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Remove only specific char on every line when exists

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# 8  
Old 03-19-2013
Not working Smilie it's very strange I think my file it's malformated
# 9  
Old 03-19-2013
Do you have windows control chars in that file, like <CR> at the end of line? Post a few lines of cat -et file output...
# 10  
Old 03-19-2013
Infile

Code:
apoyo@sostén@arbotante
contragolpe@contraofensiva@
contrahacer@falsificar@remedar@
copiar@imitar@adulterar@
contrahecho-cha@deforme@
jorobado@malhecho@estropeado@
desproporcionado@
contraindicación@reserva@
recusación@anulación@supresión
contraorden@revocación@
contrapartida@compensación
contrapelo(a)@ensentido
contrapeso@compensación@
equiparación@igualación@
equilibrio@nivelación@

cat -et result

Code:
apoyo@sostM-in@arbotante^M$
contragolpe@contraofensiva@^M$
contrahacer@falsificar@remedar@^M$
copiar@imitar@adulterar@^M$
contrahecho-cha@deforme@^M$
jorobado@malhecho@estropeado@^M$
desproporcionado@^M$
contraindicaciM-sn@reserva@^M$
recusaciM-sn@anulaciM-sn@supresiM-sn^M$
contraorden@revocaciM-sn@^M$
contrapartida@compensaciM-sn^M$
contrapelo(a)@ensentido^M$
contrapeso@compensaciM-sn@^M$
equiparaciM-sn@igualaciM-sn@^M$
equilibrio@nivelaciM-sn@^M$

Yes, there are some strange chars ^M$

---------- Post updated at 01:43 PM ---------- Previous update was at 01:32 PM ----------

Ok, fixed, I made a little script that read line by line (bad file) and insert on a new file. Then was able to remove last char when exists.
Code:
#!/bin/bash

count=1




while read -r line ; do 

    
 echo $(echo $line) >> clean.txt
       
                 
done < test10

sed 's/@$//' clean.txt >> clean2.txt

Thx
# 11  
Old 03-19-2013
THERE you are! Use Scrutinizer's proposal, slightly extended:
Code:
sed 's/@\r$//' file

Not sure if your sed accepts that \r notation; in bash, try <ctrl>V<ctrl>M, then...
# 12  
Old 03-19-2013
\r would work in GNU sed, but not in regular sed.

With regular sed you could
Code:
sed "s/@$(printf "\r")\$//"

or, knowing that every line ends in \r\n just:
Code:
sed 's/@.$//'
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