Replacing string from variable with sed: unknown option to `s’

Sed is great command to use. I was writing some bash script and I needed to replace some strings in file with string saved in variable.

sed “s/string1/$string2/g; s/string3/$string4/g”  $CFGFILE

When executed, script was returning this error:

[root@vincentvega]# ./myscript
sed: -e expression #1, char 14: unknown option to `s'

After googling around for a while I figured out that / was causing the problem. So I replaced / with | and now works fine. I think that you can also use some other char than | if you want.

sed “s|string1|$string2|g; s|string3|$string4|g”  $CFGFILE

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Was really helpfull… Thanks

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