25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 // Usage: jjs shell.js
33
34 /* This is a simple shell tool in JavaScript.
35 *
36 * Runs any operating system command using Java "exec". When "eval" command is
37 * used, evaluates argument(s) as JavaScript code.
38 */
39
40 (function() {
41 // Java classes used
42 var Arrays = Java.type("java.util.Arrays");
43 var BufferedReader = Java.type("java.io.BufferedReader");
44 var InputStreamReader = Java.type("java.io.InputStreamReader");
45 var ProcessBuilder = Java.type("java.lang.ProcessBuilder");
46 var System = Java.type("java.lang.System");
47
48 // print prompt
49 function prompt() {
50 System.out.print("> ");
51 }
52
53 var reader = new BufferedReader(new InputStreamReader(System.in));
54 prompt();
55 // read and evaluate each line from stdin
56 reader.lines().forEach(function(line) {
57 if (! line.isEmpty()) {
58 var args = line.split(' ');
59 try {
60 // special 'eval' command to evaluate JS code
61 if (args[0] == 'eval') {
62 var code = line.substring('eval'.length);
63 var res = eval(code);
64 if (res != undefined) {
65 print(res);
66 }
67 } else {
68 // build child process and start it!
69 new ProcessBuilder(Arrays.asList(args))
70 .inheritIO()
71 .start()
72 .waitFor();
73 }
74 } catch (e) {
75 // print exception, if any
76 print(e);
77 }
78 }
79 prompt();
80 })
81 })()
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25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 // Usage: jjs shell.js
33
34 /* This is a simple shell tool in JavaScript.
35 *
36 * Runs any operating system command using Java "exec". When "eval" command is
37 * used, evaluates argument(s) as JavaScript code.
38 */
39
40 (function() {
41 // Java classes used
42 var Arrays = Java.type("java.util.Arrays");
43 var BufferedReader = Java.type("java.io.BufferedReader");
44 var InputStreamReader = Java.type("java.io.InputStreamReader");
45 var List = Java.type("java.util.List");
46 var ProcessBuilder = Java.type("java.lang.ProcessBuilder");
47 var System = Java.type("java.lang.System");
48
49 // print prompt
50 function prompt() {
51 System.out.print("> ");
52 }
53
54 var reader = new BufferedReader(new InputStreamReader(System.in));
55 prompt();
56 // read and evaluate each line from stdin
57 reader.lines().forEach(function(line) {
58 if (! line.isEmpty()) {
59 var args = line.split(' ');
60 try {
61 // special 'eval' command to evaluate JS code
62 if (args[0] == 'eval') {
63 var code = line.substring('eval'.length);
64 var res = eval(code);
65 if (res != undefined) {
66 print(res);
67 }
68 } else {
69 // build child process and start it!
70 new ProcessBuilder(Java.to(args, List))
71 .inheritIO()
72 .start()
73 .waitFor();
74 }
75 } catch (e) {
76 // print exception, if any
77 print(e);
78 }
79 }
80 prompt();
81 })
82 })()
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