Initial commit

rotate_all.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Check if an argument is provided
+if [ -z "$1" ]; then
+    echo "Usage: $0 <directory>"
+    exit 1
+fi
+
+# Try to change into the directory, exit on failure
+cd "$1" || { echo "Error: Cannot access directory '$1'"; exit 1; }
+
+# Enable nullglob: if no pdfs exist, the loop won't run once with "*.pdf"
+shopt -s nullglob
+
+for file in *.pdf; do
+    # Rotate to a temporary file
+    if qpdf --rotate=+180 "$file" "temp_rotated.pdf"; then
+        mv "temp_rotated.pdf" "$file"
+        echo "Rotated: $file"
+    else
+        echo "Error processing: $file"
+        # Clean up temp file if pdftk failed but created garbage
+        [ -f "temp_rotated.pdf" ] && rm "temp_rotated.pdf"
+    fi
+done