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Fallback to using awk for line length on systems without 'wc -L'

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Dylan 2016-01-28 00:26:35 +11:00
parent 6382f49afe
commit 2ed270b4da
1 changed files with 6 additions and 2 deletions
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@ -21,7 +21,7 @@
# Speed up script by not using unicode
export LC_ALL=C
export LANG=C
export LANG=c
export LANGUAGE=C
@ -1204,7 +1204,11 @@ getshuffle () {
getascii () {
# Get length of longest line
length="$(wc -L < "$ascii")"
length="$(wc -L 2>/dev/null < "$ascii")"
# Fallback to using awk on systems without 'wc -L'
[ -z "$length" ] && \
length="$(LC_ALL="en_US.UTF8" awk 'length>max{max=length}END{print max}' "$ascii")"
# Set the text padding
padding="\033[$((length + gap))C"