1918 Nobel Prize in Physics Updated 2025-07-16
Max von Laue Updated 2026-08-21
SQLite import CSV from stdin Updated 2025-07-16
mysqldump to CSV Updated 2025-07-16
Ubuntu 21.04 Updated 2025-07-16
SQLite import CSV Updated 2025-07-16
SQL RECURSIVE prevent infinite recursion Updated 2025-07-16
Example under: nodejs/sequelize/raw/tree.js
mysqldump Updated 2025-07-16
Oracle Database Updated 2025-07-16
IBM Db2 Updated 2025-07-16
SQL RECURSIVE query Updated 2025-07-16
Minimal example: nodejs/sequelize/raw/recursive.js
More advanced SQL tree traversal examples: nodejs/sequelize/raw/tree.js
AGI architecture Updated 2025-07-16
bgrep Updated 2025-07-16 grep large binary files Updated 2025-07-16
This is a weak point of grep, it can't handle large lines that don't fit fully into memory:
- superuser.com/questions/1703029/is-there-a-limit-for-a-line-length-for-grep-command-to-process-correctly what is the grep line limit?
- unix.stackexchange.com/questions/223078/best-way-to-grep-big-binary-file/758528#758528 Ciro's
bgrepcanon - large not required but mentioning bgrep anyways:
- superuser.com/questions/1368263/use-grep-for-a-long-line-to-get-the-part-of-the-line/1811969#1811969
- unix.stackexchange.com/questions/217936/equivalent-command-to-grep-binary-files/758544#758544
- stackoverflow.com/questions/2034799/how-to-truncate-long-matching-lines-returned-by-grep-or-ack/77263826#77263826
- stackoverflow.com/questions/9988379/how-to-grep-a-text-file-which-contains-some-binary-data leaving this one alone for now
- stackoverflow.com/questions/65674717/how-to-check-if-a-binary-file-is-contained-inside-another-binary-from-the-linux search pattern from file
csvgrep and select column in csvkit Updated 2025-07-16
There seems to be no way without a pipe, you seem to need to reparse the columns, e.g. the tutorial at: csvkit.readthedocs.io/en/latest/tutorial/2_examining_the_data.html#csvgrep-find-the-data-you-need does:
csvcut -c county,item_name,total_cost data.csv | csvgrep -c county -m LANCASTER csvgrep from csvkit Updated 2025-07-16
Simple example:output:
printf '00,11,22\n33,44,55\n' | csvgrep -H -c2 -r '^11$' | tail -n+200,11,22 Rust library Updated 2025-07-16
pdftk Updated 2025-07-16
Convert bytes to hex from Linux CLI Updated 2025-07-16
- no formatting;
- stackoverflow.com/questions/2614764/how-to-create-a-hex-dump-of-file-containing-only-the-hex-characters-without-spac
- unix.stackexchange.com/questions/10826/shell-how-to-read-the-bytes-of-a-binary-file-and-print-as-hexadecimal/758531#758531
- stackoverflow.com/questions/2003803/show-hexadecimal-numbers-of-a-file/77262369#77262369
- stackoverflow.com/questions/9515007/linux-script-to-convert-byte-data-into-a-hex-string/77262375#77262375
xsv Updated 2025-07-16
Is this the one?
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