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Linux bash tricks and tips

Read all txt files, convert from UCS-2 to UTF-8 and print lines with text:

for f in *.txt; do cat $f | iconv -f UCS-2 -t UTF-8 | grep "Text"; done

Convert picture to 1x1px (average color/color summary) | except blank/empty lines and comments:

convert storm/000020196.png -resize 1x1  txt:- | grep -v '^$\|^\s*\#'

Send voice track to google for convert to text (i think that it doesnt work):

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