Connor Lane Smith
13 years ago
7 changed files with 186 additions and 69 deletions
@ -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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|
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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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|
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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 [ -abcdefghlpqrsuwx ] |
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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, stest |
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reads files from stdin. |
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.SH OPTIONS |
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.TP |
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.B \-a |
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Test hidden files. |
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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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.B \-l |
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Test the contents of a directory given as an argument. |
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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 +1,84 @@
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/* See LICENSE file for copyright and license details. */ |
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#include <dirent.h> |
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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 FLAG(x) (flag[(x)-'a']) |
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static void test(const char *, const char *); |
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static bool match = false; |
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static bool flag[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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struct dirent *d; |
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char buf[BUFSIZ], *p; |
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DIR *dir; |
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int opt; |
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while((opt = getopt(argc, argv, "abcdefghln:o:pqrsuwx")) != -1) |
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switch(opt) { |
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case 'n': /* newer than file */ |
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case 'o': /* older than file */ |
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if(!(FLAG(opt) = !stat(optarg, (opt == 'n' ? &new : &old)))) |
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perror(optarg); |
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break; |
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default: /* miscellaneous operators */ |
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FLAG(opt) = true; |
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break; |
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case '?': /* error: unknown flag */ |
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fprintf(stderr, "usage: %s [-abcdefghlpqrsuwx] [-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 = strchr(buf, '\n'))) |
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*p = '\0'; |
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test(buf, buf); |
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} |
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for(; optind < argc; optind++) |
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if(FLAG('l') && (dir = opendir(argv[optind]))) { |
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/* test directory contents */ |
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while((d = readdir(dir))) |
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if(snprintf(buf, sizeof buf, "%s/%s", argv[optind], d->d_name) < sizeof buf) |
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test(buf, d->d_name); |
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closedir(dir); |
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} |
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else |
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test(argv[optind], argv[optind]); |
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return match ? 0 : 1; |
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} |
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void |
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test(const char *path, const char *name) { |
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struct stat st, ln; |
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if(!stat(path, &st) && (FLAG('a') || name[0] != '.') /* hidden files */ |
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&& (!FLAG('b') || S_ISBLK(st.st_mode)) /* block special */ |
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&& (!FLAG('c') || S_ISCHR(st.st_mode)) /* character special */ |
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&& (!FLAG('d') || S_ISDIR(st.st_mode)) /* directory */ |
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&& (!FLAG('e') || access(path, F_OK) == 0) /* exists */ |
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&& (!FLAG('f') || S_ISREG(st.st_mode)) /* regular file */ |
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&& (!FLAG('g') || st.st_mode & S_ISGID) /* set-group-id flag */ |
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&& (!FLAG('h') || (!lstat(path, &ln) && S_ISLNK(ln.st_mode))) /* symbolic link */ |
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&& (!FLAG('n') || st.st_mtime > new.st_mtime) /* newer than file */ |
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&& (!FLAG('o') || st.st_mtime < old.st_mtime) /* older than file */ |
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&& (!FLAG('p') || S_ISFIFO(st.st_mode)) /* named pipe */ |
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&& (!FLAG('r') || access(path, R_OK) == 0) /* readable */ |
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&& (!FLAG('s') || st.st_size > 0) /* not empty */ |
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&& (!FLAG('u') || st.st_mode & S_ISUID) /* set-user-id flag */ |
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&& (!FLAG('w') || access(path, W_OK) == 0) /* writable */ |
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&& (!FLAG('x') || access(path, X_OK) == 0)) { /* executable */ |
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if(FLAG('q')) |
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exit(0); |
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match = true; |
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puts(name); |
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} |
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} |
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