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jonasjancarik/one-liners.md

Last active January 10, 2020 07:02
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Bash/cmd/PS one-liners and other helpful stuff
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one-liners.md

Add BOM to CSV files (to open UTF-8 CSVs correctly in Excel):

sed -i '1s/^\(\xef\xbb\xbf\)\?/\xef\xbb\xbf/' *.csv

To check if a file contains UTF-8 BOM at header:

# hexdump -n 3 -C 2.txt
00000000 ef bb bf

ef bb bf // YES

Convert PNGs to JPGs:

mogrify -format jpg -quality 90 *.png

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