bin: add line rewrite utility

.local/bin/scripts/ex

@@ -1,6 +1,7 @@
 #!/bin/sh -e
 # ex - archive extractor
 # usage: ex <file>
+# depends: rewrite(in dotfiles)
 for arg do
 	if test -r "$arg"; then
 		path="$(realpath "$arg")"

.local/bin/scripts/rewrite

@@ -0,0 +1,3 @@
+#!/bin/sh
+# Pipe a command into this and each output line will rewrite the previous one
+sed --unbuffered '2,$s|^|\\e[1A\\e[K|' | xargs -d '\n' -L 1 echo -e