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Merge pull request #196 from dylanaraps/ascii 

Use awk to get ascii size.
This commit is contained in:
Dylan Araps 2016-03-29 22:41:37 +11:00
parent c9bb5988da feb2a32db1
commit 3a5f63c242
1 changed files with 6 additions and 11 deletions
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@ -1857,16 +1857,11 @@ getascii () {
ascii_strip=${ascii_strip//\\}
# Get length of longest line
length="$(wc -L 2>/dev/null <<< "$ascii_strip")"
ascii_size=($(awk 'END {print NR}length>max{max=length}END{print max}' <<< "$ascii_strip"))
ascii_height=$((${ascii_size[0]} + 1))
ascii_length=${ascii_size[1]}
# Get the height in lines
lines="$(($(wc -l 2>/dev/null <<< "$ascii_strip") + 1))"
# Fallback to using awk on systems without 'wc -L'
[ -z "$length" ] && \
length="$(awk 'length>max{max=length}END{print max}' <<< "$ascii_strip")"
padding="\033[$((length + gap))C"
padding="\033[$((ascii_length + gap))C"
printf "%b%s" "$print"
export LC_ALL=C
@ -2864,9 +2859,9 @@ if [ "$image" != "off" ]; then
[ -z "$info_height" ] && info_height=0
# Set cursor position dynamically based on height of ascii/text.
[ "$lines" -lt "$info_height" ] && lines="$info_height"
[ "$ascii_height" -lt "$info_height" ] && ascii_height="$info_height"
printf "%b%s" "\033[${lines}H\033[${prompt_height}A"
printf "%b%s" "\033[${ascii_height}H\033[${prompt_height}A"
fi
# Re-enable line wrap