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August 8, 2024 03:04
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[ARCH LINUX PACMAN] print the sorted date and formatted output of pacman -Qei
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| #!/usr/bin/bash | |
| pacman -Qei | grep --color=never -E '^(Name|Install Date)' | awk -F': ' '/^Name/ {name=$2} /^Install Date/ {print $2, name}' | awk ' | |
| BEGIN { | |
| # Define month names for conversion | |
| split("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec", months, " ") | |
| } | |
| { | |
| # Extract the date and time parts | |
| if ($1 ~ /^Mon|Tue|Wed|Thu|Fri|Sat|Sun/) { | |
| day = $2 | |
| month = $3 | |
| year = $4 | |
| time = $5 | |
| ampm = $6 | |
| timezone = $7 | |
| pkgname = $8 | |
| # Convert the month to a number | |
| for (i = 1; i <= 12; i++) { | |
| if (month == months[i]) { | |
| month_num = (i < 10 ? "0" i : i) | |
| break | |
| } | |
| } | |
| # Convert the date to YYYY-MM-DD HH:MM:SS | |
| print year "-" month_num "-" day " " time " " ampm, timezone, pkgname | |
| } | |
| }' | sort |
to find the duplicate: awk -F"'" '{print $2}' /var/log/pacman.log | grep --color=never -E 'pacman -S [^ ]+' | sort | uniq -d
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You can also do the alternative:
grep -E 'pacman -S [^ ]+|asexplicit' /var/log/pacman.logthis alternative address the initial date problem