Downcase variable names.

* apod-bot.sh: Downcase variable names.

1 files changed, 22 insertions, 22 deletions

diff --git a/apod-bot.sh b/apod-bot.sh
index 4e7085a..67e3a04 100755
--- a/apod-bot.sh
+++ b/apod-bot.sh
@@ -13,46 +13,46 @@
 # processor and pup, the command line HTML processor.
 
 # Settings
-SOCIAL_API_URL=https://social.systemreboot.net/api
-BOT_USERNAME=apod
-BOT_PASSWORD=secret-password-here
+social_api_url=https://social.systemreboot.net/api
+bot_username=apod
+bot_password=secret-password-here
 
-APOD_BASE_URL=https://apod.nasa.gov/apod
+apod_base_url=https://apod.nasa.gov/apod
 
 # Download HTML page, and scrape required information
-APOD_HTML=$(curl -sS $APOD_BASE_URL/astropix.html)
+apod_html=$(curl -sS $apod_base_url/astropix.html)
 
-TITLE=$(echo "$APOD_HTML" | pup 'center:nth-child(2) > b:nth-child(1) text{}' \
+title=$(echo "$apod_html" | pup 'center:nth-child(2) > b:nth-child(1) text{}' \
 	       | sed -e 's/^ *//' -e 's/ *$//')
-IMAGE_LINK=$APOD_BASE_URL/$(echo "$APOD_HTML" | pup -p 'img attr{src}')
-YOUTUBE_VIDEO_ID=$(echo "$APOD_HTML" | pup 'iframe attr{src}' | awk -F/ '{print $5}' | awk -F? '{print $1}')
-YOUTUBE_LINK="https://www.youtube.com/watch?v=$YOUTUBE_VIDEO_ID"
-if [[ -z "$YOUTUBE_VIDEO_ID" ]]
+image_link=$apod_base_url/$(echo "$apod_html" | pup -p 'img attr{src}')
+youtube_video_id=$(echo "$apod_html" | pup 'iframe attr{src}' | awk -F/ '{print $5}' | awk -F? '{print $1}')
+youtube_link="https://www.youtube.com/watch?v=$youtube_video_id"
+if [[ -z "$youtube_video_id" ]]
 then
-    MEDIA_LINK=$IMAGE_LINK
+    media_link=$image_link
 else
-    MEDIA_LINK=$YOUTUBE_LINK
+    media_link=$youtube_link
 fi
-DATE=$(echo "$APOD_HTML" | pup ':contains("Discuss") attr{href}' | awk -F= '{print $2}')
-PAGE_LINK=$APOD_BASE_URL/ap$DATE.html
+date=$(echo "$apod_html" | pup ':contains("Discuss") attr{href}' | awk -F= '{print $2}')
+page_link=$apod_base_url/ap$date.html
 
 # Construct notice
-NOTICE="$TITLE $PAGE_LINK $MEDIA_LINK"
+notice="$title $page_link $media_link"
 
 # Ensure we are not publishing a duplicate notice
-PREVIOUS_NOTICE=$(curl -sSu "$BOT_USERNAME:$BOT_PASSWORD" $SOCIAL_API_URL/statuses/home_timeline.json \
+previous_notice=$(curl -sSu "$bot_username:$bot_password" $social_api_url/statuses/home_timeline.json \
 		      | jq -r '.[0] | .text')
-if [[ "$NOTICE" = "$PREVIOUS_NOTICE" ]]
+if [[ "$notice" = "$previous_notice" ]]
 then
-    echo "Notice \"$NOTICE\" already published. Aborting..." >&2
+    echo "Notice \"$notice\" already published. Aborting..." >&2
     exit 1
 fi
 
 # Check image and page links exist
-wget --spider $MEDIA_LINK
-wget --spider $PAGE_LINK
+wget --spider $media_link
+wget --spider $page_link
 
 # Publish notice
-curl -sSu "$BOT_USERNAME:$BOT_PASSWORD" --data-urlencode "status=$NOTICE" \
-     $SOCIAL_API_URL/statuses/update.json \
+curl -sSu "$bot_username:$bot_password" --data-urlencode "status=$notice" \
+     $social_api_url/statuses/update.json \
     | jq -r '"Published notice \"\(.text)\" on \(.created_at)"'