diff --git a/install.sh b/install.sh
index 32c19a3..fbcaa14 100755
--- a/install.sh
+++ b/install.sh
@@ -6,7 +6,7 @@ cp	floatimg.h 	/usr/local/include
 cp	tools/mkfimg tools/fimg2pnm tools/fimgops 	\
 	tools/fimg2png tools/fimg2tiff tools/fimg2fits	\
 	tools/png2fimg tools/fimgstats tools/fimgfx	\
-	tools/cumulfimgs				\
+	tools/cumulfimgs tools/fimg2text		\
 	/usr/local/bin
 
 cp	v4l2/grabvidseq v4l2/video-infos		\
diff --git a/tools/fimg2png.c b/tools/fimg2png.c
index 154fe53..d38a9aa 100644
--- a/tools/fimg2png.c
+++ b/tools/fimg2png.c
@@ -88,8 +88,9 @@ if (2 != argc-optind) {
 	}
 
 foo = convertir_fimg_en_PNG(argv[optind], argv[optind+1], to_gray);
-if (foo)
+if (foo) {
 	fprintf(stderr, "%s : got a %d from convertor\n", argv[0], foo);
+	}
 
 return 0;
 }
diff --git a/tools/fimg2text.c b/tools/fimg2text.c
index 7108d8f..18f1e1c 100644
--- a/tools/fimg2text.c
+++ b/tools/fimg2text.c
@@ -12,7 +12,7 @@
 int		verbosity;
 
 /* ------------------------------------------------------------------------- */
-int export_as_machinable(FloatImg *src, char *fname, int flags)
+int export_as_machinable(FloatImg *src, char *fname, int steps, int flags)
 {
 FILE		*fp;
 int		x, y, idx;
@@ -32,11 +32,12 @@ if (strcmp("-", fname)) {			/* real file */
 
 idx = 0;
 fp = stdout;					/* XXX */
-for (y=0; y<src->height; y++) {
-	for (x=0; x<src->width; x++) {
+for (y=0; y<src->height; y+=steps) {
+	for (x=0; x<src->width; x+=steps) {
 
-		fprintf(fp, "%d %d %d ", x, y, idx);
-		fprintf(fp, " %f %f %f\n", src->R[idx], src->G[idx], src->B[idx]);
+		fprintf(fp, "%d %d ", x, y);
+		fprintf(fp, " %f %f %f\n",
+				src->R[idx], src->G[idx], src->B[idx]);
 		idx++;
 
 		}
@@ -45,7 +46,7 @@ for (y=0; y<src->height; y++) {
 return 0;
 }
 /* ------------------------------------------------------------------------- */
-int convertir_fimg_en_machinable(char *srcname, char *dstname, int grisaille)
+int convertir_fimg_en_machinable(char *srcname, char *dstname, int steps)
 {
 int		foo, infos[3];
 FloatImg	fimg;
@@ -78,7 +79,7 @@ if (verbosity) {
 	fimg_describe(&fimg, srcname);
 	}
 
-foo = export_as_machinable(&fimg, dstname, 0);
+foo = export_as_machinable(&fimg, dstname, steps, 0);
 
 fimg_destroy(&fimg);
 
@@ -100,11 +101,13 @@ exit(0);
 int main(int argc, char *argv[])
 {
 int		foo, opt;
+int		steps = 16;
 
-while ((opt = getopt(argc, argv, "ghv")) != -1) {
+while ((opt = getopt(argc, argv, "hs:v")) != -1) {
 	switch(opt) {
 		case 'v':	verbosity++;		break;
 		case 'h':	help(1);		exit(1);
+		case 's':	steps = atoi(optarg);	break;
 		}
 	}
 
@@ -113,7 +116,7 @@ if (1 != argc-optind) {
 	exit(1);
 	}
 
-foo = convertir_fimg_en_machinable(argv[optind], "-", 0);
+foo = convertir_fimg_en_machinable(argv[optind], "-", steps);
 if (foo)
 	fprintf(stderr, "%s : got a %d from convertor\n", argv[0], foo);