Read the content
$ cat /tmp/ab
1. apple (70 pieces)
2. Orange (94 pieces)
3. Mango (99 pieces)
4. Pineapple (50 pieces)
Read the content and only copy save the numbers only
$ cat /tmp/ab | awk -F'(' '{print $2}' | awk '{print $1}' >/tmp/b
Add the number
$ awk '{total += $1} end { print total}' /tmp/b
313
$ cat /tmp/ab
1. apple (70 pieces)
2. Orange (94 pieces)
3. Mango (99 pieces)
4. Pineapple (50 pieces)
Read the content and only copy save the numbers only
$ cat /tmp/ab | awk -F'(' '{print $2}' | awk '{print $1}' >/tmp/b
Add the number
$ awk '{total += $1} end { print total}' /tmp/b
313
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