34 lines
1.1 KiB
Bash
Executable File
34 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Print out escape sequences usable for coloured text on tty.
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printf 'Colour escapes are %s\n' '\e[${value};...;${value}m'
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printf 'Values 30..37 are \e[33mforeground colours\e[m\n'
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printf 'Values 40..47 are \e[43mbackground colours\e[m\n'
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printf 'Value 1 gives a \e[1mbold look\e[m\n'
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printf 'Value 2 gives a \e[2mdim look\e[m\n'
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printf 'Value 3 gives a \e[3mitalic look\e[m\n'
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printf 'Value 4 gives a \e[4munderlined look\e[m\n'
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printf 'Value 5 gives a \e[5mblinking look\e[m\n\n'
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# foreground colours
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for fgc in {30..37}; do
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# background colours
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for bgc in {40..47}; do
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fgc=${fgc#37} # white
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bgc=${bgc#40} # black
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vals="${fgc:+$fgc;}${bgc}"
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vals=${vals%%;}
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seq0="${vals:+\e[${vals}m}"
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printf " %-9s" "${seq0:-(default)}"
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echo -e -n " ${seq0}TEXT\e[m"
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echo -e -n " \e[${vals:+${vals+$vals;}}1mBOLD\e[m"
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echo -e -n " \e[${vals:+${vals+$vals;}}2mDIM\e[m"
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echo -e -n " \e[${vals:+${vals+$vals;}}3mITA\e[m"
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echo -e -n " \e[${vals:+${vals+$vals;}}4mUND\e[m"
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echo -e -n " \e[${vals:+${vals+$vals;}}5mBLI\e[m"
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done
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echo; echo
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done
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