Let’s say I have a text file with lines like these:
foo 10
bar 15
bar 5
foo 30
...
What’s the simplest way to generate the following output:
foo 40
bar 20
?
Let’s say I have a text file with lines like these: foo 10 bar
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Let’s say I have a text file with lines like these:
foo 10
bar 15
bar 5
foo 30
...
What’s the simplest way to generate the following output:
foo 40
bar 20
?
This will do:
For more information, read on Awk’s associative arrays.