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Split large mbox file with awk
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| BEGIN{chunk=0} | |
| /^From /{ | |
| msgs++;if(msgs==1000){ | |
| close(("chunk_" chunk ".mbox")i); | |
| msgs=0;chunk++ | |
| } | |
| } | |
| {print > ("chunk_" chunk ".mbox")} |
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awk -f split_mbox.awk <mbox_file>