[bash sed] vor ersten zeichen und hinter letztes zeichen zeichen einfügen und zlbruch entfernen

 cat in| sed ‘s/^\(.\)/”\1/’|sed ‘s/\(.\)$/\1″/’|tr ‘\n’ ‘ ‘ > indexdl

aus http://sdökjdf wird “http://sdökjdf” (zeilenumbrich wird auch entfernt)

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