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Stripping of a symbol from string not working properly

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# 1  
Old 03-29-2012
Stripping of a symbol from string not working properly
Hi All,

I used this code to strip-off $-symbol from string values.

Code:
a="$980"
b="897"
a=`echo "$a" | sed 's/$/ /g'`
b=`echo "$b" | sed 's/$/ /g'`
echo "$a"
echo "$b"

but this results in the output:
80 and 897

it works when i use
Code:
a='$987'
b='890'

But I cannot use single-quotes in my actual code as the variable values are extracted as strings and are not constant.

Is there any other command or any fix for this ?
I even used 'tr', even that works similar to sed .
# 2  
Old 03-29-2012
I do not understand the question. How exactly are the values that contain the $-sign assigned to the variables? Can you show us the code where that happens?

By the way a more straightforward way of removing a leading $-sign (if it is always leading when it occurs), would be
Code:
echo "${a#$}"

or
Code:
a=${a#$}

# 3  
Old 03-29-2012
At shell processing at least you need to escape the variable:
Code:
# a="$980"                     
# echo $a
80

Code:
# a="\$980"
# echo $a  
$980

# 4  
Old 03-29-2012
sed
Quote:
Originally Posted by angie1234
Hi All,

I used this code to strip-off $-symbol from string values.

Code:
a="$980"
b="897"
a=`echo "$a" | sed 's/$/ /g'`
b=`echo "$b" | sed 's/$/ /g'`
echo "$a"
echo "$b"

but this results in the output:
80 and 897

it works when i use
Code:
a='$987'
b='890'

But I cannot use single-quotes in my actual code as the variable values are extracted as strings and are not constant.

Is there any other command or any fix for this ?
I even used 'tr', even that works similar to sed .
Try the way Scrutinizer suggested.
The reason behind for sed cmd not working is,
$ - has special meaning in sed( almost in all regex). so you have to put \ before using the special meaning characters.

Code:
a="\$980"
a=`echo "$a" | sed 's/\$/ /g'`

Cheers,
RangaSmilie
# 5  
Old 03-29-2012
Hi Scrutinizer,

$-symbol might not always be the leading character. The string most of the time contains leading spaces.

And sorry I have just posted the code I was working on to test how it works.
This is how the $-values are assigned to the varaiables:
Code:
a=`echo "$line" | cut -f9  -d '"' | cut -c32-41`
a=`echo "$a" | sed 's/$/ /g'`

# 6  
Old 03-29-2012
And could you post one or more examples of a typical "$line" ?
# 7  
Old 03-29-2012
This is an example of $lines:
Code:
111"987"2010-11-21 12:05:41.000"18"A"123"4"2010-11-21 12:06:05.000"                 xxxxxxxxxxx      $62.99    ""
111"654"2010-11-21 12:05:41.000"19"B"456"4"2010-11-21 12:06:05.000"              xxxxxxxxxxxxxxx     $20.00    ""
111"321"2010-11-21 16:41:47.000"27"C"789"6"2010-11-21 16:42:37.000"                 xxxxxxxxxxxx     $20.97    ""
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