Put variables into local scope of the function
Forgot to use the local keyword when declaring the variables.
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@ -44,13 +44,13 @@ set -o nounset # Treat unset variables as an error
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function make_working_dir {
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# the directory of the script
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DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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local DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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# the temp directory used, within $DIR
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# omit the -p parameter to create a temporal directory in
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# the default location
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WORK_DIR=`mktemp -d -p "$DIR"`
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local WORK_DIR=`mktemp -d -p "$DIR"`
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# check if tmp dir was created
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if [[ ! "$WORK_DIR" || ! -d "$WORK_DIR" ]]; then
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