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Userland: "touch" can now handle multiple paths as arguments

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You can now do:
  touch a.txt b.txt c.txt d.txt

Also now you can't do:
  touch --test  # This created a "./--test" file

Also adds ArgsParser to the mix to better handle arguments :)
This commit is contained in:
Andres Vieira 2020-05-01 14:02:04 +02:00 committed by Andreas Kling
parent 8551c10918
commit 15aedc6866
Notes: sideshowbarker 2024-07-19 07:07:54 +09:00 
Author: https://github.com/zlotny
Commit: https://github.com/SerenityOS/serenity/commit/15aedc68662
Pull-request: https://github.com/SerenityOS/serenity/pull/2048
1 changed files with 23 additions and 18 deletions
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41
Userland/touch.cpp
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@ -24,6 +24,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibCore/ArgsParser.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
@ -55,24 +56,28 @@ int main(int argc, char** argv)
return 1;
}
if (argc != 2) {
fprintf(stderr, "usage: touch <path>\n");
return 1;
}
if (file_exists(argv[1])) {
int rc = utime(argv[1], nullptr);
if (rc < 0)
perror("utime");
} else {
int fd = open(argv[1], O_CREAT, 0100644);
if (fd < 0) {
perror("open");
return 1;
}
int rc = close(fd);
if (rc < 0) {
perror("close");
return 1;
Vector<const char*> paths;
Core::ArgsParser args_parser;
args_parser.add_positional_argument(paths, "Files to touch", "path", Core::ArgsParser::Required::Yes);
args_parser.parse(argc, argv);
for (auto path : paths) {
if (file_exists(path)) {
int rc = utime(path, nullptr);
if (rc < 0)
perror("utime");
} else {
int fd = open(path, O_CREAT, 0100644);
if (fd < 0) {
perror("open");
return 1;
}
int rc = close(fd);
if (rc < 0) {
perror("close");
return 1;
}
}
}
return 0;