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I am trying to create a shell script, below is a part of which where i am trying to extract some value from a record in a file:

tgt_val=`cat $file_name | grep "$string_name" | cut -d"|" -f$column_no`

This work perfectly when the specified column has some numeric or string value however it fails when th column has value as " * "

eg:

102|Sam|*|USA

This command would work correctly for column 1,2 & 4

However in case of column 3 it gives me output as all the files in present directory.

Someone please help over this.

marked as duplicate by Gilles shell-script Jan 13 '16 at 23:35

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1

What is happening is that somehow the * is being interpreted by the shell. Make sure all extracted fields are always properly quoted.

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