How to remove leading and trailing spaces from a linux variable

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I have variable named tablename and it has leading and trailing spaces (for eg tablename= yyy ). I want to remove the leading and trailing spaces (OUTPUT : tablename=yyy) and write this variable to file without any space using shell script









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    I have variable named tablename and it has leading and trailing spaces (for eg tablename= yyy ). I want to remove the leading and trailing spaces (OUTPUT : tablename=yyy) and write this variable to file without any space using shell script









    share























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have variable named tablename and it has leading and trailing spaces (for eg tablename= yyy ). I want to remove the leading and trailing spaces (OUTPUT : tablename=yyy) and write this variable to file without any space using shell script









      share













      I have variable named tablename and it has leading and trailing spaces (for eg tablename= yyy ). I want to remove the leading and trailing spaces (OUTPUT : tablename=yyy) and write this variable to file without any space using shell script







      shell-script shell





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      asked 5 mins ago









      Chai

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