Shell Programming and Scripting

Products from [16]LG (295)

Products fromLG

$> echo 'Products from [16]LG (295)'| sed 's/[^a-zA-Z ]//g'
Products from LG
$> echo 'Products from LG'| awk '{print $NF}'
LG
# or directly
$> echo 'Products from [16]LG (295)'| sed 's/.*]\([^ ]*\) .*/\1/'
LG

$ a="Products from [16]LG (295)"
$ echo $a | tr -d "([])" | sed 's,[0-9],,g'
Products from LG

[skrynesaver@busybox ~]$ cat file
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: [12]LG(21)
Some random data
Some random data
Some random data
Some random data
Some random data
Products from: [12]Motorola(21)
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
[skrynesaver@busybox ~]$ egrep '^Products from' file|sed s'/Products from\(.\+\)/\1/g'|sed 's/[^[:alpha:]]//g'
LG
Motorola
[skrynesaver@busybox ~]$

sed -n '/Products/ s/Pr.*]\(.*\)(.*/\1/p' inputfile