Skip to content

Instantly share code, notes, and snippets.

@h2rd

h2rd/copyToFat32.sh

Forked from nabilfreeman/copyToFat32.sh
Created May 16, 2020 10:26
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save h2rd/87c0a701aa6596f0085cbe441732c073 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save h2rd/87c0a701aa6596f0085cbe441732c073 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. @nabilfreeman nabilfreeman revised this gist Nov 8, 2018. 1 changed file with 0 additions and 3 deletions.
    3 changes: 0 additions & 3 deletions copyToFat32.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -46,9 +46,6 @@ INPUT_DIR=$(realpath $1)
    OUTPUT_DIR=$(realpath $2)
    PREFIX=$3

    # wipe out the output dir (TODO - is this the safest thing?)
    rm -rf "$OUTPUT_DIR"

    # make sure the output dir exists.
    mkdir -p "$OUTPUT_DIR"

  2. @nabilfreeman nabilfreeman revised this gist Nov 8, 2018. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion copyToFat32.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,6 +1,6 @@
    #!/bin/bash
    # Are you using Mac OS X?
    # You probably need to install a newer version of split for this to work.
    # You need to install coreutils for this to work.
    # try `brew install coreutils`
    # or `sudo port install coreutils`

  3. @nabilfreeman nabilfreeman created this gist Nov 8, 2018.
    103 changes: 103 additions & 0 deletions copyToFat32.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,103 @@
    #!/bin/bash
    # Are you using Mac OS X?
    # You probably need to install a newer version of split for this to work.
    # try `brew install coreutils`
    # or `sudo port install coreutils`

    # set a part size that works with FAT32 drives
    PART_SIZE=3999

    # nice little intro
    echo ""
    echo ""
    echo ""

    echo "F R E E M A N I N D U S T R I E S"
    echo ""
    echo "This script copies a directory in its entirety to a new destination, and automatically splits files greater than 4gb along the way without compression."
    echo ""
    echo "The 3rd argument, prefix, is optional. If left out, files will be outputted as .00, .01."
    echo "Here's an example - specify abc as the prefix, and the result will be .abc00, .abc01."
    echo ""
    echo "I built this to easily copy my PS3 backups to a FAT32 drive."
    echo "For Multiman backups, specify 666 and the split files will be output as .66600, .66601 which Multiman successfully extracts."

    echo ""
    echo ""
    echo ""

    # validate args
    USAGE="Usage: ./copyToFat32 \$INPUT_DIR \$OUTPUT_DIR \$PREFIX"
    if [[ -z "$1" ]]; then
    echo "You're missing \$INPUT_DIR."
    echo $USAGE 1>&2
    echo ""
    exit 1
    fi
    if [[ -z "$2" ]]; then
    echo "You're missing \$OUTPUT_DIR."
    echo $USAGE 1>&2
    echo ""
    exit 1
    fi

    # grab input & output from arguments
    INPUT_DIR=$(realpath $1)
    OUTPUT_DIR=$(realpath $2)
    PREFIX=$3

    # wipe out the output dir (TODO - is this the safest thing?)
    rm -rf "$OUTPUT_DIR"

    # make sure the output dir exists.
    mkdir -p "$OUTPUT_DIR"

    # read through contents of input directory recursively...
    find $INPUT_DIR | while read FILE; do
    echo ""

    # get the relative path by replacing the input directory prefix with a blank string. also replace the initial slash.
    RELATIVE_PATH="$OUTPUT_DIR/${FILE/$INPUT_DIR/}"

    if [[ -d "$FILE" ]]
    then
    # this is a directory, so we create it at the destination.
    mkdir -p "$RELATIVE_PATH"

    echo "📁 Created a directory at $OUTPUT_DIR"
    continue
    fi

    if [[ -f "$FILE" ]]
    then
    # this is a file, so we need to copy it over.
    echo "📂 $FILE"

    # get file size
    FILE_SIZE=$(du -m "$FILE" | cut -f1)

    # if the file is already smaller than the part size, we just need to copy it. splitting isn't necessary.
    if [ "$FILE_SIZE" -le "$PART_SIZE" ]
    then
    echo "📋 This file is small enough to just be copied (${FILE_SIZE}mb)"

    cp "$FILE" "$RELATIVE_PATH"
    fi

    # if the file size is larger than the minimum, then we need to split it into parts.
    if [ "$FILE_SIZE" -gt "$PART_SIZE" ]
    then
    echo "✂️ This file needs to be split into multiple parts (${FILE_SIZE}mb)"

    if command -v gsplit >/dev/null 2>&1; then
    gsplit -b "${PART_SIZE}m" -d "$FILE" "${RELATIVE_PATH}.${PREFIX}"
    else
    split -b "${PART_SIZE}m" -d "$FILE" "${RELATIVE_PATH}.${PREFIX}"
    fi
    fi

    echo "✅ Saved to $RELATIVE_PATH"

    continue
    fi
    done