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Hi, i have a file with numbers in it and i was wondering if there's a script i could use to find the max number and have that printed to a new file?

example a.txt

18
26
47
34
27

so...

Hi,

I am a newbie to unix/shell scripting and i have a question on how to parse a txt file using perl in a sh script. I have a txt file that contains hundreds of lines with data like this....
...