From 071b9ccc97eb5bd4b5401b29abdfcea10632741b Mon Sep 17 00:00:00 2001
From: Miguel Rodrigues <miguelangelorodrigues@enta.pt>
Date: Sun, 16 Jul 2023 14:11:42 +0000
Subject: [PATCH 1/4] Zero cache file if path isn't a directory

---
 dfm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dfm b/dfm
index 22416df..c41eccd 100755
--- a/dfm
+++ b/dfm
@@ -315,6 +315,8 @@ parse_opts() {
 		target="$(realpath -s "$target")"
 		PWD="$target"
 	else
+        # Zero out cache file.
+        [ "$restore" = true -a -s "$cache_file" ] && > "$cache_file"
 		printf '%s\n' "$PROGRAM_NAME: \`$target\` is not a directory." >&2
 		exit 2
 	fi

From 74d3c752a680135f94c5ff96f7660d924e93c31e Mon Sep 17 00:00:00 2001
From: Miguel Rodrigues <miguelangelorodrigues@enta.pt>
Date: Wed, 23 Aug 2023 21:01:10 +0000
Subject: [PATCH 2/4] fixes wildcard path restore and simplifies code

---
 dfm | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/dfm b/dfm
index c41eccd..86566cd 100755
--- a/dfm
+++ b/dfm
@@ -56,6 +56,7 @@ prompt_base() {
 	slash() { printf '%s' "$target/$sel" | rev | cut -b 1-2; }
 	check() { file -E "$@" | grep "(No such file or directory)$"; }
 	fullcmd() {
+        printf '%s\n' "$PWD" > "$cache_file"
 		printf '%s' "$target" | sed -e "s/'/'\\\\''/g;s/\(.*\)/'\1'/" | cmd
 	}
 
@@ -70,11 +71,7 @@ prompt_base() {
 		# Exit if the user presses Escape, Control-C, etc.
 		exit_code=$?
 		if [ "$exit_code" -ne 0 ]; then
-            if [ -f "$target" ]; then
-                printf '%s\n' "$(dirname "$(realpath -s "$target")")" > "$cache_file"
-            else
-                printf '%s\n' "$target" > "$cache_file"
-            fi
+            printf '%s\n' "$target" > "$cache_file"
 			exit $exit_code
 		fi
 
@@ -108,12 +105,6 @@ prompt_base() {
 			newt="$sel"
 		fi
 
-        if [ -f "$newt" ]; then
-            printf '%s\n' "$(dirname "$(realpath -s "$newt")")" > "$cache_file"
-        else
-            printf '%s\n' "$newt" > "$cache_file"
-        fi
-
 		# If the current working directory is not empty
 		if [ $(ls | wc -l) -ge 1 ]; then
 			target="$newt"

From e29344d22b91c3baf4365a03d07d93cc50f200d0 Mon Sep 17 00:00:00 2001
From: Miguel Rodrigues <miguelangelorodrigues@enta.pt>
Date: Wed, 23 Aug 2023 21:15:04 +0000
Subject: [PATCH 3/4] fix tabs

---
 dfm | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/dfm b/dfm
index 86566cd..82d2f22 100755
--- a/dfm
+++ b/dfm
@@ -56,7 +56,7 @@ prompt_base() {
 	slash() { printf '%s' "$target/$sel" | rev | cut -b 1-2; }
 	check() { file -E "$@" | grep "(No such file or directory)$"; }
 	fullcmd() {
-        printf '%s\n' "$PWD" > "$cache_file"
+		printf '%s\n' "$PWD" > "$cache_file"
 		printf '%s' "$target" | sed -e "s/'/'\\\\''/g;s/\(.*\)/'\1'/" | cmd
 	}
 
@@ -71,7 +71,7 @@ prompt_base() {
 		# Exit if the user presses Escape, Control-C, etc.
 		exit_code=$?
 		if [ "$exit_code" -ne 0 ]; then
-            printf '%s\n' "$target" > "$cache_file"
+			printf '%s\n' "$target" > "$cache_file"
 			exit $exit_code
 		fi
 
@@ -306,8 +306,8 @@ parse_opts() {
 		target="$(realpath -s "$target")"
 		PWD="$target"
 	else
-        # Zero out cache file.
-        [ "$restore" = true -a -s "$cache_file" ] && > "$cache_file"
+		# Zero out cache file.
+		[ "$restore" = true -a -s "$cache_file" ] && > "$cache_file"
 		printf '%s\n' "$PROGRAM_NAME: \`$target\` is not a directory." >&2
 		exit 2
 	fi

From 54583755587e49bd799c6b335e105fa05497600d Mon Sep 17 00:00:00 2001
From: Miguel Rodrigues <miguelangelorodrigues@enta.pt>
Date: Fri, 25 Aug 2023 20:52:12 +0000
Subject: [PATCH 4/4] Add option to open shell.

Type '$' and press 'Enter' to do so. Must be run with -o flag.
If there are files with '$' escape like so '\$' to open shell.
---
 dfm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dfm b/dfm
index 82d2f22..cc32790 100755
--- a/dfm
+++ b/dfm
@@ -138,6 +138,13 @@ prompt_base() {
 					fullcmd
 					exit
 				fi
+			# Target is a dollar sign, open TERMINAL
+			elif [ $(printf '%s' "$sel" | grep '\$' | wc -l) -gt 0 -a\
+				"$open" = true ]
+						then
+							exec $TERMINAL -- sh -c "cd '$PWD'; exec $SHELL" &> /dev/null &
+							printf '%s\n' "$PWD" > "$cache_file"
+							exit
 			# Target is a directory
 			else
 				PWD="$target"