在unix中删除/替换并发双引号

Question

如何替代重复的双引号？ 例如，下面的行

"I need help with ""Unix"" scripting"

需要更改为

"I need help with 'Unix' scripting"

即代替＆＃34;＆＃34;用＆＃39;

Answer 1

使用sed：

$ var='"I need help with ""Unix"" scripting"'
$ echo $var
"I need help with ""Unix"" scripting"
$ echo $var | sed 's/""/'"'"'/g'
"I need help with 'Unix' scripting"