shithub: pplay

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add (s)how command: spawn new pplay with contents of dot

--- a/chunk.c

+++ b/chunk.c

@@ -123,7 +123,7 @@

 	return nc;

 }

 Chunk *

-replicate(Chunk *left, Chunk *right)

+clone(Chunk *left, Chunk *right)

 {

 	Chunk *cl, *c, *nc;

--- a/cmd.c

+++ b/cmd.c

@@ -149,7 +149,7 @@

 		werrstr("paste: no buffer");

 		return -1;

 	}

-	c = replicate(c, c->left);

+	c = clone(c, c->left);

 	if(dot.from == 0 && dot.to == totalsz)

 		return insert(s, c);

 	else

@@ -172,7 +172,7 @@

 	dprint(hold, "cmd/copy %Δ\n", &dot);

 	splitrange(dot.from, dot.to, &left, &right);

-	snarf(replicate(left, right));

+	snarf(clone(left, right));

 	return 0;

 }

@@ -188,7 +188,7 @@

 	dprint(nil, "cmd/cut %Δ\n", &dot);

 	cutrange(dot.from, dot.to, &latch);

 	dprint(latch, "latched\n");

-	snarf(replicate(latch, latch->left));

+	snarf(clone(latch, latch->left));

 	pushop(OPdel, dot.from, dot.from+chunklen(latch)-1, latch);

 	setdot(&dot, nil);

 	return 1;

@@ -364,6 +364,15 @@

 }

 static int

+replicate(char *)

+{

+	static char u[256];

+

+	snprint(u, sizeof u, "<[3=0] window -m %s /fd/3", argv0);

+	return pipeto(u);

+}

+

+static int

 readfrom(char *s)

 {

 	int fd;

@@ -429,6 +438,7 @@

 	case 'p': x = paste(s, nil); break;

 	case 'q': threadexitsall(nil);

 	case 'r': x = readfrom(s); break;

+	case 's': x = replicate(s); break;

 //	case 'U': x = unpop(s); break;

 	case 'u': x = popop(s); break;

 	case 'w': x = writeto(s); break;

--- a/fns.h

+++ b/fns.h

@@ -5,7 +5,7 @@

 void	recalcsize(void);

 void	paranoia(int);

 void	setdot(Dot*, Chunk*);

-Chunk*	replicate(Chunk*, Chunk*);

+Chunk*	clone(Chunk*, Chunk*);

 int	splitrange(usize, usize, Chunk**, Chunk**);

 void	graphfrom(Chunk*);

 Chunk*	inserton(usize, usize, Chunk*, Chunk**);

--- a/pplay.man

+++ b/pplay.man

@@ -164,6 +164,11 @@

 .BI r\  file

 ∗ Read file into dot or at the cursor

 .TP

+.B s

+Show dot by piping it to a new

+.IR pplay (1)

+instance

+.TP

 .B u

 Undo an edit and dot change

 .TP