DIFF command - comp.unix.programmer

I am a unix newbie. I am using the DIFF command to compare two text files. My unix command is diff P_FILE1 P_FILE2 > P_FILE3 I get the results in this format 1c1 < 0000000000000608114104S977 200412012004580000000011391.985SU S977 --- > 0000000000000608114104S977 200412012004580000000001391.985SU S977 7,8c7,8 < 0000000000000608114104S977 200411082004540000000011793.170SU S977 < 0000000000000608111234S977 200411082004540000000011793.170SU S977 --- > 0000000000000608114104S977 200411082004540000000001793.170SU S977 > 0000000000000608114856S977 200411082004540000000001793.170SU S977 How can I exclude the '<', '1c1', '---', '7,8c7,8' information from the output file P_FILE3? Thanks. Ryan

assum.sr@pg.com (Sandy) wrote: # I am a unix newbie. I am using the DIFF command to compare two text # files. My unix command is # diff P_FILE1 P_FILE2 > P_FILE3 # # I get the results in this format # # 1c1 # < 0000000000000608114104S977 200412012004580000000011391.985SU S977 # --- # > 0000000000000608114104S977 200412012004580000000001391.985SU S977 7,8c7,8 # < 0000000000000608114104S977 200411082004540000000011793.170SU S977 # < 0000000000000608111234S977 200411082004540000000011793.170SU S977 # --- # > 0000000000000608114104S977 200411082004540000000001793.170SU S977 # > 0000000000000608114856S977 200411082004540000000001793.170SU S977 # # How can I exclude the '<', '1c1', '---', '7,8c7,8' information from # the output file P_FILE3? Pipe through grep. I'm not sure of the precise syntax, but you can try something like diff P_FILE1 P_FILE2 | egrep '^>' > P_FILE3 -- Derk Gwen http://derkgwen.250free.com/html/index.html If your job was as meaningless as theirs, wouldn't you go crazy too?

You may try 'grep' as this: cat P_FILE3 | grep -v "^<" | grep -v "^---" | grep "^>" "Sandy" <assum.sr@pg.com> wrote in message news:51d71336.0404041519.7233540a@posting.google.com... > I am a unix newbie. I am using the DIFF command to compare two text > files. My unix command is > diff P_FILE1 P_FILE2 > P_FILE3 > > I get the results in this format > > 1c1 > < 0000000000000608114104S977 200412012004580000000011391.985SU S977 > --- > > 0000000000000608114104S977 200412012004580000000001391.985SU S977 7,8c7,8 > < 0000000000000608114104S977 200411082004540000000011793.170SU S977 > < 0000000000000608111234S977 200411082004540000000011793.170SU S977 > --- > > 0000000000000608114104S977 200411082004540000000001793.170SU S977 > > 0000000000000608114856S977 200411082004540000000001793.170SU S977 > > How can I exclude the '<', '1c1', '---', '7,8c7,8' information from > the output file P_FILE3? > Thanks. > Ryan

Sandy <assum.sr@pg.com> wrote: : I am a unix newbie. I am using the DIFF command to compare two text : files. My unix command is : diff P_FILE1 P_FILE2 > P_FILE3 : I get the results in this format : 1c1 : How can I exclude the '<', '1c1', '---', '7,8c7,8' information from : the output file P_FILE3? Try diff -u or comm -- All language designers are arrogant. Goes with the territory... -- Larry Wall

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7/20/2012 3:47:29 AM