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add rm, thanks rob

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This commit is contained in:
Connor Lane Smith 2011-05-24 01:52:28 +01:00
parent 9714d7b1d3
commit 8c76381e91
5 changed files with 79 additions and 3 deletions
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1
LICENSE
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@ -3,6 +3,7 @@ MIT/X Consortium License
© 2011 Connor Lane Smith <cls@lubutu.com>
© 2011 Kamil Cholewiński <harry666t@gmail.com>
© 2011 stateless <stateless@archlinux.us>
© 2011 Rob Pilling <robpilling@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),

2
Makefile
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@ -1,6 +1,6 @@
include config.mk
SRC = basename.c cat.c date.c echo.c false.c grep.c pwd.c sleep.c tee.c touch.c true.c wc.c
SRC = basename.c cat.c date.c echo.c false.c grep.c pwd.c rm.c sleep.c tee.c touch.c true.c wc.c
OBJ = $(SRC:.c=.o) util.o
BIN = $(SRC:.c=)
MAN = $(SRC:.c=.1)

17
rm.1 Normal file
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@ -0,0 +1,17 @@
.TH RM 1 sbase\-VERSION
.SH NAME
rm \- remove files and directories
.SH SYNOPSIS
.B rm
.RB [ \-fr ]
.RI [ files ...]
.SH DESCRIPTION
.B rm
removes the given files and directories.
.SH OPTIONS
.TP
.B \-f
ignored, for compatibility.
.TP
.B \-r
remove directories recursively.

58
rm.c Normal file
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@ -0,0 +1,58 @@
/* See LICENSE file for copyright and license details. */
#include <dirent.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
static void rm(const char *);
static bool rflag = 0;
int
main(int argc, char *argv[])
{
char c;
while((c = getopt(argc, argv, "fr")) != -1)
switch(c) {
case 'f':
break;
case 'r':
rflag = true;
break;
default:
exit(EXIT_FAILURE);
}
for(; optind < argc; optind++)
rm(argv[optind]);
return EXIT_SUCCESS;
}
void rm(const char *path)
{
if(remove(path) == 0)
return;
if(errno == ENOTEMPTY && rflag) {
struct dirent *d;
DIR *dp;
if(!(dp = opendir(path)))
eprintf("opendir %s:", path);
if(chdir(path) != 0)
eprintf("chdir %s:", path);
while((d = readdir(dp)))
if(strcmp(d->d_name, ".") && strcmp(d->d_name, ".."))
rm(d->d_name);
closedir(dp);
if(chdir("..") != 0)
eprintf("chdir:");
if(remove(path) == 0)
return;
}
eprintf("remove %s:", path);
}

4
touch.c
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@ -43,7 +43,7 @@ touch(const char *str)
struct stat st;
struct utimbuf ut;
if(stat(str, &st) < 0) {
if(stat(str, &st) != 0) {
if(errno != ENOENT)
eprintf("stat %s:", str);
if(cflag)
@ -54,6 +54,6 @@ touch(const char *str)
}
ut.actime = st.st_atime;
ut.modtime = t;
if(utime(str, &ut) < 0)
if(utime(str, &ut) != 0)
eprintf("utime %s:", str);
}