Replace line in php file with sed from bash

Question

I try to replace some text in a file with the command sed from bash

I want to replace the line :

$app["gentle.root"] = "/home/doc/";

to

$app["gentle.root"] = "/home/exemple/";

I try :

sed -i's/$app["gentle.root"] = "/home/doc/";/$app["gentle.root"] = "/home/exemple/";' /home/martialp/Documents/default.php

But I'm getting this error

sed: -e expression n°1, caractère 7: commande inconnue: `m'

Answer 1

您应该转义特殊符号：

sed -i 's/\$app\[\"gentle.root\"\] = \"\/home\/doc\/\"\;/\$app\[\"gentle.root\"] = \"\/home\/exemple\/\"\;/'  /home/martialp/Documents/default.php

Answer 2

从另一种角度考虑，如果替换行中包含“ /”，建议使用其他字符。

sed '/gentle.root/ s#/home/doc#/home/exemple#' file