linux - Replacing string having forward slash in sed -

i wish replace

x.y.z.zz=/a/b/c/d/

with

x.y.z.zz=/a/b/e/d/

i know x.y.z.zz in advance.i know line number in advance. have tried

sed  "11s/.*/x.y.z.zz=\/a\/b\/e\/d\/" filename

but giving error. there better way directly search , replace string ?

sed replaces using sed 's/pattern/replacement/' syntax. in case, missing last /. saying work:

sed '11s/.*/x.y.z.zz=\/a\/b\/e\/d\//' file                                    ^

however, may cleaner use delimiter, syntax more clear. #? (it can ~, _, etc.):

sed '11s#.*#x.y.z.zz=/a/b/e/d/#' file

$ cat a x.y.z.zz=/a/b/c/d/ b c

let's replace line 2:

$ sed '2s#.*#x.y.z.zz=/a/b/e/d/#' a x.y.z.zz=/a/b/e/d/ b c

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