You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
19 lines
314 B
19 lines
314 B
#!/bin/bash
|
|
|
|
function usage {
|
|
builtin echo "Usage: $(basename "$0") <REGEX> <STRING> <FILE>"
|
|
}
|
|
|
|
[[ $# -ne 3 ]] && usage && exit 2
|
|
|
|
REGEX=$1
|
|
STRING=$2
|
|
FILE=$3
|
|
|
|
if ! grep -Eq "$REGEX" "$FILE"; then
|
|
builtin echo -e "$STRING" >>"$FILE"
|
|
echo 'appended'
|
|
else
|
|
sed -Ei "s|$REGEX|$STRING|g" "$FILE"
|
|
echo 'replaced'
|
|
fi
|