add switch to print command lines instead of paths when in list mode

recall.sh

@@ -17,6 +17,7 @@ LOG_ROOT="$HOME"/.local/var/log/shell # source this
 
 EXIT_SUCCESS=false
 LIST_MODE=false
+CMD_STRING=false
 ORS='\n'
 
 usage () {
@@ -51,10 +52,14 @@ the captured exit status.
     - List paths null delimited for pipe (in case of paths with new line char)
 
       ${0##*/} -l -0 find | xargs -r -0 ls -lahd
+
+    - List last 30 command strings (bash escaped)
+
+      ${0##*/} -lsn 30
 EOF
 }
 
-OPTSTRING=":zhln:0"
+OPTSTRING=":zhln:s0"
 parse_opt () {
 	case "${opt}" in
 		h)
@@ -78,6 +83,9 @@ parse_opt () {
 		z)
 			EXIT_SUCCESS=true
 		;;
+		s)
+			CMD_STRING=true
+		;;
 		0)
 			ORS='\0'
 		;;
@@ -165,6 +173,20 @@ awk_r0_add_prefix () {
 	&& :
 }
 
+awk_r0_add_suffix () {
+	# NOTE: some-string -> some-string<suffix> (null delimited)
+	: "${2?awk_r0_add_suffix requires exactly two positional args}"
+	: "${1:?awk_r0_add_suffix output record separator must be set and non-empty}"
+	[ "${1:+DefinedNotEmpty}" == "DefinedNotEmpty" ]
+	[ "${2+DefinedMaybeEmpty}" == "DefinedMaybeEmpty" ]
+	awk \
+		-v suffix="/$2" \
+		-v RS='\0' \
+		-v ORS="$1" \
+	       '{print $0 suffix}' \
+	&& :
+}
+
 sort_rw0 () {
 	# NOTE: sort by program, or timestamp
 	if [ "$1" = "prog" ]
@@ -185,6 +207,23 @@ sort_rw0 () {
 	fi
 }
 
+list_r0 (){
+	ors="$1"
+	if ! "$CMD_STRING"
+	then
+		awk_rw0_strip_first_path_part \
+		| awk_r0_add_prefix "$ors" "$LOG_ROOT" \
+		&& :
+	else
+		awk_r0_add_suffix '\0' 'info' \
+		| xargs -r0n1 head -n1 \
+		| awk \
+			-v RS='\n' \
+			-v ORS="$ors" \
+			'{print $0}' \
+		&& :
+	fi
+}
 
 if "$LIST_MODE"
 then
@@ -214,8 +253,7 @@ then
 		| sort_rw0 "$sort_opt" \
 		| head -zn "${NUM:--0}" \
 		| fzf_rw0_inplace_preview "2" \
-		| awk_rw0_strip_first_path_part \
-		| awk_r0_add_prefix "$ORS" "$LOG_ROOT" \
+		| list_r0 "$ORS" \
 		&& :
 	)
 else