diff options
Diffstat (limited to 'pb_colour')
| -rwxr-xr-x | pb_colour | 61 |
1 files changed, 38 insertions, 23 deletions
@@ -1,49 +1,64 @@ #!/usr/bin/env bash -#--- 256 colour functions -# requires pb_number +#--- 88/256 colour functions # usage: # source ./pb # printf %b "$(pb_bg 196)$(pb_fg 254) RED $(pb_nc)\n" -pb_nc() { +pb_ctest() { - if [ -z "$TERM" ] || (($(tput colors) != 256)); then - return 1 + if [ -z "$TERM" ] ; then + return 0 + fi + + case $1 in '' | *[!0-9]* ) return 0;; esac + + local x + x=$(tput colors) + + if [ -z "$1" ] || (("$1" > "$x")) ; then + return 0 fi - printf '\033[0;0m'; - return 0 + return 1 } -pb_fg() { +pb_terminfo() { + local x + x=$(tput colors) + echo "TERM = $TERM : $x colours supported" +} + +pb_nc() { - if [ -z "$TERM" ] || (($(tput colors) != 256)); then + if eval pb_ctest ; then + printf '\033[0;0m' + return 0 + else return 1 - fi + fi +} - if [ -z "$1" ] || (("$1" > 255)) || ! pb_isuint "$1" ; then +pb_fg() { + + if eval pb_ctest ; then + printf %s "\033[38;5;$1m" + return 0 + else return 1 fi - printf %s "\033[38;5;$1m" - return 0 - } pb_bg() { - if [ -z "$TERM" ] || (($(tput colors) != 256)); then + if eval pb_ctest ; then + printf %s "\033[48;5;$1m" + return 0 + else return 1 fi - if [ -z "$1" ] || (("$1" > 255)) || ! pb_isuint "$1" ; then - return 1 - fi - - printf %s "\033[48;5;$1m" - return 0 - } pb_ef() { @@ -65,7 +80,7 @@ pb_ef() { return 0 ;; - "underscore") + "underline") printf %s "\033[4m" return 0 ;; |