From ebe7a6992b69ccb999bf8cf5ae6ace47eac93b4d Mon Sep 17 00:00:00 2001
From: xeruf <27jf@pm.me>
Date: Thu, 25 Nov 2021 14:08:40 +0100
Subject: [PATCH] bin/ex: automatically use subdirectory

---
 .local/bin/scripts/ex | 46 ++++++++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 20 deletions(-)

diff --git a/.local/bin/scripts/ex b/.local/bin/scripts/ex
index 804e153..cbc8e24 100755
--- a/.local/bin/scripts/ex
+++ b/.local/bin/scripts/ex
@@ -1,24 +1,30 @@
-#!/bin/sh
+#!/bin/sh -e
 # ex - archive extractor
 # usage: ex <file>
 for arg do
-  if test -r "$arg"; then
-    case "$arg" in
-      *.tar.bz2)   tar xjf "$arg"   ;;
-      *.tar.*|*.tar) tar --extract --file "$arg";;
-      *.bz2)       bunzip2 "$arg"   ;;
-      *.rar)       unrar x "$arg"   ;;
-      *.gz)        gunzip "$arg"    ;;
-      *.tbz2)      tar xjf "$arg"   ;;
-      *.tgz)       tar xzf "$arg"   ;;
-      *.zip|*.jar) unzip "$arg"     ;;
-      *.Z)         uncompress "$arg";;
-      *.7z)        7z x "$arg"      ;;
-      *.deb)       ar x "$arg"      ;;
-      *.zst)       unzstd "$arg"    ;;
-      *)           echo "'$arg' cannot be extracted by ex" ;;
-    esac
-  else
-    echo "'$1' is not a readable file"
-  fi
+	if test -r "$arg"; then
+		arg="$(realpath "$arg")"
+		name="$(basename "${arg%.*}")"
+		if test "$(ls -U | wc -l)" -gt 2; then
+			mkdir "$name"
+			cd "$name"
+		fi
+		case "$arg" in
+			*.tar.bz2)   tar xjf "$arg"   ;;
+			*.tar.*|*.tar) tar --extract --file "$arg";;
+			*.bz2)       bunzip2 "$arg"   ;;
+			*.rar)       unrar x "$arg"   ;;
+			*.gz)        gunzip "$arg"    ;;
+			*.tbz2)      tar xjf "$arg"   ;;
+			*.tgz)       tar xzf "$arg"   ;;
+			*.zip|*.jar) unzip "$arg"     ;;
+			*.Z)         uncompress "$arg";;
+			*.7z)        7z x "$arg"      ;;
+			*.deb)       ar x "$arg"      ;;
+			*.zst)       unzstd "$arg"    ;;
+			*)           echo "'$arg' cannot be extracted by ex" ;;
+		esac
+	else
+		echo "'$1' is not a readable file"
+	fi
 done