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Shell Programming and Scripting
Remove box like special character from end of string
Post 302282984 by quirkasaurus on Monday 2nd of February 2009 10:13:48 AM
02-02-2009
Quote:
Hi,
My requirement is that I store this string in suppose say $string...and compare it with a parameter that is input say $param ...
like
if [ $string = $param ]
then
echo 'True'
else
echo 'False'
fi
This $string is part of header (i.e another big string) which can be treated as a record (line) and this $string appears at the end of line. I fetch it based on positions...for ex: 30 to 60. In case the $string is of length 10 only, 11th character i.e, at position 41 there'll be this box like character (since I'm fetching 30 to 60 into $string). This character doesn't get trimmed. And since this box like character is present my comparision returns 'False' even when it's 'True'.
I have tried things like
string=`echo $string|tr -d '\n'`
and \t, \r, \222,\221---Ascii equivalents...and all that and then thought its not Ascii at all.
Still I couldn't solve this. Please help
My requirement is that I store this string in suppose say $string...and compare it with a parameter that is input say $param ...
like
if [ $string = $param ]
then
echo 'True'
else
echo 'False'
fi
This $string is part of header (i.e another big string) which can be treated as a record (line) and this $string appears at the end of line. I fetch it based on positions...for ex: 30 to 60. In case the $string is of length 10 only, 11th character i.e, at position 41 there'll be this box like character (since I'm fetching 30 to 60 into $string). This character doesn't get trimmed. And since this box like character is present my comparision returns 'False' even when it's 'True'.
I have tried things like
string=`echo $string|tr -d '\n'`
and \t, \r, \222,\221---Ascii equivalents...and all that and then thought its not Ascii at all.
Still I couldn't solve this. Please help
Code:
sed -e 's/[^ -~]//g'
Then your comparisons will work.
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