You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
2.1 KiB
62 lines
2.1 KiB
1 year ago
|
#!/bin/bash
|
||
|
|
|
||
|
|
# A script to generate SQL from PNG images
|
||
|
|
# depends on hexdump and base64
|
||
|
|
|
||
|
|
scriptdir="$(dirname $0)"
|
||
|
|
pngdir="${1:-png_modern}"
|
||
|
|
sqlbasedir="$scriptdir/../../database"
|
||
|
|
imagefile="images.sql"
|
||
|
|
|
||
|
|
imagefile_mysql="$sqlbasedir/mysql/$imagefile"
|
||
|
|
imagefile_pgsql="$sqlbasedir/postgresql/$imagefile"
|
||
|
|
imagefile_sqlite3="$sqlbasedir/sqlite3/$imagefile"
|
||
|
|
imagefile_oracle="$sqlbasedir/oracle/$imagefile"
|
||
|
|
|
||
|
|
oracle_string_max=2048
|
||
|
|
oracle_line_max=15
|
||
|
|
oracle_base64tmp=tmp_b64
|
||
|
|
|
||
|
|
for imagefile in "$imagefile_mysql" "$imagefile_pgsql" "$imagefile_sqlite3" "$imagefile_oracle"; do
|
||
|
|
[[ -s "$imagefile" ]] && {
|
||
|
|
echo "Non-empty $imagefile already exists, stopping"
|
||
|
|
exit 1
|
||
|
|
}
|
||
|
|
done
|
||
|
|
|
||
|
|
echo "Generating SQL files"
|
||
|
|
|
||
|
|
cat images_oracle_start.txt > "$imagefile_oracle"
|
||
|
|
|
||
|
|
imagecount=$(ls $pngdir/*.png | wc -l)
|
||
|
|
|
||
|
|
# TODO: this loop won't work with directory names, containing spaces
|
||
|
|
# using 'find' here seems to be a bit excessive for now
|
||
|
|
for imagefile in $pngdir/*.png; do
|
||
|
|
((imagesdone++))
|
||
|
|
imagename="$(basename "${imagefile%.png}")"
|
||
|
|
image_data=$(hexdump -ve '"" 1/1 "%02X"' "$imagefile")
|
||
|
|
|
||
|
|
# ----- MySQL
|
||
|
|
echo "INSERT INTO \`images\` (\`imageid\`,\`imagetype\`,\`name\`,\`image\`) VALUES ($imagesdone,1,'$imagename',0x$image_data);" >> "$imagefile_mysql"
|
||
|
|
# ----- PostgreSQL
|
||
|
|
echo "INSERT INTO images (imageid,imagetype,name,image) VALUES ($imagesdone,1,'$imagename',decode('$image_data','hex'));" >> "$imagefile_pgsql"
|
||
|
|
# ----- Oracle
|
||
|
|
base64 -w$oracle_string_max "$imagefile" > $oracle_base64tmp
|
||
|
|
split -l$oracle_line_max $oracle_base64tmp $oracle_base64tmp
|
||
|
|
rm -f $oracle_base64tmp
|
||
|
|
echo -e "\tl_clob := EMPTY_CLOB();" >> "$imagefile_oracle"
|
||
|
|
for oracle_imagefile in $oracle_base64tmp*; do
|
||
|
|
echo -e "\tl_clob := l_clob || '$(<$oracle_imagefile)';" >> "$imagefile_oracle"
|
||
|
|
rm -f $oracle_imagefile
|
||
|
|
done
|
||
|
|
echo -e "\tINSERT INTO images VALUES ($imagesdone,1,'$imagename',base64_decode(l_clob));" >> "$imagefile_oracle"
|
||
|
|
# ----- SQLite
|
||
|
|
echo "INSERT INTO images (imageid,imagetype,name,image) VALUES ($imagesdone,1,'$imagename','$image_data');" >> "$imagefile_sqlite3"
|
||
|
|
|
||
|
|
echo -ne "\b\b\b\b$[$imagesdone*100/$imagecount]% "
|
||
|
|
|
||
|
|
done
|
||
|
|
cat images_oracle_end.txt >> "$imagefile_oracle"
|
||
|
|
echo
|