command? */ - fatal("exec failure: ", argv[1]); /* none of them! */ - exit(127); - } - return wait(&s) == pid && s == 0; -} diff --git a/man/man1/find.1 b/man/man1/find.1 deleted file mode 100644 index bdbb080d8..000000000 --- a/man/man1/find.1 +++ /dev/null @@ -1,84 +0,0 @@ -.TH FIND 1 -.SH NAME -find \- find files meeting a given condition -.SH SYNOPSIS -\fBfind \fIdirectory \fIexpression\fR -.br -.de FL -.TP -\\fB\\$1\\fR -\\$2 -.. -.de EX -.TP 20 -\\fB\\$1\\fR -# \\$2 -.. -.SH EXAMPLES -.EX "find / \-name a.out \-print" "Print all \fIa.out\fR paths" -.EX "find /usr/ast ! \-newer f \-ok rm {} \e;" "Ask before removing" -.EX "find /usr \-size +20 \-exec mv {} /big \e^;" "move files > 10k" -.EX "find / \e( \-name a.out \-o \-name \(fm*.o\(fm \e) \-exec rm {} \e;" "2 conds" -.SH DESCRIPTION -.PP -\fIFind\fR descends the file tree starting at the given directory checking -each file in that directory and its subdirectories against a predicate. -If the predicate is true, an action is taken. The predicates may be -connected by \fB\-a\fR (Boolean and), \fB\-o\fR (Boolean or) and ! -(Boolean negation). -Each predicate is true under the conditions specified below. The integer -\fIn\fR may also be +\fIn\fR to mean any value greater than \fIn\fR, -\fI\-n\fR to mean any value less than -\fIn\fR, or just \fIn\fR for exactly \fIn\fR. -.PP -.RS -.ta +\w'\-mtime nmm'u -.in +\w'\-mtime nmm'u -.ti -\w'\-mtime nmm'u -\-name s true if current filename is \fIs\fR (include shell wild cards) -.ti -\w'\-mtime nmm'u -\-size n true if file size is \fIn\fR blocks -.ti -\w'\-mtime nmm'u -\-inum n true if the current file's i-node number is \fIn\fR -.ti -\w'\-mtime nmm'u -\-mtime n true if modification time relative to today (in days) is \fIn\fR -.ti -\w'\-mtime nmm'u -\-links n true if the number of links to the file is \fIn\fR -.ti -\w'\-mtime nmm'u -\-newer f true if the file is newer than \fIf\fR -.ti -\w'\-mtime nmm'u -\-perm n true if the file's permission bits = \fIn\fR (\fIn\fR is in octal) -.ti -\w'\-mtime nmm'u -\-user u true if the uid = \fIu\fR (a numerical value, not a login name) -.ti -\w'\-mtime nmm'u -\-group g true if the gid = \fIg\fR (a numerical value, not a group name) -.ti -\w'\-mtime nmm'u -\-type x where \fIx\fR is \fBbcdfug\fR (block, char, dir, regular file, setuid, setgid) -.ti -\w'\-mtime nmm'u -\-xdev do not cross devices to search mounted file systems -.in -\w'\-mtime nmm'u -.fi -.RE -.PP -Following the expression can be one of the following, telling what to do -when a file is found: -.PP -.RS -.ta +\w'\-mtime nmm'u -.in +\w'\-mtime nmm'u -.ti -\w'\-mtime nmm'u -\-print print the file name on standard output -.ti -\w'\-mtime nmm'u -\-print0 print the file name terminated by a null character, to be -used with -.BR "xargs \-0" . -(MINIX 3 extension). -.ti -\w'\-mtime nmm'u -\-exec execute a command, {} stands for the file name -.ti -\w'\-mtime nmm'u -\-ok prompts before executing the command -.in -\w'\-mtime nmm'u -.RE -.SH "SEE ALSO" -.BR test (1), -.BR xargs (1).