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awk: remove obsolete -V and -m flags

both have been removed in onetrueawk as well, with -V
renamed as -version/--version.  for -m, the buffers
are already dynamically grown.

--- a/sys/man/1/awk

+++ b/sys/man/1/awk

@@ -11,14 +11,6 @@

 .B -d

 ]

 [

-.BI -mf

-.I n

-]

-[

-.B -mr

-.I n

-]

-[

 .B -safe

 ]

 [

@@ -87,14 +79,6 @@

 If

 .BR FS

 is null, the input line is split into one field per character.

-.PP

-To compensate for inadequate implementation of storage management,

-the 

-.B -mr

-option can be used to set the maximum size of the input record,

-and the

-.B -mf

-option to set the maximum number of fields.

 .PP

 The

 .B -safe

--- a/sys/src/cmd/awk/main.c

+++ b/sys/src/cmd/awk/main.c

@@ -22,8 +22,6 @@

 THIS SOFTWARE.

 ****************************************************************/

-char	*version = "version 19990602";

-

 #include <u.h>

 #include <libc.h>

 #include <bio.h>

@@ -52,8 +50,7 @@

 void main(int argc, char *argv[])

 {

-	char *fs = nil, *marg;

-	int temp;

+	char *fs = nil;

 	setfcr(getfcr() & ~FPINVAL);

@@ -109,30 +106,10 @@

 			if (argv[1][2] == '\0' && --argc > 1 && isclvar((++argv)[1]))

 				setclvar(argv[1]);

 			break;

-		case 'm':	/* more memory: -mr=record, -mf=fields */

-				/* no longer needed */

-			marg = argv[1];

-			if (argv[1][3])

-				temp = atoi(&argv[1][3]);

-			else {

-				argv++; argc--;

-				temp = atoi(&argv[1][0]);

-			}

-			switch (marg[2]) {

-			case 'r':	recsize = temp; break;

-			case 'f':	nfields = temp; break;

-			default: FATAL("unknown option %s\n", marg);

-			}

-			break;

 		case 'd':

 			dbg = atoi(&argv[1][2]);

 			if (dbg == 0)

 				dbg = 1;

-			print("awk %s\n", version);

-			break;

-		case 'V':	/* added for exptools "standard" */

-			print("awk %s\n", version);

-			exits(0);

 			break;

 		default:

 			WARNING("unknown option %s ignored", argv[1]);

-- 

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