Add number option.

.gitignore

@@ -0,0 +1 @@
+tags

README.md

@@ -1,26 +1,18 @@
 Simple Subreddit Image Downloader
 ==========================
-Tired of all of those reddit downloaders which want you to install tons of dependencies and then don't work anyway? Me too.
 
-*Simple Subreddit Image Downloader* is bash script which:
+Simple script downloading images from subreddit. 
-- downloads ALL images from specified subreddit in full size
-- Linux/MacOS/Windows
-- Parallel download
-
-This script just downloads all directly linked images in subreddit. It can also download with a specific sort. For more complex usage, use other reddit image downloader.
 
 Requirements
 ============
-- bash (cygwin is OK)
+- bash
 - wget
 - jq
 
 Usage
 =====
 ```
-./download-subreddit-images.sh <subreddit_name>
+Usage:    ./download-subreddit-images.sh 'subreddit_name' [hot|new|rising|top] [number] [all|year|month|week|day]
-./download-subreddit-images.sh <subreddit_name> <hot|new|rising|top>
+Examples: ./download-subreddit-images.sh starterpacks new 10
-./download-subreddit-images.sh <subreddit_name> top <all|year|month|week|day>
+          ./download-subreddit-images.sh funny top 50 month
 ```
-
-Script downloads images to `<subreddit_name>` folder in current directory. If you want to change that, you need to edit destination in rdit.sh for now.

download-subreddit-images.sh

@@ -1,12 +1,24 @@
 #!/bin/bash
+#
+# download reddit images from subreddit
 
-#cfg
-useragent="Love by u/gadelat"
 timeout=60
 
+usage() { printf "%s" "\
+Usage:    ./download-subreddit-images.sh 'subreddit_name' [hot|new|rising|top|controversial] [number] [all|year|month|week|day]
+Examples: ./download-subreddit-images.sh starterpacks new 10
+          ./download-subreddit-images.sh funny top 50 month
+"; exit 1;
+}
+
 subreddit=$1
 sort=$2
-top_time=$3
+number=$3
+top_time=$4
+
+if [ -z $subreddit ]; then
+    usage
+fi
 
 if [ -z $sort ]; then
     sort="hot"
@@ -16,9 +28,14 @@ if [ -z $top_time ];then
     top_time=""
 fi
 
+if [ -z $number ]; then
+	number=200
+fi
+
 url="https://www.reddit.com/r/$subreddit/$sort/.json?raw_json=1&t=$top_time"
-content=`wget -T $timeout -U "$useragent" -q -O - $url`
+content=$(wget -T $timeout -q -O - $url)
 mkdir -p $subreddit
+i=1
 while : ; do
     urls=$(echo -n "$content" | jq -r '.data.children[]|select(.data.post_hint|test("image")?) | .data.preview.images[0].source.url')
     names=$(echo -n "$content" | jq -r '.data.children[]|select(.data.post_hint|test("image")?) | .data.title')
@@ -26,18 +43,22 @@ while : ; do
     a=1
     wait # prevent spawning too many processes
     for url in $urls; do
-        name=`echo -n "$names"|sed -n "$a"p`
+        name=$(echo -n "$names" | sed -n "$a"p)
-        id=`echo -n "$ids"|sed -n "$a"p`
+        id=$(echo -n "$ids" | sed -n "$a"p)
-        ext=`echo -n "${url##*.}"|cut -d '?' -f 1`
+        ext=$(echo -n "${url##*.}" | cut -d '?' -f 1)
-        newname="$name"_"$subreddit"_$id.$ext
+        newname="$subreddit"_"$sort""$timeframe"_"$(printf "%04d" $i)"_"$name"_$id.$ext
-        echo $name
+        printf "$i/$number : $newname\n"
-        wget -T $timeout -U "$useragent" --no-check-certificate -nv -nc -P down -O "$subreddit/$newname" $url &>/dev/null &
+        wget -T $timeout --no-check-certificate -nv -nc -P down -O "$subreddit/$newname" $url &>/dev/null &
-        a=$(($a+1))
+    	((a=a+1))
+    	((i=i+1))
+		if [ $i -gt $number ] ; then
+			exit 0
+		fi
     done
     after=$(echo -n "$content"| jq -r '.data.after//empty')
     if [ -z $after ]; then
         break
     fi
     url="https://www.reddit.com/r/$subreddit/$sort/.json?count=200&after=$after&raw_json=1&t=$top_time"
-    content=`wget -T $timeout -U "$useragent" --no-check-certificate -q -O - $url`
+    content=`wget -T $timeout --no-check-certificate -q -O - $url`
 done