Further improve 1990/jaw/shark.sh

The script now deletes the tarball in the entry's directory.

The README.md file now suggests one use the try.sh script.

1990/jaw/README.md

@@ -38,6 +38,13 @@ echo "Quartz glyph jocks vend, fix, BMW." | compress | ./btoa | ./jaw
 which should apply the identity transformation to a minimal holoalphabetic
 sentence.
 
+
+Also try:
+
+```sh
+./try.sh
+```
+
 ## Judges' remarks:
 
 

1990/jaw/shark.sh

@@ -10,7 +10,7 @@ for i in "${@?${usage?$0 file...}}";do<"$i"||exit;done
 # "Cleverly he dialed from within." -- D. Van Vliet, "Trout Mask Replica"
 #
 PATH=$PATH:.:.. a=atob m=unshark z=zcat
-r="rm -f $a $m* $z" v="cc -Wno-implicit-function-declaration -o $z $m.c"
+r="rm -f $a $m* ../$m.tar $z" v="cc -Wno-implicit-function-declaration -Wno-implicit-int -o $z $m.c"
 trap '$r;exit 1' 1 2 13 15
 echo decoding...
 (:|compress|btoa|./$a|./$z)2>$m>&2||(sed '1,9s/./#define & /
@@ -43,5 +43,5 @@ Z,h@=w;n=8;f=Q+e;i=o=HIo<0)X,1;P(i)WH+1){Iw==Q&e){Z;m=n=8;f=QIH<0)X}
 c=wIw>=f)U++=i,w=oWw>=Q)U++=h@,w=t@;P(i=h@)Wp>D+Q)P(*--p)
 I(w=f)<1l<<k)t@=o,h[f++]=i;o=c}X}
 _
-($v);ln -f $z $a);./$a<<\w>./$m-&&./$z<./$m->./$m;tar xvf ../$m.tar&&$r
+($v);echo 1>&2;ln -f $z $a);./$a<<\w>./$m-&&./$z<./$m->./$m;tar xvf ../$m.tar&&$r
 Z

1990/jaw/try.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 echo "Running shark.sh:"
-sh shark.sh shark.sh README.md jaw.c > receive || exit 1
+sh shark.sh shark.sh README.md jaw.c try.sh > receive || exit 1
 echo "Done."