mirror of
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42 lines
885 B
Bash
42 lines
885 B
Bash
# shellcheck shell=dash
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# vim: ft=sh
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# substitute replaces all occurances of one string with another in the provided
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# file, writing to the specified output file.
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substitute() {
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local input="$1"
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local output="$2"
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shift 2
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# TODO: real parsing
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local search="$1"
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local replace="$2"
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#-v RS="$(printf "\0")" \
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awk \
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-v srch="$search" \
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-v repl="$replace" \
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-v RS="" \
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-v ORS="" \
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'{ gsub(srch, repl, $0); print $0 }' \
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< "$input" > "$output"
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}
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# substituteInPlace works like substitute but operates in-place on the provided
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# file
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substituteInPlace() {
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local fpath="$1"
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shift
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local tmpfile
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tmpfile="$(mktemp)"
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if ! substitute "$fpath" "$tmpfile" "$@"; then
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rm "$tmpfile"
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return $?
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fi
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# Overwrite now that we've succeeded
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mv "$tmpfile" "$fpath"
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}
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