29 lines
551 B
Bash
Executable File
29 lines
551 B
Bash
Executable File
#!/usr/bin/env bash
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# Usage:
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# ./bak [-v] [filename] [filename] ...
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if [ "$#" -eq 0 ]; then
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echo "Usage: $0 [filename] [filename]..."
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exit 1
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fi
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if [ "$1" == "-v" ] || [ "$1" == "--version" ]; then
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echo "what version? this is a tiny little script, sir"
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exit 0
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fi
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if [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
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echo "Usage: $0 [filename] [filename]..."
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exit 0
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fi
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for file in "$@"; do
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if [ -f "$file" ]; then
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cp "$file" "$file.bak"
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echo "Backed up $file to $file.bak"
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else
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echo "file '$file' does not exist"
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fi
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done
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