sed fails with unknown option to s error

Question

I m trying to use     sed -i -e  s   seb          ftp login template      ftp dir      however I get this error     sed  -e expression  1  char 34  unknown option to  s       I don t understand why since this works perfectly     sed -i -e  s   wbspassword         wbspassword       password       user conf      Any ideas as to what I m doing wrong      Could this be the problem       ftp login template    user    password  24 86    var  lib  clit   user   downloads   bin  false

User · Answer

sdfxcvbn xcb nbsp asdfghgfdsa

User · Answer

The problem is with slashes  your variable contains them and the final command will be something like sed  s string path to something g   containing way too many slashes     Since sed can take any char as delimiter  without having to declare the new delimiter   you can try using another one that doesn t appear in your replacement string     replacement   my path   sed --expression  s pattern  replacement        Note that this is not bullet proof  if the replacement string later contains   it will break for the same reason  and any backslash sequences like  1 will still be interpreted according to sed rules  Using   as a delimiter is also a nice option as it is similar in readability to

[sed] sed fails with "unknown option to `s'" error

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