Command-line shell enhancements: Added the ".print" command. Enhanced

the ".width" command so that negative widths will right-justify.

FossilOrigin-Name: a1d8269da3868e41a6603c1a683e324fe21fb317

manifest

@@ -1,5 +1,5 @@
-C Consolidate\smore\sof\sthe\sDISTINCT\sprocessing\slogic\sinto\sa\ssingle\sspot\sin\sthe\ncode.\s\sReduce\sthe\snumber\sof\sOP_Column\soperations\sneeded\sto\sperform\sa\nWHERE_DISTINCT_ORDERED.
+C Command-line\sshell\senhancements:\s\sAdded\sthe\s".print"\scommand.\s\sEnhanced\nthe\s".width"\scommand\sso\sthat\snegative\swidths\swill\sright-justify.
-D 2012-09-21T00:04:28.345
+D 2012-09-21T13:40:02.707
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 5f4f26109f9d80829122e0e09f9cda008fa065fb
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -175,7 +175,7 @@ F src/random.c cd4a67b3953b88019f8cd4ccd81394a8ddfaba50
 F src/resolve.c 9e28280ec98035f31900fdd1db01f86f68ca6c32
 F src/rowset.c 64655f1a627c9c212d9ab497899e7424a34222e0
 F src/select.c c2a83ada835d3554a4d724c5358d4475aa7e1e77
-F src/shell.c 87953c5d9c73d9494db97d1607e2e2280418f261
+F src/shell.c f41fbf4c21003a37d69b863d3c3c562a3db180a6
 F src/sqlite.h.in c76c38f9635590ff5844684a7976843878327137
 F src/sqlite3.rc fea433eb0a59f4c9393c8e6d76a6e2596b1fe0c0
 F src/sqlite3ext.h 6904f4aadf976f95241311fbffb00823075d9477
@@ -702,7 +702,7 @@ F test/shared7.test 960760bc8d03e1419e70dea69cf41db62853616e
 F test/shared8.test b27befbefbe7f4517f1d6b7ff8f64a41ec74165d
 F test/shared_err.test 91e26ec4f3fbe07951967955585137e2f18993de
 F test/sharedlock.test ffa0a3c4ac192145b310f1254f8afca4d553eabf
-F test/shell1.test 9895ee3013742a02e5afd8d77793729967ffd195
+F test/shell1.test 272384163432c0efd2c6817396beb0d119565d53
 F test/shell2.test 037d6ad16e873354195d30bb2dc4b5321788154a
 F test/shell3.test 9196c42772d575685e722c92b4b39053c6ebba59
 F test/shell4.test aa4eef8118b412d1a01477a53426ece169ea86a9
@@ -1016,7 +1016,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
 F tool/win/sqlite.vsix 67d8a99aceb56384a81b3f30d6c71743146d2cc9
-P cf40b7b5ebdacc3215d769aadacce8c9e7e9dfbb
+P 79e922f7ae29bbe06d639d648fbd72523cf9a28e
-R d02ff4711c6f63d54e76f1ced6a5b15a
+R e0319168dcbdc9e6aaca1f64320b5398
 U drh
-Z 9a19995b7c09e7ae5080d30ca61a0cd3
+Z e9c67fc218434dfa019e9bea621d5ceb

manifest.uuid

@@ -1 +1 @@
-79e922f7ae29bbe06d639d648fbd72523cf9a28e
+a1d8269da3868e41a6603c1a683e324fe21fb317

src/shell.c

@@ -696,7 +696,7 @@ static int shell_callback(void *pArg, int nArg, char **azArg, char **azCol, int
           }else{
             w = 0;
           }
-          if( w<=0 ){
+          if( w==0 ){
             w = strlen30(azCol[i] ? azCol[i] : "");
             if( w<10 ) w = 10;
             n = strlen30(azArg && azArg[i] ? azArg[i] : p->nullvalue);
@@ -706,7 +706,11 @@ static int shell_callback(void *pArg, int nArg, char **azArg, char **azCol, int
             p->actualWidth[i] = w;
           }
           if( p->showHeader ){
-            fprintf(p->out,"%-*.*s%s",w,w,azCol[i], i==nArg-1 ? "\n": "  ");
+            if( w<0 ){
+              fprintf(p->out,"%*.*s%s",-w,-w,azCol[i], i==nArg-1 ? "\n": "  ");
+            }else{
+              fprintf(p->out,"%-*.*s%s",w,w,azCol[i], i==nArg-1 ? "\n": "  ");
+            }
           }
         }
         if( p->showHeader ){
@@ -714,6 +718,7 @@ static int shell_callback(void *pArg, int nArg, char **azArg, char **azCol, int
             int w;
             if( i<ArraySize(p->actualWidth) ){
                w = p->actualWidth[i];
+               if( w<0 ) w = -w;
             }else{
                w = 10;
             }
@@ -735,8 +740,13 @@ static int shell_callback(void *pArg, int nArg, char **azArg, char **azCol, int
            strlen30(azArg[i])>w ){
           w = strlen30(azArg[i]);
         }
-        fprintf(p->out,"%-*.*s%s",w,w,
+        if( w<0 ){
-            azArg[i] ? azArg[i] : p->nullvalue, i==nArg-1 ? "\n": "  ");
+          fprintf(p->out,"%*.*s%s",-w,-w,
+              azArg[i] ? azArg[i] : p->nullvalue, i==nArg-1 ? "\n": "  ");
+        }else{
+          fprintf(p->out,"%-*.*s%s",w,w,
+              azArg[i] ? azArg[i] : p->nullvalue, i==nArg-1 ? "\n": "  ");
+        }
       }
       break;
     }
@@ -1416,9 +1426,10 @@ static char zHelp[] =
   "                         list     Values delimited by .separator string\n"
   "                         tabs     Tab-separated values\n"
   "                         tcl      TCL list elements\n"
-  ".nullvalue STRING      Print STRING in place of NULL values\n"
+  ".nullvalue STRING      Use STRING in place of NULL values\n"
   ".output FILENAME       Send output to FILENAME\n"
   ".output stdout         Send output to the screen\n"
+  ".print STRING...       Print literal STRING\n"
   ".prompt MAIN CONTINUE  Replace the standard prompts\n"
   ".quit                  Exit this program\n"
   ".read FILENAME         Execute SQL in FILENAME\n"
@@ -2070,6 +2081,15 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     }
   }else
 
+  if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){
+    int i;
+    for(i=1; i<nArg; i++){
+      if( i>1 ) fprintf(p->out, " ");
+      fprintf(p->out, "%s", azArg[i]);
+    }
+    fprintf(p->out, "\n");
+  }else
+
   if( c=='p' && strncmp(azArg[0], "prompt", n)==0 && (nArg==2 || nArg==3)){
     if( nArg >= 2) {
       strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);

test/shell1.test

@@ -680,6 +680,15 @@ do_test shell1-3.26.4 {
   catchcmd "test.db" ".width 1 1"
   # this should be treated the same as a '1' width for col 1 and 2
 } {0 {}}
+do_test shell1-3.26.5 {
+  catchcmd "test.db" ".mode column\n.width 10 -10\nSELECT 'abcdefg', 123456;"
+  # this should be treated the same as a '1' width for col 1 and 2
+} {0 {abcdefg         123456}}
+do_test shell1-3.26.6 {
+  catchcmd "test.db" ".mode column\n.width -10 10\nSELECT 'abcdefg', 123456;"
+  # this should be treated the same as a '1' width for col 1 and 2
+} {0 {   abcdefg  123456    }}
+
 
 # .timer ON|OFF          Turn the CPU timer measurement on or off
 do_test shell1-3.27.1 {
@@ -701,6 +710,10 @@ do_test shell1-3-28.1 {
      ".log stdout\nSELECT coalesce(sqlite_log(123,'hello'),'456');"
 } "0 {(123) hello\n456}"
 
+do_test shell1-3-29.1 {
+  catchcmd "test.db" ".print this is a test"
+} {0 {this is a test}}
+
 # Test the output of the ".dump" command
 #
 do_test shell1-4.1 {