47 lines
1.1 KiB
Bash
47 lines
1.1 KiB
Bash
substitute() {
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input=$1
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output=$2
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params=("$@")
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sedArgs=()
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for ((n = 2; n < ${#params[*]}; n += 1)); do
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p=${params[$n]}
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if test "$p" = "--replace"; then
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pattern=${params[$((n + 1))]}
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replacement=${params[$((n + 2))]}
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n=$((n + 2))
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sedArgs=("${sedArgs[@]}" "-e" "s^$pattern^$replacement^g")
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fi
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if test "$p" = "--subst-var"; then
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varName=${params[$((n + 1))]}
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n=$((n + 1))
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sedArgs=("${sedArgs[@]}" "-e" "s^@${varName}@^${!varName}^g")
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fi
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if test "$p" = "--subst-var-by"; then
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varName=${params[$((n + 1))]}
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replacement=${params[$((n + 2))]}
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n=$((n + 2))
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sedArgs=("${sedArgs[@]}" "-e" "s^@${varName}@^$replacement^g")
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fi
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done
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sed "${sedArgs[@]}" < "$input" > "$output".tmp
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if test -x "$output"; then
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chmod +x "$output".tmp
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fi
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mv -f "$output".tmp "$output"
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}
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substituteInPlace() {
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fileName="$1"
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shift
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substitute "$fileName" "$fileName" "$@"
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}
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