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Overview
Comment:The output of the ".dump" command in the CLI quotes newline and carriage-return characters using "char(10)" and "char(13)".
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SHA1: 8b2954dd8376e2de985cf5dedeb6eec32c430505
User & Date: drh 2017-03-11 01:56:41
Context
2017-03-13
18:24
In the output of the ".dump" command in the CLI, quote newline and carriage-return characters using the char() function, so that they do not get eaten by end-of-line processing logic in the OS or in other command-line utilities and/or libraries. check-in: 68f6dc7a user: drh tags: trunk
2017-03-11
01:56
The output of the ".dump" command in the CLI quotes newline and carriage-return characters using "char(10)" and "char(13)". Closed-Leaf check-in: 8b2954dd user: drh tags: string-quoting-dump
00:46
Increase the number of significant digits in floating point literals on ".dump" output from the shell. check-in: 7359fcac user: drh tags: trunk
Changes
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Changes to src/shell.c.

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  raw_printf(out,"X'");
  for(i=0; i<nBlob; i++){ raw_printf(out,"%02x",zBlob[i]&0xff); }
  raw_printf(out,"'");
}

/*
** Output the given string as a quoted string using SQL quoting conventions.



*/
static void output_quoted_string(FILE *out, const char *z){
  int i;
  int nSingle = 0;
  setBinaryMode(out, 1);
  for(i=0; z[i]; i++){
    if( z[i]=='\'' ) nSingle++;
  }
  if( nSingle==0 ){
    utf8_printf(out,"'%s'",z);
  }else{
    raw_printf(out,"'");


    while( *z ){

      for(i=0; z[i] && z[i]!='\''; i++){}
      if( i==0 ){


        raw_printf(out,"''");
        z++;
      }else if( z[i]=='\'' ){


        utf8_printf(out,"%.*s''",i,z);
        z += i+1;
      }else{



        utf8_printf(out,"%s",z);







        break;
      }




    }


    raw_printf(out,"'");
  }
  setTextMode(out, 1);
}

/*
** Output the given string as a quoted according to C or TCL quoting rules.
*/







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  raw_printf(out,"X'");
  for(i=0; i<nBlob; i++){ raw_printf(out,"%02x",zBlob[i]&0xff); }
  raw_printf(out,"'");
}

/*
** Output the given string as a quoted string using SQL quoting conventions.
**
** The "\n" and "\r" characters are converted to char(10) and char(13)
** to prevent them from being transformed by end-of-line translators.
*/
static void output_quoted_string(FILE *out, const char *z){
  int i;
  char c;
  setBinaryMode(out, 1);
  for(i=0; (c = z[i])!=0 && c!='\'' && c!='\n' && c!='\r'; i++){}


  if( c==0 ){
    utf8_printf(out,"'%s'",z);
  }else{

    int inQuote = 0;
    int bStarted = 0;
    while( *z ){
      for(i=0; (c = z[i])!=0 && c!='\n' && c!='\r' && c!='\''; i++){}
      if( c=='\'' ) i++;
      if( i ){
        if( !inQuote ){
          if( bStarted ) raw_printf(out, "||");
          raw_printf(out, "'");


          inQuote = 1;
        }
        utf8_printf(out, "%.*s", i, z);
        z += i;

        bStarted = 1;
      }
      if( c=='\'' ){
        raw_printf(out, "'");
        continue;
      }
      if( inQuote ){
        raw_printf(out, "'");
        inQuote = 0;
      }
      if( c==0 ){
        break;
      }
      for(i=0; (c = z[i])=='\r' || c=='\n'; i++){
        if( bStarted ) raw_printf(out, "||");
        raw_printf(out, "char(%d)", c);
        bStarted = 1;
      }
      z += i;
    }
    if( inQuote ) raw_printf(out, "'");
  }
  setTextMode(out, 1);
}

/*
** Output the given string as a quoted according to C or TCL quoting rules.
*/