Display a .xls spreadsheet as a table in plaintext

xlsrd

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+#! /usr/bin/env python
+
+# Read and print an excel .xls spreadsheet.
+# Thanks to http://scienceoss.com/read-excel-files-from-python/
+
+import sys, xlrd
+
+def print_sheet(sheetname, sh) :
+    # Gnumeric makes null sheets, with 0 rows and 0 columns.
+    # Guard against division by zero in gnumeric spreadsheets:
+    if not sh or sh.ncols <= 0 :
+        print "Null sheet", sheetname
+        return
+
+    print "===== sheet", sheetname, ": rows", sh.nrows, "cols", sh.ncols
+
+    # set a maximum on any one column.
+    # Ideally this would be smarter,
+    # and would let one long row expand if the rest were shorter.
+    maxlen = 80 / sh.ncols
+
+    # Get max len for each col
+    maxstr = [1] * sh.ncols
+    for rownum in range(sh.nrows) :
+        for colnum in range(sh.ncols) :
+            # Figure out how many characters this cell needs.
+            # This would be easy except for Python's 
+            val = sh.cell(rownum, colnum).value
+
+            # This gets lots of null strings, so filter them out:
+            if not val :
+                continue
+
+            print "type:", type(val), val
+            slen = len(unicode(val))
+            if slen > maxlen : slen = maxlen
+            if slen > maxstr[colnum] :
+                maxstr[colnum] = slen
+
+    fmt = ""
+    for colnum in range(sh.ncols) :
+        fmt += "%%-%ds" % (maxstr[colnum] + 1)
+
+    for rownum in range(sh.nrows) :
+        print fmt % tuple(map(unicode, sh.row_values(rownum)))
+
+for filename in sys.argv[1:] :
+    wb = xlrd.open_workbook(filename)
+    #sh = wb.sheet_by_index(0)
+    for sheetname in wb.sheet_names() :
+        print_sheet(sheetname, wb.sheet_by_name(sheetname))
+