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Command-line shell enhancements: Reorganize the "usage" comment so that

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options are in alphabetical order.  Add the new "--cmd" option.  Allow
either "--option" or "-option" for options.

FossilOrigin-Name: 9497893b1b9219eac4ec2183bd90b4e4b860d9fe
This commit is contained in:
drh
2012-02-07 14:13:50 +00:00
parent 3fb757b487
commit cc3b4f8c55
3 changed files with 51 additions and 27 deletions
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64
src/shell.c
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@@ -2704,29 +2704,30 @@ static int process_sqliterc(
** Show available command line options
*/
static const char zOptions[] =
" -help show this message\n"
" -init filename read/process named file\n"
" -echo print commands before execution\n"
" -[no]header turn headers on or off\n"
" -bail stop after hitting an error\n"
" -interactive force interactive I/O\n"
" -batch force batch I/O\n"
" -column set output mode to 'column'\n"
" -cmd command run \"command\" before reading stdin\n"
" -csv set output mode to 'csv'\n"
" -echo print commands before execution\n"
" -init filename read/process named file\n"
" -[no]header turn headers on or off\n"
" -help show this message\n"
" -html set output mode to HTML\n"
" -interactive force interactive I/O\n"
" -line set output mode to 'line'\n"
" -list set output mode to 'list'\n"
#ifdef SQLITE_ENABLE_MULTIPLEX
" -multiplex enable the multiplexor VFS\n"
#endif
" -nullvalue 'text' set text string for NULL values\n"
" -separator 'x' set output field separator (|)\n"
" -stats print memory stats before each finalize\n"
" -nullvalue 'text' set text string for NULL values\n"
" -version show SQLite version\n"
" -vfs NAME use NAME as the default VFS\n"
#ifdef SQLITE_ENABLE_VFSTRACE
" -vfstrace enable tracing of all VFS calls\n"
#endif
#ifdef SQLITE_ENABLE_MULTIPLEX
" -multiplex enable the multiplexor VFS\n"
#endif
;
static void usage(int showDetail){
fprintf(stderr,
@@ -2789,19 +2790,22 @@ int main(int argc, char **argv){
char *z;
if( argv[i][0]!='-' ) break;
z = argv[i];
if( z[0]=='-' && z[1]=='-' ) z++;
if( strcmp(argv[i],"-separator")==0 || strcmp(argv[i],"-nullvalue")==0 ){
if( z[1]=='-' ) z++;
if( strcmp(z,"-separator")==0
|| strcmp(z,"-nullvalue")==0
|| strcmp(z,"-cmd")==0
){
i++;
}else if( strcmp(argv[i],"-init")==0 ){
}else if( strcmp(z,"-init")==0 ){
i++;
zInitFile = argv[i];
/* Need to check for batch mode here to so we can avoid printing
** informational messages (like from process_sqliterc) before
** we do the actual processing of arguments later in a second pass.
*/
}else if( strcmp(argv[i],"-batch")==0 ){
}else if( strcmp(z,"-batch")==0 ){
stdin_is_interactive = 0;
}else if( strcmp(argv[i],"-heap")==0 ){
}else if( strcmp(z,"-heap")==0 ){
#if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
int j, c;
const char *zSize;
@@ -2818,7 +2822,7 @@ int main(int argc, char **argv){
sqlite3_config(SQLITE_CONFIG_HEAP, malloc((int)szHeap), (int)szHeap, 64);
#endif
#ifdef SQLITE_ENABLE_VFSTRACE
}else if( strcmp(argv[i],"-vfstrace")==0 ){
}else if( strcmp(z,"-vfstrace")==0 ){
extern int vfstrace_register(
const char *zTraceName,
const char *zOldVfsName,
@@ -2829,11 +2833,11 @@ int main(int argc, char **argv){
vfstrace_register("trace",0,(int(*)(const char*,void*))fputs,stderr,1);
#endif
#ifdef SQLITE_ENABLE_MULTIPLEX
}else if( strcmp(argv[i],"-multiplex")==0 ){
}else if( strcmp(z,"-multiplex")==0 ){
extern int sqlite3_multiple_initialize(const char*,int);
sqlite3_multiplex_initialize(0, 1);
#endif
}else if( strcmp(argv[i],"-vfs")==0 ){
}else if( strcmp(z,"-vfs")==0 ){
sqlite3_vfs *pVfs = sqlite3_vfs_find(argv[++i]);
if( pVfs ){
sqlite3_vfs_register(pVfs, 1);
@@ -2915,7 +2919,8 @@ int main(int argc, char **argv){
}else if( strcmp(z,"-separator")==0 ){
i++;
if(i>=argc){
fprintf(stderr,"%s: Error: missing argument for option: %s\n", Argv0, z);
fprintf(stderr,"%s: Error: missing argument for option: %s\n",
Argv0, z);
fprintf(stderr,"Use -help for a list of options.\n");
return 1;
}
@@ -2924,7 +2929,8 @@ int main(int argc, char **argv){
}else if( strcmp(z,"-nullvalue")==0 ){
i++;
if(i>=argc){
fprintf(stderr,"%s: Error: missing argument for option: %s\n", Argv0, z);
fprintf(stderr,"%s: Error: missing argument for option: %s\n",
Argv0, z);
fprintf(stderr,"Use -help for a list of options.\n");
return 1;
}
@@ -2959,8 +2965,26 @@ int main(int argc, char **argv){
}else if( strcmp(z,"-multiplex")==0 ){
i++;
#endif
}else if( strcmp(z,"-help")==0 || strcmp(z, "--help")==0 ){
}else if( strcmp(z,"-help")==0 ){
usage(1);
}else if( strcmp(z,"-cmd")==0 ){
if( i==argc-1 ) break;
i++;
z = argv[i];
if( z[0]=='.' ){
rc = do_meta_command(z, &data);
if( rc && bail_on_error ) return rc;
}else{
open_db(&data);
rc = shell_exec(data.db, z, shell_callback, &data, &zErrMsg);
if( zErrMsg!=0 ){
fprintf(stderr,"Error: %s\n", zErrMsg);
if( bail_on_error ) return rc!=0 ? rc : 1;
}else if( rc!=0 ){
fprintf(stderr,"Error: unable to process SQL \"%s\"\n", z);
if( bail_on_error ) return rc;
}
}
}else{
fprintf(stderr,"%s: Error: unknown option: %s\n", Argv0, z);
fprintf(stderr,"Use -help for a list of options.\n");