kopia lustrzana https://github.com/mumble-voip/mumble-docker
38 wiersze
822 B
Bash
Executable File
38 wiersze
822 B
Bash
Executable File
#!/usr/bin/env bash
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# This script can be used to copy the first existing file to the
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# target destination.
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# Thus
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# copy_one_of.sh a b c
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# copies either a or b to c. The first of the target files that
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# exists will be copied. The rest will be ignored.
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set -e
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set -x
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if [[ "$#" < 2 ]]; then
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>&2 echo "Too few arguments - expected at least two"
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exit 1
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fi
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parameters=( "$@" )
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target_file="${parameters[$(( $# - 1))]}"
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found=false
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# Make use of num. of arguments $# to iterate up to the i - 1st argument (last one is destination)
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for i in $(seq 0 $(( $# - 2 )) ); do
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current_file=${parameters[$i]}
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if [[ -f "$current_file" ]]; then
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cp "$current_file" "$target_file"
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found=true
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break
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fi
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done
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if [[ "$found" = "false" ]]; then
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>&2 echo "Did not find any of the source files - nothing was copied"
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exit 1
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fi
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