bash - Linux Shell scripting sed command - 


sed -r -i -e "s/appid/$a/" -e "s/accesstoken/$b/" facebookapi > /script/newapp

by giving command why program not getting executed can solve please ?

sed editor, not shell interpretor. execute sed instruction subistitute s/// not batch or binary of other form (than sed instruction). execution stay @ calling shell level , management (like variable substition between double quote in sed instruction string treated before sed receive full instruction)


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