Index: src/bin/pg_dump/pg_dump.c
===================================================================
RCS file: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v
retrieving revision 1.461
diff -c -c -r1.461 pg_dump.c
*** src/bin/pg_dump/pg_dump.c	19 Mar 2007 23:38:30 -0000	1.461
--- src/bin/pg_dump/pg_dump.c	22 Mar 2007 18:39:53 -0000
***************
*** 476,513 ****
  	}
  
  	/* open the output file */
! 	switch (format[0])
  	{
! 		case 'a':
! 		case 'A':
! 			plainText = 1;
! 			g_fout = CreateArchive(filename, archNull, 0, archModeAppend);
! 			break;
! 			
! 		case 'c':
! 		case 'C':
! 			g_fout = CreateArchive(filename, archCustom, compressLevel, archModeWrite);
! 			break;
! 
! 		case 'f':
! 		case 'F':
! 			g_fout = CreateArchive(filename, archFiles, compressLevel, archModeWrite);
! 			break;
! 
! 		case 'p':
! 		case 'P':
! 			plainText = 1;
! 			g_fout = CreateArchive(filename, archNull, 0, archModeWrite);
! 			break;
! 
! 		case 't':
! 		case 'T':
! 			g_fout = CreateArchive(filename, archTar, compressLevel, archModeWrite);
! 			break;
! 
! 		default:
! 			write_msg(NULL, "invalid output format \"%s\" specified\n", format);
! 			exit(1);
  	}
  
  	if (g_fout == NULL)
--- 476,508 ----
  	}
  
  	/* open the output file */
! 	if (strcasecmp(format, "a") == 0 || strcasecmp(format, "append") == 0)
  	{
! 		/* not documented */
! 		plainText = 1;
! 		g_fout = CreateArchive(filename, archNull, 0, archModeAppend);
! 	}
! 	else if (strcasecmp(format, "c") == 0 || strcasecmp(format, "custom") == 0)
! 		g_fout = CreateArchive(filename, archCustom, compressLevel, archModeWrite);
! 	else if (strcasecmp(format, "f") == 0 || strcasecmp(format, "file") == 0)
! 	{
! 		/*
! 		 *	Dump files into the current directory; for demonstration only, not
! 		 *	documented.
! 		 */
! 		g_fout = CreateArchive(filename, archFiles, compressLevel, archModeWrite);
! 	}
! 	else if (strcasecmp(format, "p") == 0 || strcasecmp(format, "plain") == 0)
! 	{
! 		plainText = 1;
! 		g_fout = CreateArchive(filename, archNull, 0, archModeWrite);
! 	}
! 	else if (strcasecmp(format, "t") == 0 || strcasecmp(format, "tar") == 0)
! 		g_fout = CreateArchive(filename, archTar, compressLevel, archModeWrite);
! 	else
! 	{
! 		write_msg(NULL, "invalid output format \"%s\" specified\n", format);
! 		exit(1);
  	}
  
  	if (g_fout == NULL)