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17 lines
373 B
Bash
17 lines
373 B
Bash
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#!/bin/sh
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# This simply switched the given file(s) with a $filename.bak file if it exists
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# and creates a backup if it doesn't exist
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if [ $# -ge 1 ]; then
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for f in $@
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do
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[ -f "$f.bak" ] && mv "$f.bak" "$f.tmp"
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[ -f "$f" ] && cp -l "$f"{,.bak}
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[ -f "$f.tmp" ] && mv "$f.tmp" "$f"
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done
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else
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echo "No filenames passed."
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exit 1
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fi
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