added functions

functions/addpaths.fish

@@ -0,0 +1,5 @@
+function addpaths
+    contains -- $argv $fish_user_paths
+       or set -U fish_user_paths $fish_user_paths $argv
+    echo "Updated PATH: $PATH"
+end

functions/findstr.fish

@@ -0,0 +1,10 @@
+function findstr
+    if test (count $argv) -lt 1
+        echo "Usage: findstr <search-string>"
+        return 1
+    end
+
+    set query $argv[1]
+
+    find . -type f -exec grep -Hn "$query" {} \;
+end

functions/removepath.fish

@@ -0,0 +1,8 @@
+function removepath
+    if set -l index (contains -i $argv[1] $PATH)
+        set --erase --universal fish_user_paths[$index]
+        echo "Updated PATH: $PATH"
+    else
+        echo "$argv[1] not found in PATH: $PATH"
+    end
+end

functions/search.fish

@@ -0,0 +1,15 @@
+function search
+    if test (count $argv) -lt 1
+        echo "Usage: search <string> [directory]"
+        return 1
+    end
+
+    set query $argv[1]
+    set dir "."
+
+    if test (count $argv) -ge 2
+        set dir $argv[2]
+    end
+
+    rg "$query" "$dir"
+end