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January 24, 2022 13:22
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DataGrip extractor for txt file with fixed length columns
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SEPARATOR = "|" | |
SPACE = " " | |
CORNER = "+" | |
LINE = "-" | |
NEWLINE = System.getProperty("line.separator") | |
def outRecord(columnLengths, row, separator=SEPARATOR, padding=SPACE) { | |
OUT.append(separator) | |
[columnLengths, row].transpose().each { size, value -> | |
OUT.append(padding + value.padRight(size, padding) + padding + separator) | |
}; | |
OUT.append(NEWLINE) | |
} | |
if (!TRANSPOSED) { | |
COLUMN_NAMES = COLUMNS.collect { col -> col.name() } | |
def formattedRows = ROWS.collect { row -> COLUMNS.collect { col -> FORMATTER.format(row, col) } } | |
def columnLengths = formattedRows.inject(COLUMN_NAMES.collect { col -> col.size() }, { columnLengths, row -> | |
[columnLengths, row.collect { it.length() }].transpose().collect { collectedSize, size -> Math.max(collectedSize, size) } | |
}) | |
// OUTPUT | |
// HEADER | |
outRecord(columnLengths, COLUMNS.collect { '' }, CORNER, LINE) | |
outRecord(columnLengths, COLUMN_NAMES) | |
outRecord(columnLengths, COLUMNS.collect { '' }, CORNER, LINE) | |
formattedRows.each { row -> outRecord(columnLengths, row) } | |
outRecord(columnLengths, COLUMNS.collect { '' }, CORNER, LINE) | |
} else { | |
def formattedRows = COLUMNS.collect { col -> new ArrayList<String>([col.name()]) } | |
ROWS.each { row -> COLUMNS.eachWithIndex { col, i -> formattedRows[i].add(FORMATTER.format(row, col)) } } | |
def columnLengths = (0..formattedRows[0].size-1).collect { idx -> formattedRows.inject(0, { collectedSize, row -> Math.max(collectedSize, row[idx].length()) } ) } | |
// OUTPUT | |
outRecord(columnLengths, COLUMNS.collect { '' }, CORNER, LINE) | |
formattedRows.each { row -> outRecord(columnLengths, row) } | |
outRecord(columnLengths, COLUMNS.collect { '' }, CORNER, LINE) | |
} |
Exactly what I wanted, despite this limitation. Thanks for taking the time to post this!
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Will not work well for huge output as it's not streaming, it needs to go over all the results first to determine the max size of each column