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log: replace use of literal escape code error with printf %b

This commit is contained in:
Ethan Sommer 2020-01-19 14:35:36 -05:00
parent 935be97f7d
commit 368340f991
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1 changed files with 7 additions and 11 deletions
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@ -15,17 +15,13 @@
log() {
# Print a message prettily.
#
# This function uses the literal escape character (Ctrl+V+Escape) as
# a simple way of *safely* bypassing the escape sequence restrictions
# on 'printf %s'. Cheeky, I know.
#
# '\033[1;32m' Set text to color '2' and make it bold.
# '\033[m': Reset text formatting.
# '${3:-->}': If the 3rd argument is missing, set prefix to '->'.
# '${2:+[1;3Xm}': If the 2nd argument exists, set the text style of '$1'.
# '${2:+[m}': If the 2nd argument exists, reset text formatting.
printf '\033[1;33m%s \033[m%s\033[m %s\n' \
"${3:-->}" "${2:+}$1${2:+}" "$2"
# '\033[1;32m' Set text to color '2' and make it bold.
# '\033[m': Reset text formatting.
# '${3:-->}': If the 3rd argument is missing, set prefix to '->'.
# '${2:+\033[1;3Xm}': If the 2nd argument exists, set text style of '$1'.
# '${2:+\033[m}': If the 2nd argument exists, reset text formatting.
printf '\033[1;33m%s \033[m%b%s\033[m %s\n' \
"${3:-->}" "${2:+\033[1;36m}" "$1" "$2"
}
die() {