C++ log-analyzer Projects
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Project mention: Toolong: Terminal application to view, tail, merge, and search log files | news.ycombinator.com | 2024-02-09I'd love to see a tool that lets you modify large files efficiently.
I had to replace line 4 of a 200 GB SQL dump, it took a substantial amount of compute time to perform a find / replace with sed and it also required having over double the disk space since sed creates a temp file before it writes out the new file.
Using a hex editor could have worked but it seemed too risky because data integrity was really important.
There's also some other scenarios where maybe you have a massive file and the tool that's using it (such as a SQL import) throws an error on line 1,025,421. Trying to find what the contents of that line is on the command line could be time consuming if you need to read in the whole file. For read operations I know there's a few graphical tools like https://github.com/variar/klogg that efficiently let you scan, search and jump to points in a file quickly but I haven't found a good one on the command line.
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