Rdb: Ruby-Nachbau der MWC /rdb-Werkzeuge

2026-10-11 20:33:17 +02:00
commit a9990169e9
308 changed files with 16738 additions and 0 deletions
@@ -0,0 +1,118 @@
+.TH rename "" "" "/rdb Command"
+.PC "Rename a column"
+\fBrename  [ \fIoldcolumn newcolumn ...\fB ] < \fItableorlist\fR
+.PP
+.II column^rename
+The command
+.B rename
+changes the name of
+.I oldcolumn
+to
+.I newcolumn
+within
+.IR tableorlist .
+You can name on the command line
+as many \fIoldcolumn/newcolumn\fR pairs as you wish.
+.SH Example
+Consider the table
+.BR inventory :
+.DM
+Item#   Amount   Cost     Value Description   
+-----   ------  -----   ------- --------------
+    1        3   5.00     15.00 rubber gloves 
+    2      100   0.50     50.00 test tubes    
+    3        5   8.00     40.00 clamps        
+    4       23   1.98     45.54 plates        
+    5       99   2.45    242.55 cleaning cloth
+    6       89  14.75   1312.75 bunsen burners
+    7        5  175.00   875.00 scales        
+.DE
+.PP
+The command
+.DM
+	rename Amount Qty Description Name < inventory
+.DE
+.PP
+renames
+.B Amount
+to
+.BR Qty ,
+and
+.B Description
+to
+.BR Name .
+The table now appears as follows:
+.DM
+Item#      Qty    Cost    Value Name          
+-----      ---  ------  ------- --------------
+    1        3    5.00    15.00 rubber gloves 
+    2      100    0.50    50.00 test tubes    
+    3        5    8.00    40.00 clamps        
+    4       23    1.98    45.54 plates        
+    5       99    2.45   242.55 cleaning cloth
+    6       89   14.75  1312.75 bunsen burners
+    7        5  175.00   875.00 scales        
+.DE
+.PP
+If you have a list-formatted file, you can also rename the column names.
+For example, consider the list
+.BR maillist :
+.DM
+Number  1
+Name    Ronald McDonald
+Company McDonald's
+Street  123 Mac Attack
+City    Memphis
+State   TENN
+ZIP     30000
+Phone   (111) 222-3333
+.DE
+.DM
+Number  2
+Name    Chiquita  Banana
+Company United Brands
+Street  Uno Avenido de la Reforma
+City    San Jose
+State   Costa Rica
+ZIP     123456789
+Phone   1234
+.DE
+.PP
+The command
+.DM
+	rename Number Num ZIP Zip < maillist
+.DE
+.PP
+changes
+.B Number
+to
+.BR Num ,
+and
+.B ZIP
+to
+.BR Zip .
+The list now appears as follows:
+.DM
+Num     1
+Name    Ronald McDonald
+Company McDonald's
+Street  123 Mac Attack
+City    Memphis
+State   TENN
+Zip     30000
+Phone   (111) 222-3333
+.DE
+.DM
+Num     2
+Name    Chiquita  Banana
+Company United Brands
+Street  Uno Avenido de la Reforma
+City    San Jose
+State   Costa Rica
+Zip     123456789
+Phone   1234
+.DE
+.SH "See Also"
+.B
+column
+.R