replace lsx with stest
Connor Lane Smith
13 years ago
parent
8ac44eb75a
commit
bb4424df07
@ -1,11 +0,0 @@
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.TH LSX 1 dmenu\-VERSION
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.SH NAME
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lsx \- list executables
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.SH SYNOPSIS
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.B lsx
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.RI [ directory ...]
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.SH DESCRIPTION
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.B lsx
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lists the executables in each
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.IR directory .
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If none are given the current working directory is used.
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@ -1,43 +0,0 @@
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/* See LICENSE file for copyright and license details. */
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#include <dirent.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/stat.h>
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static void lsx(const char *dir);
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static int status = EXIT_SUCCESS;
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int
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main(int argc, char *argv[]) {
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int i;
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if(argc < 2)
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lsx(".");
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else for(i = 1; i < argc; i++)
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lsx(argv[i]);
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return status;
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}
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void
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lsx(const char *dir) {
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char buf[PATH_MAX];
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struct dirent *d;
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struct stat st;
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DIR *dp;
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for(dp = opendir(dir); dp && (d = readdir(dp)); errno = 0)
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if(snprintf(buf, sizeof buf, "%s/%s", dir, d->d_name) < (int)sizeof buf
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&& access(buf, X_OK) == 0 && stat(buf, &st) == 0 && S_ISREG(st.st_mode))
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puts(d->d_name);
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if(errno != 0) {
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status = EXIT_FAILURE;
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perror(dir);
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}
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if(dp)
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closedir(dp);
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}
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@ -0,0 +1,87 @@
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.TH STEST 1 dmenu\-VERSION
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.SH NAME
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stest \- filter a list of files by properties
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.SH SYNOPSIS
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.B stest
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.RB [ -bcdefghpqrsuwx ]
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.RB [ -C
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.IR dir ]
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.RB [ -n
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.IR file ]
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.RB [ -o
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.IR file ]
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.RI [ file ...]
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.SH DESCRIPTION
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.B stest
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takes a list of files and filters by the files' properties, analogous to
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.IR test (1).
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Files which pass all tests are printed to stdout. If no files are given as
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arguments, stest will read a list of files from stdin, one path per line.
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.SH OPTIONS
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.TP
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.BI \-C " dir"
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Tests files relative to directory
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.IR dir .
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.TP
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.B \-b
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Test that files are block specials.
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.TP
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.B \-c
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Test that files are character specials.
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.TP
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.B \-d
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Test that files are directories.
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.TP
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.B \-e
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Test that files exist.
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.TP
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.B \-f
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Test that files are regular files.
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.TP
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.B \-g
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Test that files have their set-group-ID flag set.
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.TP
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.B \-h
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Test that files are symbolic links.
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.TP
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.BI \-n " file"
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Test that files are newer than
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.IR file .
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.TP
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.BI \-o " file"
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Test that files are older than
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.IR file .
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.TP
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.B \-p
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Test that files are named pipes.
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.TP
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.B \-q
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No files are printed, only the exit status is returned.
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.TP
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.B \-r
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Test that files are readable.
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.TP
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.B \-s
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Test that files are not empty.
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.TP
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.B \-u
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Test that files have their set-user-ID flag set.
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.TP
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.B \-w
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Test that files are writable.
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.TP
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.B \-x
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Test that files are executable.
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.SH EXIT STATUS
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.TP
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.B 0
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At least one file passed all tests.
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.TP
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.B 1
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No files passed all tests.
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.TP
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.B 2
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An error occurred.
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.SH SEE ALSO
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.IR dmenu (1),
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.IR test (1)
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@ -0,0 +1,85 @@
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/* See LICENSE file for copyright and license details. */
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#define OPER(x) (oper[(x)-'a'])
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static bool test(const char *);
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static bool quiet = false;
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static bool oper[26];
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static struct stat old, new;
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int
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main(int argc, char *argv[]) {
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char buf[BUFSIZ], *p;
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bool match = false;
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int opt;
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while((opt = getopt(argc, argv, "C:bcdefghn:o:pqrsuwx")) != -1)
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switch(opt) {
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case 'C': /* tests relative to directory */
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if(chdir(optarg) == -1) {
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perror(optarg);
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exit(2);
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}
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break;
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case 'n': /* newer than file */
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case 'o': /* older than file */
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if(!(OPER(opt) = stat(optarg, (opt == 'n' ? &new : &old)) == 0))
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perror(optarg);
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break;
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case 'q': /* quiet (no output, just status) */
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quiet = true;
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break;
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default: /* miscellaneous operators */
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OPER(opt) = true;
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break;
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case '?': /* error: unknown flag */
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fprintf(stderr, "usage: %s [-bcdefghpqrsuwx] [-C dir] [-n file] [-o file] [file...]\n", argv[0]);
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exit(2);
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}
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if(optind == argc)
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while(fgets(buf, sizeof buf, stdin)) {
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if(*(p = &buf[strlen(buf)-1]) == '\n')
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*p = '\0';
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match |= test(buf);
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}
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else
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while(optind < argc)
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match |= test(argv[optind++]);
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return match ? 0 : 1;
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}
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bool
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test(const char *path) {
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struct stat st;
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if((!OPER('b') || (stat(path, &st) == 0 && S_ISBLK(st.st_mode))) /* block special */
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&& (!OPER('c') || (stat(path, &st) == 0 && S_ISCHR(st.st_mode))) /* character special */
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&& (!OPER('d') || (stat(path, &st) == 0 && S_ISDIR(st.st_mode))) /* directory */
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&& (!OPER('e') || (access(path, F_OK) == 0)) /* exists */
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&& (!OPER('f') || (stat(path, &st) == 0 && S_ISREG(st.st_mode))) /* regular file */
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&& (!OPER('g') || (stat(path, &st) == 0 && (st.st_mode & S_ISGID))) /* set-group-id flag */
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&& (!OPER('h') || (lstat(path, &st) == 0 && S_ISLNK(st.st_mode))) /* symbolic link */
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&& (!OPER('n') || (stat(path, &st) == 0 && st.st_mtime > new.st_mtime)) /* newer than file */
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&& (!OPER('o') || (stat(path, &st) == 0 && st.st_mtime < old.st_mtime)) /* older than file */
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&& (!OPER('p') || (stat(path, &st) == 0 && S_ISFIFO(st.st_mode))) /* named pipe */
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&& (!OPER('r') || (access(path, R_OK) == 0)) /* readable */
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&& (!OPER('s') || (stat(path, &st) == 0 && st.st_size > 0)) /* not empty */
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&& (!OPER('u') || (stat(path, &st) == 0 && (st.st_mode & S_ISUID))) /* set-user-id flag */
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&& (!OPER('w') || (access(path, W_OK) == 0)) /* writable */
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&& (!OPER('x') || (access(path, X_OK) == 0))) { /* executable */
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if(quiet)
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exit(0);
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puts(path);
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return true;
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}
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else
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return false;
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}
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