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remove non-alphabetic from a match line

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Top Forums Shell Programming and Scripting remove non-alphabetic from a match line
# 8  
Old 12-01-2011
Another way using "tr -cd" to list the characters you want to keep:
Code:
old_string="Products from [16]LG (295)"
new_string=`echo "${old_string}" | tr -cd '[A-Z][a-z][:space:]'`
echo "${new_string}"

Products from LG

# 9  
Old 12-01-2011
yeah, all of them working, but the thing is I don't want just one line of the product name az output, I want something like this:

input:

Code:
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Products from [16]LG (295)
Some random data
Some random data
Some random data
Some random data
Some random data
Products from [18]Sony Ericsson (135)
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data

and the output like this:

Output

Code:
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Products fromLG
Some random data
Some random data
Some random data
Some random data
Some random data
Products fromSony Ericsson
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data
Some random data

So I want the whole file in the output, but the non_alphabetic charecters be removed from the lines that have the pattern "Product from".
# 10  
Old 12-01-2011
Code:
sed '/Products from/ s/[^ [:alpha:]//g' infile

(assuming you also want the spaces preserved, otherwise remove the space after ^)
This User Gave Thanks to CarloM For This Post:
Johanni
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