私はこのスキームの有用性に疑問を抱かなければなりませんが、私はこのように緩くてガタガタするのではなく、期待が満たされないときに大声で文句を言うシステムを好む傾向があります。次のスクリプトはあなたが望むことをするだろうと思います。
動作理論：すべてを事前に読み取り、出力をすべて一挙に出力します。
ファイルに名前を付けると仮定して、のinjectorように呼び出しますinjector input.conf super.conf。
#!/usr/bin/env awk -f
#
# Expects to be called with two files. First is the content to inject,
# second is the file to inject into.
FNR == 1 {
# This switches from "read replacement content" to "read template"
# at the boundary between reading the first and second files. This
# will of course do something suprising if you pass more than two
# files.
readReplacement = !readReplacement;
}
# Read a line of replacement content.
readReplacement {
rCount++;
replacement[rCount] = $0;
next;
}
# Read a line of template content.
{
tCount++;
template[tCount] = $0;
}
# Note the beginning of the replacement area.
/^#blockbegin$/ {
beginAt = tCount;
}
# Note the end of the replacement area.
/^#blockend$/ {
endAt = tCount;
}
# Finished reading everything. Process it all.
END {
if (beginAt && endAt) {
# Both beginning and ending markers were found; replace what's
# in the middle of them.
emitTemplate(1, beginAt);
emitReplacement();
emitTemplate(endAt, tCount);
} else {
# Didn't find both markers; just append.
emitTemplate(1, tCount);
emitReplacement();
}
}
# Emit the indicated portion of the template to stdout.
function emitTemplate(from, to) {
for (i = from; i <= to; i++) {
print template[i];
}
}
# Emit the replacement text to stdout.
function emitReplacement() {
for (i = 1; i <= rCount; i++) {
print replacement[i];
}
}