docs/hide-empty-rows.sh

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#!/usr/bin/env bash
# strip empty rows from HTML output tables. Max width 10 columns.
# |hide-empty-rows| must be present in corresponding rst file.
. $(pwd)/_utils.sh
if [[ -z ${utils_loaded+x} ]]; then echo "Could not load utilities"; exit 1; fi
if [ "$#" -ne 1 ]; then
error "Usage: $0 <htmlPath>"
elif [[ ! -e "$1" ]]; then
error "$0: Directory \"$1\" not found"
fi
declare htmlPath=$1
declare flag="post-build-hide-empty-table-rows"
declare td="\n*<td>[\n\s]*</td>\n*"
declare td_p=${td}
message "Cleaning up empty table rows in flagged files"
declare flagged_files=( $(grep -rl --include="*.html" "${flag}" ${htmlPath}) )
for _html in ${flagged_files[@]}; do
confirmation "... $_html"
sed -i -E -e ':a;N;$!ba;s/\n(<\/tr>)/\1/g' ${_html}
sed -i -E -e ':a;N;$!ba;s/\n(<td><\/td>+)(<\/tr>)/\1\2/g' ${_html}
# sed has no non-greedy mode
for i in {1..10}; do
sed -i -E "s:^<tr class=(\"row-odd\"|\"row-even\")>${td_p}</tr>::g" ${_html}
td_p="$td_p$td"
done
# sed -i -E "s:^<tr class=\"row-odd\">(<td></td>+)(</tr>):<tr hidden>\1\2:g" ${_html}
done
confirmation "... Done"