]>
git.argeo.org Git - lgpl/argeo-commons.git/blob - org.argeo.core/src/org/argeo/cli/posix/Echo.java
1 package org
.argeo
.cli
.posix
;
5 import org
.apache
.commons
.cli
.CommandLine
;
6 import org
.apache
.commons
.cli
.Option
;
7 import org
.apache
.commons
.cli
.Options
;
8 import org
.argeo
.cli
.DescribedCommand
;
10 public class Echo
implements DescribedCommand
<String
> {
13 public Options
getOptions() {
14 Options options
= new Options();
15 options
.addOption(Option
.builder("n").desc("do not output the trailing newline").build());
20 public String
getDescription() {
21 return "Display a line of text";
25 public String
getUsage() {
30 public String
apply(List
<String
> args
) {
31 CommandLine cl
= toCommandLine(args
);
33 StringBuffer sb
= new StringBuffer();
34 for (String s
: cl
.getArgList()) {
35 sb
.append(s
).append(' ');
38 if (cl
.hasOption('n')) {
39 sb
.deleteCharAt(sb
.length() - 1);
41 sb
.setCharAt(sb
.length() - 1, '\n');