From 5cfce76ac1a3219fc30ae3227d1c912dd7122508 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Sat, 29 Sep 2018 15:52:27 -0400
Subject: implement responsive image sizing for mr-worldwide posts (and all
 others going forward)

---
 pic-resize.sh | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100755 pic-resize.sh

(limited to 'pic-resize.sh')

diff --git a/pic-resize.sh b/pic-resize.sh
new file mode 100755
index 0000000..849d395
--- /dev/null
+++ b/pic-resize.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# requires imagemagick and perl-image-exiftool
+
+set -e
+
+widths="500 1000 1500 2000 2500 3000"
+
+for img in $@; do
+    echo $img
+
+    # make target directories
+    dir=$(dirname "$img") # gets directory
+    for targetWidth in $widths; do
+        mkdir -p $dir/${targetWidth}px
+    done
+
+    # get width
+    width=$(identify "$img" | awk '{print $3}' | cut -dx -f1)
+    echo -e "\toriginal width: $width"
+
+    echo -e "\tremoving metadata"
+    exiftool -all= "$img"
+    rm -f "${img}_original" # exiftool makes a copy of the original, delete it
+
+    for targetWidth in $widths; do
+        targetFile=$dir/${targetWidth}px/$(basename "$img")
+        echo -en "\tresizing into $targetFile... "
+        if [ "$targetWidth" -ge "$width" ]; then
+            echo "skipping, original image too small"
+            continue
+        elif [ -e "$targetFile" ]; then
+            echo "skipping, target file exists"
+            continue
+        fi
+        convert "$img" -resize $targetWidth "$targetFile"
+        echo "done"
+    done
+done
-- 
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