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fix spacing glitch on newline encounters
+6
-1
+6
-1
shlide
+6
-1
shlide
···
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printf '\e[%s;%sH' "$l" "$c"
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while IFS= read -r line; do
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reduce=0
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# Print the contents of the slide file,
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# line by line.
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printf "%s" "$line"
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case $line in
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"" | *"\n"*)
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((++reduce));;
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esac
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# Move down and back after each print.
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printf '\e[%sD\e[B' "${#line}"
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printf '\e[%sD\e[B' "$((${#line} - $reduce))"
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done <<< "$slide_contents"
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}