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Export files from MongoDB GridFS with directory paths
#!/bin/bash
# http://www.vladimirm.com/blog/2011/06/export-files-from-mongodb-gridfs-with-directory-paths/
_host="${1:?Usage: gridfs host db}"
_db="${2:?Usage: gridfs host db}"
while read -r line; do
file=$(echo "$line" | awk -F'\t' '{ print $1 }')
[[ $file == 'connected to'* ]] && continue
directory=${file%/*}
mkdir -p $directory
mongofiles -h $_host -db $_db get $file
done < <(mongofiles -h $_host -db $_db list)
@asm74

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commented Nov 19, 2015

any file with spaces in file name won't be exported. Need to replace $file with "$file"

@uapasha

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commented Dec 20, 2016

For those looking for answer in 2016. For a recent mongo db it is usefull to use someting like this:

#!/bin/bash

_host="${1:?Usage: gridfs host db}"
_db="${2:?Usage: gridfs host db}"
while read -r line; do
    file=$(echo "$line" | awk -F'\t' '{ print $1 }')
    [[ $file == 'connected to'* ]] && continue
    mongofiles -h $_host -d $_db --port 3001 get "$file"
done < <(mongofiles -h $_host -d $_db --port 3001 list)

Besides if you are working with something like meteor collectionFS you can add --prefix=cfs_gridfs.images or similar parameter to mongofiles command strings

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