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Fix spectrum.sh

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Since spectrum.sh was copied from zsh, the typeset -A used is zsh specific and in bash4, it is declare -A. I've fixed it and I've added a check to error out with a readable message, in red color, to tell the user to upgrade bash.
This commit is contained in:
Chris Tan
2018-03-05 19:41:30 -08:00
committed by GitHub
parent 6f854593e2
commit 260144e2a0
1 changed files with 14 additions and 1 deletions
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15
lib/spectrum.sh
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@@ -3,7 +3,20 @@
# P.C. Shyamshankar <sykora@lucentbeing.com>
# Copied from http://github.com/sykora/etc/blob/master/zsh/functions/spectrum/
typeset -Ag FX FG BG
# typeset in bash does not have associative arrays, declare does in bash 4.0+
# https://stackoverflow.com/a/6047948
_RED='\033[0;31m' # Red Color (For error)
_NC='\033[0m' # No Color (To reset the terminal color)
if [ "${BASH_VERSINFO[0]}" -lt 4 ]; then
echo -e "${_RED}ERROR${_NC}: Sorry, you need at least bash-4.0 to run this script." >&2;
exit 1;
fi
declare -Ag FX FG BG
FX=(
[reset]="%{^[[00m%}"