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Escape chars in replacement string #47

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Escape chars in replacement string #47

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9ab238b
Escape chars in replacement string
billz Mar 8, 2025
a8ae29a
Use ^$key= in grep to prevent partial matches
billz Mar 8, 2025
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16 changes: 9 additions & 7 deletions env-setup.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -114,16 +114,18 @@ function replace_in_conf() {
val=$2
path=$3

old="$key"=".*"
new="$key"="$val"
# Escape special characters in the replacement string
escaped=$(echo "$val" | sed 's/[&/\]/\\&/g')

if [ -z "$(grep "$old" $path)" ]
then
old="$key=.*"
new="$key=$escaped"

if ! grep -q "^$key=" "$path"; then
# Add value
echo $new >> $path
echo "$new" >> "$path"
else
# Value exists in conf
sudo sed -i "s/$old/$new/g" $path
# Replace existing value safely
sudo sed -i "s|^$old|$new|" "$path"
fi
}

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