34 lines
708 B
Bash
Executable File
34 lines
708 B
Bash
Executable File
#!/bin/bash
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# This script calculates a sha256sum over all files in a dirextory including its subdirectories
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# Length of the sha256 hash. Adapt when changing hash algorithm
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hashlen=64
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if [[ -z $1 ]]; then
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echo "Usage: $0 <path to folder>"
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exit -1
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fi
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if [[ ! -d "$1" ]]; then
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echo "Specified path: $1 is not a directory"
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exit -2
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fi
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search_dir="$1"
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filelist=()
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while IFS= read -d $'\0' -r file ; do
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filelist=("${filelist[@]}" "$file")
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done < <(find "$search_dir" -type f -print0 | sort -z)
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echo "Found ${#filelist[@]} files"
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# Calculate shasums over all files
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shasum=`for file in "${filelist[@]}"; do
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sha256sum "$file" | head -c $hashlen
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echo ""
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done | sha256sum | sed 's/\s-//'`
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echo "$shasum"
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