1 files changed, 19 insertions, 0 deletions
diff --git a/dotfiles/system/.profile.d/dd.sh b/dotfiles/system/.profile.d/dd.sh
new file mode 100644
index 0000000..5390a65
--- /dev/null
+++ b/dotfiles/system/.profile.d/dd.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# dd.sh
+# Craig Jennings <c@cjennings.net>
+# takes input and output files as arguments
+# prints parameters needed for dd
+
+
+dd_with_bs() {
+    OUT_DIR=$(dirname "$2")
+    if [ ! -e "$1" -o ! -e "$OUT_DIR" ]; then
+        echo "$1 or $OUT_DIR doesn't exist"
+        return 1
+    fi
+    IN_BS=$(stat -c "%o" "$1")
+    OUT_BS=$(stat -c "%o" "$OUT_DIR")
+
+    echo dd \"if=$1\" \"of=$2\" \"ibs=$IN_BS\" \"obs=$OUT_BS\"
+}