Created
January 15, 2019 14:15
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| #!/bin/bash | |
| set -u | |
| # ---------------------------------------------------------- | |
| # Helpers | |
| function html() { | |
| contents="none" | |
| case $1 in | |
| ok) | |
| contents="<div class='content'><img src=$2></div>" | |
| ;; | |
| error) | |
| shift | |
| contents="<div class='error'>$*</div>" | |
| ;; | |
| esac | |
| cat <<EOF | |
| <html> | |
| <style> | |
| * { | |
| font-family: courier; | |
| } | |
| body { | |
| margin: 0; | |
| } | |
| .error { | |
| font-size: 32px; | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| width: 100vw; | |
| height: 100vh; | |
| background: pink | |
| } | |
| </style> | |
| <body> | |
| ${contents} | |
| </body> | |
| </html> | |
| EOF | |
| } | |
| # ---------------------------------------------------------- | |
| # Main | |
| readonly dot_file=$1 | |
| readonly svg_file=${dot_file/%.dot/.svg} | |
| readonly out=$2 | |
| readonly error=`mktemp` | |
| rm -f $out | |
| trap "{ rm -f $error; }" EXIT | |
| exec > $out | |
| exec 2> $error | |
| dot -Nfontname=courier -Efontname=courier -Tsvg -o $svg_file $dot_file | |
| if [[ $? != 0 || -s $error ]] | |
| then | |
| html error $(cat $error) | |
| exit 1 | |
| fi | |
| echo $svg_file | |
| html ok $svg_file |
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