| 1 | #!/usr/bin/python2.6 |
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| 2 | |
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| 3 | """ |
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| 4 | Read some whitespace separated data from stdin and pretty print it so that |
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| 5 | the columns line up. |
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| 6 | """ |
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| 7 | |
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| 8 | import sys |
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| 9 | |
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| 10 | def main(): |
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| 11 | pad = "\t" |
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| 12 | align = None |
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| 13 | if len( sys.argv ) > 1: |
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| 14 | pad = " " * int( sys.argv[1] ) |
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| 15 | if len( sys.argv ) > 2: |
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| 16 | align = sys.argv[2] |
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| 17 | rows = [ line.split() for line in sys.stdin ] |
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| 18 | print_tabular( rows, pad, align ) |
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| 19 | |
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| 20 | def print_tabular( rows, pad, align=None ): |
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| 21 | if len( rows ) == 0: return "" |
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| 22 | lengths = [ len( col ) for col in rows[ 0 ] ] |
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| 23 | for row in rows[1:]: |
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| 24 | for i in range( 0, len( row ) ): |
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| 25 | lengths[ i ] = max( lengths[ i ], len( row[ i ] ) ) |
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| 26 | rval = "" |
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| 27 | #for i in range( len( rows[0] ) ): |
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| 28 | # if align and align[ i ] == "l": |
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| 29 | # rval += str( i ).ljust( lengths[ i ] ) |
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| 30 | # else: |
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| 31 | # rval += str( i ).rjust( lengths[ i ] ) |
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| 32 | # rval += pad |
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| 33 | #print rval |
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| 34 | for row in rows: |
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| 35 | rval = "" |
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| 36 | for i in range( 0, len( row ) ): |
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| 37 | if align and align[ i ] == "l": |
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| 38 | rval += row[ i ].ljust( lengths[ i ] ) |
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| 39 | else: |
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| 40 | rval += row[ i ].rjust( lengths[ i ] ) |
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| 41 | rval += pad |
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| 42 | print rval |
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| 43 | |
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| 44 | main() |
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