simplify stest
This commit is contained in:
Connor Lane Smith
parent
bb4424df07
commit
8cc28cb426
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@ -5,10 +5,8 @@ if [ ! -d "`dirname "$CACHE"`" ]; then
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fi
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(
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IFS=:
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if ls -d $PATH | stest -q -n "$CACHE"; then
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for dir in $PATH; do
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ls $dir | stest -C $dir -fx
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done | sort -u > "$CACHE"
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if stest -dqr -n "$CACHE" $PATH; then
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stest -flx $PATH | sort -u > "$CACHE"
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fi
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)
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cmd=`dmenu "$@" < "$CACHE"` && exec sh -c "$cmd"
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15
stest.1
15
stest.1
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@ -3,9 +3,7 @@
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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 [ -abcdefghlpqrsuwx ]
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.RB [ -n
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.IR file ]
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.RB [ -o
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@ -15,13 +13,11 @@ stest \- filter a list of files by properties
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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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Files which pass all tests are printed to stdout.
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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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.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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@ -44,6 +40,9 @@ Test that files have their set-group-ID flag set.
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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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92
stest.c
92
stest.c
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@ -1,4 +1,5 @@
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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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@ -6,80 +7,73 @@
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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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#define FLAG(x) (flag[(x)-'a'])
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static bool test(const char *);
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static void test(const char *, const char *);
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static bool quiet = false;
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static bool oper[26];
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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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char buf[BUFSIZ], *p;
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bool match = false;
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struct dirent *d;
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char buf[BUFSIZ];
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DIR *dir;
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int opt;
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while((opt = getopt(argc, argv, "C:bcdefghn:o:pqrsuwx")) != -1)
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while((opt = getopt(argc, argv, "abcdefghln: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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if(!(FLAG(opt) = !stat(optarg, (opt == 'n' ? &new : &old))))
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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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FLAG(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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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 = &buf[strlen(buf)-1]) == '\n')
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*p = '\0';
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match |= test(buf);
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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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while(optind < argc)
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match |= test(argv[optind++]);
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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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bool
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test(const char *path) {
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struct stat st;
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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((!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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if(!stat(path, &st) && !lstat(path, &ln)
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&& ( FLAG('a') || name[0] != '.') /* hidden */
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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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puts(path);
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return true;
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match = true;
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puts(name);
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}
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else
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return false;
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}
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