17 lines
752 B
Bash
17 lines
752 B
Bash
# if _colors is not already set, if this is running on an interactive
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# terminal (as opposed to in a script), if tput is installed, and if tput
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# knows some color codes, then set _colors to 'yes'.
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{ [ -z "$_colors" ] \
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&& [ -t 1 ] \
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&& [ "$(tput colors 2>/dev/null || echo 0)" -ge 8 ] \
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&& _colors="yes"; } || true # suppress error codes
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_clr="$({ [ "$_colors" = 'yes' ] && tput sgr0; } || echo '')"
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_blu="$({ [ "$_colors" = 'yes' ] && tput setaf 6; } || echo '')"
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_ylw="$({ [ "$_colors" = 'yes' ] && tput setaf 3; } || echo '')"
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_red="$({ [ "$_colors" = 'yes' ] && tput setaf 1; } || echo '')"
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log() { [ "$verbose" != 'yes' ] || echo "$_blu[LOG]$_clr $@"; }
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wrn() { echo "$_ylw[WRN]$_clr $@" >&2; }
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err() { echo "$_red[ERR]$_clr $@" >&2; exit 1; }
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