bash cat EOF 写入文件最小示例

这是在 bash 中使用Here document (Heredoc) 将内联字符串写入文件的示例。

bash-cat-eof-to-file-minimal-example.sh

cat <<EOF >/etc/dhcp/dhcpd.conf
authoritative;
default-lease-time 86400;
max-lease-time 86400;

subnet 192.168.99.0 netmask 255.255.255.0 {
  range 192.168.99.100 192.168.99.150;
  option routers 192.168.99.1;
  option domain-name-servers 192.168.99.1;
  option domain-name "local";
}
EOF

cat <<EOF >/etc/dhcp/dhcpd.conf
authoritative;
default-lease-time 86400;
max-lease-time 86400;

subnet 192.168.99.0 netmask 255.255.255.0 {
  range 192.168.99.100 192.168.99.150;
  option routers 192.168.99.1;
  option domain-name-servers 192.168.99.1;
  option domain-name "local";
}
EOF

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