sam: use default shell command for <, >, | and ! when applicaple

If the shell command is omitted, the last shell command (of any type)
is substituted. The most recently used shell command is stored in a
new register currently named `!`.

1 files changed, 1 insertions, 0 deletions

diff --git a/vis.h b/vis.h
index e3d0812..2506c4a 100644
--- a/vis.h
+++ b/vis.h
@@ -398,6 +398,7 @@ enum VisRegister {
 	VIS_MACRO_REPEAT,        /* copy of the above macro once the recording is finished */
 	VIS_REG_SEARCH,  /* last used search pattern "/ */
 	VIS_REG_COMMAND, /* last used :-command ": */
+	VIS_REG_SHELL, /* last used shell command given to either <, >, |, or ! */
 	VIS_REG_INVALID, /* has to be the last 'real' register */
 	VIS_REG_A, VIS_REG_B, VIS_REG_C, VIS_REG_D, VIS_REG_E,
 	VIS_REG_F, VIS_REG_G, VIS_REG_H, VIS_REG_I, VIS_REG_J,