feat(bash): preview or edit files with l-functions (#22)

Reviewed-on: https://codeberg.org/vlw/dotfiles/pulls/22

.bash_aliases

@@ -1,23 +1,48 @@
 # Make dir and cd into it
 mkcdir () {
-    mkdir -p -- "$1" &&
-       cd -P -- "$1"
+    mkdir -p -- "$1" && cd -P -- "$1"
 }
 
-# ls -la
-alias l="ls -lh"
-alias ll="ls -lah"
-alias lll="ls -lah | less"
+# Preview contents of a file or list the contents of a directory
+l () {
+    if [ -n "$1" ] ; then
+        less $1
+        return
+    fi
+
+    ls -lh $1
+}
+
+# Preview the contents of a file or list the contents of a directory with hidden files shown
+ll () {
+    if [ -n "$1" ] ; then
+        less $1
+        return
+    fi
+
+    ls -lah $1
+}
+
+# Edit the contents of a file or list the contents of a directory (with hidden files shown) if that file is not found
+lll () {
+    if [ -n "$1" ] ; then
+        nano $1
+        return
+    fi
+
+    ls -lah $1
+}
+
+.. () {
+    cd .. && l
+}
 
-# cd +
 cdl () {
-    cd -P -- "$1" &&
-    l
+    cd -P -- "$1" && l
 }
 
 cdll () {
-    cp -P -- "$1" &&
-    ll
+    cp -P -- "$1" && ll
 }
 
 # Create standard git WIP commit with timestamps