공부
[sh] change variable to value
승가비
2023. 6. 17. 09:20
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a=asdf
FILE="test.txt"
echo "$a 1234 \\n5678" > $FILE
input=$(<$FILE)
output=$(echo $input | sed 's/\$[A-Za-z_][A-Za-z0-9_]*/&/g')
echo "$output" > "$FILE"
cat $FILE
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