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Top Forums UNIX for Advanced & Expert Users Trying to use sed to remove last FF from file Post 302885034 by ziggy6 on Thursday 23rd of January 2014 07:56:12 AM
Old 01-23-2014
Trying to use sed to remove last FF from file

I have a script that I am trying to apply on files that have form feeds between pages but I am trying to replace the last form feed, with carriage return so that when I convert it to a PDF file it won't generate a blank page.

My script looks like this
Code:
sed '$ s/\^L/\^M/' invoice.txt >invoice.dat

My file looks like this, keep in mind some files have more than one page so I have to only remove the last form feed.

Code:
^M^M^[[51t^M^M       ABC COMPANY                             ABC SHIPPING COMPAN
Y            ^M
       123 BAKER STREET                        123 DOCK STREET                 ^
M
       ANYTOWN USA 99999                       ANYTOWN USA 08277               ^
M
                                                                               ^
M
^M
                                                                        PAGE   1
^M
^M
  155 498  MS                          07:43 AM     J  08/01/13 01/23/14*C428230
^M
^M
   1       PLA T237          WHITE PRIMER            10.13    6.58     6.58 T
^M
   1       PS  STRAINERS     PAINT SUPPLYS
^M
   1       SEM 39683         GRAY SELF ETC                   20.57    20.57
^M
   1       SEM 39693         ETCH PRIMER                     20.57    20.57
^M
   1       NAS QUART 421-19  SELECTPRIME 2                   22.75    22.75 T
^M
   1       NAS 1/2 PT 483-87 SELECTPRIME A                   15.60    15.60 T
^M
   1       NAS QUART 441-21  MED FB REDUCE                   11.44    11.44 T
^M
   1       NAS 1/2 PT 483-11 FUL-CRYL CAT.                   33.86    33.86 T
^M
   2       PS  MC32          QT MIX CUP                       0.50     1.00 T
^M
   1       DUP M64           DUP. TAC RAG                     1.13     1.13 T
^M
   2       MMM 7447          SCOTCHBRITE                      1.25     2.50 T
^M
   1       PS  UG18          3/4" MASKING                     1.43     1.43 T
^M
   1       PS  PINT CANS     PAINT SUPPLYS
^M
   1       BAT 10U1R         MOWER BATTERY                   43.78    43.78
^M
   1       GAT 6984          FRACT.HP BELT           63.08   37.77    37.77
^M
   1       GAT A100          HEA.DUTY BELT           34.65   20.75    20.75
^M
   1       WIX 42299         WIX AIR FILT.           15.26    9.87     9.87
^M
   1       GAT A100          HEA.DUTY BELT           34.65   20.75    20.75
^M
   1       WIX 51521         WIX OIL FILT.           14.50    8.91     8.91
^M
^M
^M
                                                                     279.26 ^M
                                                                            ^M
                                                                       6.74 ^M
                                                                            ^M
                                                                            ^M
                                                                     286.00 ^M^L
^M^M^[[66t^M

My results are as follows in which the last line is completely dropped.

Code:
       ABC COMPANY                             ABC SHIPPING COMPANY
       123 BAKER STREET                        123 DOCK STREET
       ANYTOWN USA 99999                       ANYTOWN USA 08277
 
                                                                        PAGE   1
   155 498  MS                          07:43 AM     J  08/01/13 01/23/14*C428230
    1       PLA T237          WHITE PRIMER            10.13    6.58     6.58 T
   1       PS  STRAINERS     PAINT SUPPLYS
   1       SEM 39683         GRAY SELF ETC                   20.57    20.57
   1       SEM 39693         ETCH PRIMER                     20.57    20.57
   1       NAS QUART 421-19  SELECTPRIME 2                   22.75    22.75 T
   1       NAS 1/2 PT 483-87 SELECTPRIME A                   15.60    15.60 T
   1       NAS QUART 441-21  MED FB REDUCE                   11.44    11.44 T
   1       NAS 1/2 PT 483-11 FUL-CRYL CAT.                   33.86    33.86 T
   2       PS  MC32          QT MIX CUP                       0.50     1.00 T
   1       DUP M64           DUP. TAC RAG                     1.13     1.13 T
   2       MMM 7447          SCOTCHBRITE                      1.25     2.50 T
   1       PS  UG18          3/4" MASKING                     1.43     1.43 T
   1       PS  PINT CANS     PAINT SUPPLYS
   1       BAT 10U1R         MOWER BATTERY                   43.78    43.78
   1       GAT 6984          FRACT.HP BELT           63.08   37.77    37.77
   1       GAT A100          HEA.DUTY BELT           34.65   20.75    20.75
   1       WIX 42299         WIX AIR FILT.           15.26    9.87     9.87
   1       GAT A100          HEA.DUTY BELT           34.65   20.75    20.75
   1       WIX 51521         WIX OIL FILT.           14.50    8.91     8.91
 
                                                                     279.26
                                                                        6.74

 

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