redis-cli.c

   1 /* Redis CLI (command line interface)
   2  *
   3  * Copyright (c) 2009-2010, Salvatore Sanfilippo <antirez at gmail dot com>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  *   * Redistributions of source code must retain the above copyright notice,
  10  *     this list of conditions and the following disclaimer.
  11  *   * Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *   * Neither the name of Redis nor the names of its contributors may be used
  15  *     to endorse or promote products derived from this software without
  16  *     specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "fmacros.h"
  32
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <stdlib.h>
  36 #include <unistd.h>
  37 #include <ctype.h>
  38
  39 #include "anet.h"
  40 #include "sds.h"
  41 #include "adlist.h"
  42 #include "zmalloc.h"
  43 #include "linenoise.h"
  44
  45 #define REDIS_CMD_INLINE 1
  46 #define REDIS_CMD_BULK 2
  47 #define REDIS_CMD_MULTIBULK 4
  48
  49 #define REDIS_NOTUSED(V) ((void) V)
  50
  51 static struct config {
  52     char *hostip;
  53     int hostport;
  54     long repeat;
  55     int dbnum;
  56     int interactive;
  57     int monitor_mode;
  58     int pubsub_mode;
  59     char *auth;
  60 } config;
  61
  62 struct redisCommand {
  63     char *name;
  64     int arity;
  65     int flags;
  66 };
  67
  68 static struct redisCommand cmdTable[] = {
  69     {"auth",2,REDIS_CMD_INLINE},
  70     {"get",2,REDIS_CMD_INLINE},
  71     {"set",3,REDIS_CMD_BULK},
  72     {"setnx",3,REDIS_CMD_BULK},
  73     {"setex",4,REDIS_CMD_BULK},
  74     {"append",3,REDIS_CMD_BULK},
  75     {"substr",4,REDIS_CMD_INLINE},
  76     {"del",-2,REDIS_CMD_INLINE},
  77     {"exists",2,REDIS_CMD_INLINE},
  78     {"incr",2,REDIS_CMD_INLINE},
  79     {"decr",2,REDIS_CMD_INLINE},
  80     {"rpush",3,REDIS_CMD_BULK},
  81     {"lpush",3,REDIS_CMD_BULK},
  82     {"rpop",2,REDIS_CMD_INLINE},
  83     {"lpop",2,REDIS_CMD_INLINE},
  84     {"brpop",-3,REDIS_CMD_INLINE},
  85     {"blpop",-3,REDIS_CMD_INLINE},
  86     {"llen",2,REDIS_CMD_INLINE},
  87     {"lindex",3,REDIS_CMD_INLINE},
  88     {"lset",4,REDIS_CMD_BULK},
  89     {"lrange",4,REDIS_CMD_INLINE},
  90     {"ltrim",4,REDIS_CMD_INLINE},
  91     {"lrem",4,REDIS_CMD_BULK},
  92     {"rpoplpush",3,REDIS_CMD_BULK},
  93     {"sadd",3,REDIS_CMD_BULK},
  94     {"srem",3,REDIS_CMD_BULK},
  95     {"smove",4,REDIS_CMD_BULK},
  96     {"sismember",3,REDIS_CMD_BULK},
  97     {"scard",2,REDIS_CMD_INLINE},
  98     {"spop",2,REDIS_CMD_INLINE},
  99     {"srandmember",2,REDIS_CMD_INLINE},
 100     {"sinter",-2,REDIS_CMD_INLINE},
 101     {"sinterstore",-3,REDIS_CMD_INLINE},
 102     {"sunion",-2,REDIS_CMD_INLINE},
 103     {"sunionstore",-3,REDIS_CMD_INLINE},
 104     {"sdiff",-2,REDIS_CMD_INLINE},
 105     {"sdiffstore",-3,REDIS_CMD_INLINE},
 106     {"smembers",2,REDIS_CMD_INLINE},
 107     {"zadd",4,REDIS_CMD_BULK},
 108     {"zincrby",4,REDIS_CMD_BULK},
 109     {"zrem",3,REDIS_CMD_BULK},
 110     {"zremrangebyscore",4,REDIS_CMD_INLINE},
 111     {"zmerge",-3,REDIS_CMD_INLINE},
 112     {"zmergeweighed",-4,REDIS_CMD_INLINE},
 113     {"zrange",-4,REDIS_CMD_INLINE},
 114     {"zrank",3,REDIS_CMD_BULK},
 115     {"zrevrank",3,REDIS_CMD_BULK},
 116     {"zrangebyscore",-4,REDIS_CMD_INLINE},
 117     {"zcount",4,REDIS_CMD_INLINE},
 118     {"zrevrange",-4,REDIS_CMD_INLINE},
 119     {"zcard",2,REDIS_CMD_INLINE},
 120     {"zscore",3,REDIS_CMD_BULK},
 121     {"incrby",3,REDIS_CMD_INLINE},
 122     {"decrby",3,REDIS_CMD_INLINE},
 123     {"getset",3,REDIS_CMD_BULK},
 124     {"randomkey",1,REDIS_CMD_INLINE},
 125     {"select",2,REDIS_CMD_INLINE},
 126     {"move",3,REDIS_CMD_INLINE},
 127     {"rename",3,REDIS_CMD_INLINE},
 128     {"renamenx",3,REDIS_CMD_INLINE},
 129     {"keys",2,REDIS_CMD_INLINE},
 130     {"dbsize",1,REDIS_CMD_INLINE},
 131     {"ping",1,REDIS_CMD_INLINE},
 132     {"echo",2,REDIS_CMD_BULK},
 133     {"save",1,REDIS_CMD_INLINE},
 134     {"bgsave",1,REDIS_CMD_INLINE},
 135     {"rewriteaof",1,REDIS_CMD_INLINE},
 136     {"bgrewriteaof",1,REDIS_CMD_INLINE},
 137     {"shutdown",1,REDIS_CMD_INLINE},
 138     {"lastsave",1,REDIS_CMD_INLINE},
 139     {"type",2,REDIS_CMD_INLINE},
 140     {"flushdb",1,REDIS_CMD_INLINE},
 141     {"flushall",1,REDIS_CMD_INLINE},
 142     {"sort",-2,REDIS_CMD_INLINE},
 143     {"info",1,REDIS_CMD_INLINE},
 144     {"mget",-2,REDIS_CMD_INLINE},
 145     {"expire",3,REDIS_CMD_INLINE},
 146     {"expireat",3,REDIS_CMD_INLINE},
 147     {"ttl",2,REDIS_CMD_INLINE},
 148     {"slaveof",3,REDIS_CMD_INLINE},
 149     {"debug",-2,REDIS_CMD_INLINE},
 150     {"mset",-3,REDIS_CMD_MULTIBULK},
 151     {"msetnx",-3,REDIS_CMD_MULTIBULK},
 152     {"monitor",1,REDIS_CMD_INLINE},
 153     {"multi",1,REDIS_CMD_INLINE},
 154     {"exec",1,REDIS_CMD_INLINE},
 155     {"discard",1,REDIS_CMD_INLINE},
 156     {"hset",4,REDIS_CMD_MULTIBULK},
 157     {"hget",3,REDIS_CMD_BULK},
 158     {"hmset",-4,REDIS_CMD_MULTIBULK},
 159     {"hmget",-3,REDIS_CMD_MULTIBULK},
 160     {"hincrby",4,REDIS_CMD_INLINE},
 161     {"hdel",3,REDIS_CMD_BULK},
 162     {"hlen",2,REDIS_CMD_INLINE},
 163     {"hkeys",2,REDIS_CMD_INLINE},
 164     {"hvals",2,REDIS_CMD_INLINE},
 165     {"hgetall",2,REDIS_CMD_INLINE},
 166     {"hexists",3,REDIS_CMD_BULK},
 167     {"config",-2,REDIS_CMD_BULK},
 168     {"subscribe",-2,REDIS_CMD_INLINE},
 169     {"unsubscribe",-1,REDIS_CMD_INLINE},
 170     {"psubscribe",-2,REDIS_CMD_INLINE},
 171     {"punsubscribe",-1,REDIS_CMD_INLINE},
 172     {"publish",3,REDIS_CMD_BULK},
 173     {NULL,0,0}
 174 };
 175
 176 static int cliReadReply(int fd);
 177 static void usage();
 178
 179 static struct redisCommand *lookupCommand(char *name) {
 180     int j = 0;
 181     while(cmdTable[j].name != NULL) {
 182         if (!strcasecmp(name,cmdTable[j].name)) return &cmdTable[j];
 183         j++;
 184     }
 185     return NULL;
 186 }
 187
 188 static int cliConnect(void) {
 189     char err[ANET_ERR_LEN];
 190     static int fd = ANET_ERR;
 191
 192     if (fd == ANET_ERR) {
 193         fd = anetTcpConnect(err,config.hostip,config.hostport);
 194         if (fd == ANET_ERR) {
 195             fprintf(stderr, "Could not connect to Redis at %s:%d: %s", config.hostip, config.hostport, err);
 196             return -1;
 197         }
 198         anetTcpNoDelay(NULL,fd);
 199     }
 200     return fd;
 201 }
 202
 203 static sds cliReadLine(int fd) {
 204     sds line = sdsempty();
 205
 206     while(1) {
 207         char c;
 208         ssize_t ret;
 209
 210         ret = read(fd,&c,1);
 211         if (ret == -1) {
 212             sdsfree(line);
 213             return NULL;
 214         } else if ((ret == 0) || (c == '\n')) {
 215             break;
 216         } else {
 217             line = sdscatlen(line,&c,1);
 218         }
 219     }
 220     return sdstrim(line,"\r\n");
 221 }
 222
 223 static int cliReadSingleLineReply(int fd, int quiet) {
 224     sds reply = cliReadLine(fd);
 225
 226     if (reply == NULL) return 1;
 227     if (!quiet)
 228         printf("%s\n", reply);
 229     sdsfree(reply);
 230     return 0;
 231 }
 232
 233 static void printStringRepr(char *s, int len) {
 234     printf("\"");
 235     while(len--) {
 236         switch(*s) {
 237         case '\\':
 238         case '"':
 239             printf("\\%c",*s);
 240             break;
 241         case '\n': printf("\\n"); break;
 242         case '\r': printf("\\r"); break;
 243         case '\t': printf("\\t"); break;
 244         case '\a': printf("\\a"); break;
 245         case '\b': printf("\\b"); break;
 246         default:
 247             if (isprint(*s))
 248                 printf("%c",*s);
 249             else
 250                 printf("\\x%02x",(unsigned char)*s);
 251             break;
 252         }
 253         s++;
 254     }
 255     printf("\"\n");
 256 }
 257
 258 static int cliReadBulkReply(int fd) {
 259     sds replylen = cliReadLine(fd);
 260     char *reply, crlf[2];
 261     int bulklen;
 262
 263     if (replylen == NULL) return 1;
 264     bulklen = atoi(replylen);
 265     if (bulklen == -1) {
 266         sdsfree(replylen);
 267         printf("(nil)\n");
 268         return 0;
 269     }
 270     reply = zmalloc(bulklen);
 271     anetRead(fd,reply,bulklen);
 272     anetRead(fd,crlf,2);
 273     if (!isatty(fileno(stdout))) {
 274         if (bulklen && fwrite(reply,bulklen,1,stdout) == 0) {
 275             zfree(reply);
 276             return 1;
 277         }
 278     } else {
 279         /* If you are producing output for the standard output we want
 280          * a more interesting output with quoted characters and so forth */
 281         printStringRepr(reply,bulklen);
 282     }
 283     zfree(reply);
 284     return 0;
 285 }
 286
 287 static int cliReadMultiBulkReply(int fd) {
 288     sds replylen = cliReadLine(fd);
 289     int elements, c = 1;
 290
 291     if (replylen == NULL) return 1;
 292     elements = atoi(replylen);
 293     if (elements == -1) {
 294         sdsfree(replylen);
 295         printf("(nil)\n");
 296         return 0;
 297     }
 298     if (elements == 0) {
 299         printf("(empty list or set)\n");
 300     }
 301     while(elements--) {
 302         printf("%d. ", c);
 303         if (cliReadReply(fd)) return 1;
 304         c++;
 305     }
 306     return 0;
 307 }
 308
 309 static int cliReadReply(int fd) {
 310     char type;
 311
 312     if (anetRead(fd,&type,1) <= 0) exit(1);
 313     switch(type) {
 314     case '-':
 315         printf("(error) ");
 316         cliReadSingleLineReply(fd,0);
 317         return 1;
 318     case '+':
 319         return cliReadSingleLineReply(fd,0);
 320     case ':':
 321         printf("(integer) ");
 322         return cliReadSingleLineReply(fd,0);
 323     case '$':
 324         return cliReadBulkReply(fd);
 325     case '*':
 326         return cliReadMultiBulkReply(fd);
 327     default:
 328         printf("protocol error, got '%c' as reply type byte\n", type);
 329         return 1;
 330     }
 331 }
 332
 333 static int selectDb(int fd) {
 334     int retval;
 335     sds cmd;
 336     char type;
 337
 338     if (config.dbnum == 0)
 339         return 0;
 340
 341     cmd = sdsempty();
 342     cmd = sdscatprintf(cmd,"SELECT %d\r\n",config.dbnum);
 343     anetWrite(fd,cmd,sdslen(cmd));
 344     anetRead(fd,&type,1);
 345     if (type <= 0 || type != '+') return 1;
 346     retval = cliReadSingleLineReply(fd,1);
 347     if (retval) {
 348         return retval;
 349     }
 350     return 0;
 351 }
 352
 353 static int cliSendCommand(int argc, char **argv, int repeat) {
 354     struct redisCommand *rc = lookupCommand(argv[0]);
 355     int fd, j, retval = 0;
 356     sds cmd;
 357
 358     if (!rc) {
 359         fprintf(stderr,"Unknown command '%s'\n",argv[0]);
 360         return 1;
 361     }
 362
 363     if ((rc->arity > 0 && argc != rc->arity) ||
 364         (rc->arity < 0 && argc < -rc->arity)) {
 365             fprintf(stderr,"Wrong number of arguments for '%s'\n",rc->name);
 366             return 1;
 367     }
 368     if (!strcasecmp(rc->name,"monitor")) config.monitor_mode = 1;
 369     if (!strcasecmp(rc->name,"subscribe") ||
 370         !strcasecmp(rc->name,"psubscribe")) config.pubsub_mode = 1;
 371     if ((fd = cliConnect()) == -1) return 1;
 372
 373     /* Select db number */
 374     retval = selectDb(fd);
 375     if (retval) {
 376         fprintf(stderr,"Error setting DB num\n");
 377         return 1;
 378     }
 379
 380     while(repeat--) {
 381         /* Build the command to send */
 382         cmd = sdsempty();
 383         if (rc->flags & REDIS_CMD_MULTIBULK) {
 384             cmd = sdscatprintf(cmd,"*%d\r\n",argc);
 385             for (j = 0; j < argc; j++) {
 386                 cmd = sdscatprintf(cmd,"$%lu\r\n",
 387                     (unsigned long)sdslen(argv[j]));
 388                 cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
 389                 cmd = sdscatlen(cmd,"\r\n",2);
 390             }
 391         } else {
 392             for (j = 0; j < argc; j++) {
 393                 if (j != 0) cmd = sdscat(cmd," ");
 394                 if (j == argc-1 && rc->flags & REDIS_CMD_BULK) {
 395                     cmd = sdscatprintf(cmd,"%lu",
 396                         (unsigned long)sdslen(argv[j]));
 397                 } else {
 398                     cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
 399                 }
 400             }
 401             cmd = sdscat(cmd,"\r\n");
 402             if (rc->flags & REDIS_CMD_BULK) {
 403                 cmd = sdscatlen(cmd,argv[argc-1],sdslen(argv[argc-1]));
 404                 cmd = sdscatlen(cmd,"\r\n",2);
 405             }
 406         }
 407         anetWrite(fd,cmd,sdslen(cmd));
 408         sdsfree(cmd);
 409
 410         while (config.monitor_mode) {
 411             cliReadSingleLineReply(fd,0);
 412         }
 413
 414         if (config.pubsub_mode) {
 415             printf("Reading messages... (press Ctrl-c to quit)\n");
 416             while (1) {
 417                 cliReadReply(fd);
 418                 printf("\n");
 419             }
 420         }
 421
 422         retval = cliReadReply(fd);
 423         if (retval) {
 424             return retval;
 425         }
 426     }
 427     return 0;
 428 }
 429
 430 static int parseOptions(int argc, char **argv) {
 431     int i;
 432
 433     for (i = 1; i < argc; i++) {
 434         int lastarg = i==argc-1;
 435
 436         if (!strcmp(argv[i],"-h") && !lastarg) {
 437             char *ip = zmalloc(32);
 438             if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) {
 439                 printf("Can't resolve %s\n", argv[i]);
 440                 exit(1);
 441             }
 442             config.hostip = ip;
 443             i++;
 444         } else if (!strcmp(argv[i],"-h") && lastarg) {
 445             usage();
 446         } else if (!strcmp(argv[i],"-p") && !lastarg) {
 447             config.hostport = atoi(argv[i+1]);
 448             i++;
 449         } else if (!strcmp(argv[i],"-r") && !lastarg) {
 450             config.repeat = strtoll(argv[i+1],NULL,10);
 451             i++;
 452         } else if (!strcmp(argv[i],"-n") && !lastarg) {
 453             config.dbnum = atoi(argv[i+1]);
 454             i++;
 455         } else if (!strcmp(argv[i],"-a") && !lastarg) {
 456             config.auth = argv[i+1];
 457             i++;
 458         } else if (!strcmp(argv[i],"-i")) {
 459             config.interactive = 1;
 460         } else {
 461             break;
 462         }
 463     }
 464     return i;
 465 }
 466
 467 static sds readArgFromStdin(void) {
 468     char buf[1024];
 469     sds arg = sdsempty();
 470
 471     while(1) {
 472         int nread = read(fileno(stdin),buf,1024);
 473
 474         if (nread == 0) break;
 475         else if (nread == -1) {
 476             perror("Reading from standard input");
 477             exit(1);
 478         }
 479         arg = sdscatlen(arg,buf,nread);
 480     }
 481     return arg;
 482 }
 483
 484 static void usage() {
 485     fprintf(stderr, "usage: redis-cli [-h host] [-p port] [-a authpw] [-r repeat_times] [-n db_num] [-i] cmd arg1 arg2 arg3 ... argN\n");
 486     fprintf(stderr, "usage: echo \"argN\" | redis-cli [-h host] [-a authpw] [-p port] [-r repeat_times] [-n db_num] cmd arg1 arg2 ... arg(N-1)\n");
 487     fprintf(stderr, "\nIf a pipe from standard input is detected this data is used as last argument.\n\n");
 488     fprintf(stderr, "example: cat /etc/passwd | redis-cli set my_passwd\n");
 489     fprintf(stderr, "example: redis-cli get my_passwd\n");
 490     fprintf(stderr, "example: redis-cli -r 100 lpush mylist x\n");
 491     fprintf(stderr, "\nRun in interactive mode: redis-cli -i or just don't pass any command\n");
 492     exit(1);
 493 }
 494
 495 /* Turn the plain C strings into Sds strings */
 496 static char **convertToSds(int count, char** args) {
 497   int j;
 498   char **sds = zmalloc(sizeof(char*)*count+1);
 499
 500   for(j = 0; j < count; j++)
 501     sds[j] = sdsnew(args[j]);
 502
 503   return sds;
 504 }
 505
 506 static char **splitArguments(char *line, int *argc) {
 507     char *p = line;
 508     char *current = NULL;
 509     char **vector = NULL;
 510
 511     *argc = 0;
 512     while(1) {
 513         /* skip blanks */
 514         while(*p && isspace(*p)) p++;
 515         if (*p) {
 516             /* get a token */
 517             int inq=0; /* set to 1 if we are in "quotes" */
 518             int done = 0;
 519
 520             if (current == NULL) current = sdsempty();
 521             while(!done) {
 522                 if (inq) {
 523                     if (*p == '\\' && *(p+1)) {
 524                         char c;
 525
 526                         p++;
 527                         switch(*p) {
 528                         case 'n': c = '\n'; break;
 529                         case 'r': c = '\r'; break;
 530                         case 't': c = '\t'; break;
 531                         case 'b': c = '\b'; break;
 532                         case 'a': c = '\a'; break;
 533                         default: c = *p; break;
 534                         }
 535                         current = sdscatlen(current,&c,1);
 536                     } else if (*p == '"') {
 537                         done = 1;
 538                     } else {
 539                         current = sdscatlen(current,p,1);
 540                     }
 541                 } else {
 542                     switch(*p) {
 543                     case ' ':
 544                     case '\n':
 545                     case '\r':
 546                     case '\t':
 547                     case '\0':
 548                         done=1;
 549                         break;
 550                     case '"':
 551                         inq=1;
 552                         break;
 553                     default:
 554                         current = sdscatlen(current,p,1);
 555                         break;
 556                     }
 557                 }
 558                 if (*p) p++;
 559             }
 560             /* add the token to the vector */
 561             vector = zrealloc(vector,((*argc)+1)*sizeof(char*));
 562             vector[*argc] = current;
 563             (*argc)++;
 564             current = NULL;
 565         } else {
 566             return vector;
 567         }
 568     }
 569 }
 570
 571 #define LINE_BUFLEN 4096
 572 static void repl() {
 573     int argc, j;
 574     char *line, **argv;
 575
 576     while((line = linenoise("redis> ")) != NULL) {
 577         if (line[0] != '\0') {
 578             argv = splitArguments(line,&argc);
 579             linenoiseHistoryAdd(line);
 580             if (argc > 0) {
 581                 if (strcasecmp(argv[0],"quit") == 0 ||
 582                     strcasecmp(argv[0],"exit") == 0)
 583                         exit(0);
 584                 else
 585                     cliSendCommand(argc, argv, 1);
 586             }
 587             /* Free the argument vector */
 588             for (j = 0; j < argc; j++)
 589                 sdsfree(argv[j]);
 590             free(argv);
 591         }
 592         /* linenoise() returns malloc-ed lines like readline() */
 593         free(line);
 594     }
 595     exit(0);
 596 }
 597
 598 int main(int argc, char **argv) {
 599     int firstarg;
 600     char **argvcopy;
 601     struct redisCommand *rc;
 602
 603     config.hostip = "127.0.0.1";
 604     config.hostport = 6379;
 605     config.repeat = 1;
 606     config.dbnum = 0;
 607     config.interactive = 0;
 608     config.monitor_mode = 0;
 609     config.pubsub_mode = 0;
 610     config.auth = NULL;
 611
 612     firstarg = parseOptions(argc,argv);
 613     argc -= firstarg;
 614     argv += firstarg;
 615
 616     if (config.auth != NULL) {
 617         char *authargv[2];
 618
 619         authargv[0] = "AUTH";
 620         authargv[1] = config.auth;
 621         cliSendCommand(2, convertToSds(2, authargv), 1);
 622     }
 623
 624     if (argc == 0 || config.interactive == 1) repl();
 625
 626     argvcopy = convertToSds(argc, argv);
 627
 628     /* Read the last argument from stdandard input if needed */
 629     if ((rc = lookupCommand(argv[0])) != NULL) {
 630       if (rc->arity > 0 && argc == rc->arity-1) {
 631         sds lastarg = readArgFromStdin();
 632         argvcopy[argc] = lastarg;
 633         argc++;
 634       }
 635     }
 636
 637     return cliSendCommand(argc, argvcopy, config.repeat);
 638 }