minor changes

trash.sh

@@ -1,18 +1,21 @@
-#!/bin/bash
-# Trash Functions
+#!/usr/bin/env bash
+# Trash Bin Functionss
+# On Github: https://github.com/kimdre/trash.sh
 
-TRASH_DIR="$HOME"/.trash
+TRASH_DIR="$HOME/.trash"
+FILE_PATHS_FILE="$TRASH_DIR/.filepaths"
 
 [ ! -d "$TRASH_DIR" ] && mkdir "$TRASH_DIR"
-FILE_PATHS_FILE="$TRASH_DIR/.filepaths"
 [ ! -f "$FILE_PATHS_FILE" ] && touch "$FILE_PATHS_FILE"
 
 usage() {
   local func_args="$1"
 
   if [[ $func_args == 0 ]];
-    then echo -e "At least one argument required:\ncommand FILE1  DIR2 ..."
-    exit
+    then echo -e "At least one file/directory as argument required:\nExamples: FILE.txt /DIR/FILE.txt SUB_DIR/FILE.* /DIR/* DIR/DIR ..."
+    return 1
+  else
+    return 0
   fi
 }
 
@@ -21,14 +24,14 @@ trash_list() {
 }
 
 trash_put() {
-  usage "$#"
-
+  usage "$#" && {
     for FILE in $@; do
       # Store old filepath for later restore
       echo "$FILE $(readlink -f "$FILE")" >>"$FILE_PATHS_FILE"
     done
     mv -v $* "$TRASH_DIR/"
   }
+}
 
 trash_empty() {
   echo "Delete $(find "$TRASH_DIR" ! -name ".filepaths" | tail -n +2 | wc -l) files in trash"
@@ -36,8 +39,7 @@ trash_empty() {
 }
 
 trash_restore() {
-  usage "$#"
-
+  usage "$#" && {
     for FILE_TO_RESTORE in "$@"; do
       # Get old filepath for restore
       OLD_PATH=$(grep "$FILE_TO_RESTORE" "$FILE_PATHS_FILE" | cut -d ' ' -f2)
@@ -49,10 +51,10 @@ trash_restore() {
       sed -i "/${FILE_TO_RESTORE////\\/}/d" "$FILE_PATHS_FILE"
     done
   }
+}
 
 trash_rm() {
-  usage "$#"
-
+  usage "$#" && {
     for FILE_TO_REMOVE in "$@"; do
       if ! echo "$FILE_TO_REMOVE" | grep "$HOME/.trash"
         then FILEPATH_TO_REMOVE="$HOME/.trash/$FILE_TO_REMOVE"
@@ -65,6 +67,7 @@ trash_rm() {
       fi
    done
   }
+}
 
 alias trash='trash_put'
 alias rm='echo "This is not the command you are looking for. Use \rm instead"; false'