39 lines
1.4 KiB
Bash
Executable File
39 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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set -e
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file="$1"
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width="$2"
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colors=(78,78,78 255,108,96 0,170,0 288,288,182 150,203,254 255,115,253 85,255,255 238,238,238 124,124,124 255,155,147 177,253,121 255,255,145 181,220,254 255,156,254 85,255,255 255,255,255)
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args=()
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for i in `seq 0 15`; do
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if test $i -ge 8; then
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color=$((i+8))
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else
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color=$((i))
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fi
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args+=(-fuzz 0% -fill "gray(${color})" -opaque "rgb(${colors[$i]})")
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done
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convert "$file" -resize "${width}x" png:- \
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| convert +dither -remap "$(dirname "$0")/travis-palette.gif" png:- gif:- \
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| convert gif:- "${args[@]}" gif:- \
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| convert gif:- pgm:- \
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| tail -n +4 \
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| hexdump -Cv \
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| sed -n -e 's/^[0-9a-f]* \(\([0-9a-f]\{2\} \?\)\{1,16\}\).*$/\1/p' \
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| tr '\n' ' ' \
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| sed -e 's/ \+/ /g' \
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| fold -w $((width*3)) \
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| while read a && read b; do for i in $a; do echo -n "$i ${b%% *} "; b="${b#* }"; done; echo; done \
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| fold -w $((width*6)) \
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| sed -e 's/\([01]\)\([0-7]\) \([01]\)\([0-7]\) /[\1;3\2;4\4m▀/g' -e 's/$/[m/' \
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| if test "$CI" = "true" -a "$TRAVIS" = "true"; then sed -e 's/▀/"/g'; else cat; fi
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# Using the line below instead of the one above will ensure that the output is
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# printed slow enought that unicode corruption by Travis is unlikely.
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#
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# | if test "$CI" = "true" -a "$TRAVIS" = "true"; then while IFS=$'\n' read -n 11 ab; do if test "${#ab}" -ne 11; then echo "$ab"; else echo -n "$ab"; fi; sleep 0.01; done; else cat; fi
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echo
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