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Userland: Add support for the '-n' flag to 'echo'

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This commit is contained in:
AnotherTest 2020-07-29 04:13:43 +04:30 committed by Andreas Kling
parent 3b3e90714f
commit 6df2f8a8cb
Notes: sideshowbarker 2024-07-19 04:27:33 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/6df2f8a8cb6
Pull-request: https://github.com/SerenityOS/serenity/pull/2907
Reviewed-by: https://github.com/awesomekling
1 changed files with 14 additions and 4 deletions
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18
Userland/echo.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 <stdio.h>
#include <unistd.h>
@ -34,11 +35,20 @@ int main(int argc, char** argv)
return 1;
}
for (int i = 1; i < argc; ++i) {
fputs(argv[i], stdout);
if (i != argc - 1)
Vector<const char*> values;
bool no_trailing_newline = false;
Core::ArgsParser args_parser;
args_parser.add_option(no_trailing_newline, "Do not output a trailing newline", nullptr, 'n');
args_parser.add_positional_argument(values, "Values to print out", "string", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
for (size_t i = 0; i < values.size(); ++i) {
fputs(values[i], stdout);
if (i != values.size() - 1)
fputc(' ', stdout);
}
printf("\n");
if (!no_trailing_newline)
printf("\n");
return 0;
}