How to copy the rest of lines of a file to another file












1















I have the string xyz which is a line in file1.txt, I want to copy all the lines after xyz in file1.txt to a new file file2.txt. How can I achieve this?



I know about cat command. But how to specify the starting line?






files grep cat file-copy file-transfer







share|improve this question


















  • 2





    Do you want to include that xyz line or exclude it from being copied ? Also, what happens if you have multiple lines matching xyz ?

    – don_crissti
    1 hour ago






  • 2





    Possible duplicate of How to print all lines after a match up to the end of the file?

    – Kusalananda
    53 mins ago
















1















I have the string xyz which is a line in file1.txt, I want to copy all the lines after xyz in file1.txt to a new file file2.txt. How can I achieve this?



I know about cat command. But how to specify the starting line?






files grep cat file-copy file-transfer







share|improve this question


















  • 2





    Do you want to include that xyz line or exclude it from being copied ? Also, what happens if you have multiple lines matching xyz ?

    – don_crissti
    1 hour ago






  • 2





    Possible duplicate of How to print all lines after a match up to the end of the file?

    – Kusalananda
    53 mins ago














1












1








1


0






I have the string xyz which is a line in file1.txt, I want to copy all the lines after xyz in file1.txt to a new file file2.txt. How can I achieve this?



I know about cat command. But how to specify the starting line?






files grep cat file-copy file-transfer







share|improve this question














I have the string xyz which is a line in file1.txt, I want to copy all the lines after xyz in file1.txt to a new file file2.txt. How can I achieve this?



I know about cat command. But how to specify the starting line?






files grep cat file-copy file-transfer




files grep cat file-copy file-transfer






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 1 hour ago









user9371654user9371654

30117




30117








  • 2





    Do you want to include that xyz line or exclude it from being copied ? Also, what happens if you have multiple lines matching xyz ?

    – don_crissti
    1 hour ago






  • 2





    Possible duplicate of How to print all lines after a match up to the end of the file?

    – Kusalananda
    53 mins ago














  • 2





    Do you want to include that xyz line or exclude it from being copied ? Also, what happens if you have multiple lines matching xyz ?

    – don_crissti
    1 hour ago






  • 2





    Possible duplicate of How to print all lines after a match up to the end of the file?

    – Kusalananda
    53 mins ago








2




2





Do you want to include that xyz line or exclude it from being copied ? Also, what happens if you have multiple lines matching xyz ?

– don_crissti
1 hour ago





Do you want to include that xyz line or exclude it from being copied ? Also, what happens if you have multiple lines matching xyz ?

– don_crissti
1 hour ago




2




2





Possible duplicate of How to print all lines after a match up to the end of the file?

– Kusalananda
53 mins ago





Possible duplicate of How to print all lines after a match up to the end of the file?

– Kusalananda
53 mins ago










4 Answers
4






active

oldest

votes


















2














Using GNU sed



To copy all lines after xyz, try:



sed '0,/xyz/d' file1.txt >file2.txt


1,/xyz/ specifies a range of lines starting with the first and ending with the first occurrence of a line matching xyz. d tells sed to delete those lines.



Note: For BSD/MacOS sed, one can use sed '1,/xyz/d' file1.txt >file2.txt but this only works if the first appearance of xyz is in the second line or later. (Hat tip: kusalananda.)



Example



Consider this test file:



$ cat file1.txt

a

b

xyz

c

d


Run our command:



$ sed '1,/xyz/d' file1.txt >file2.txt

$ cat file2.txt

c

d


Using awk



The same logic can used with awk:



awk 'NR==1,/xyz/{next} 1' file1.txt >file2.txt


NR==1,/xyz/{next} tells awk to skip over all lines from the first (NR==1) to the first line matching the regex xyz. 1 tells awk to print any remaining lines.






share|improve this answer





















  • 1





    Note that the sed command will fail if xyz is found on the first line of the file.

    – Kusalananda
    52 mins ago











  • @Kusalananda Thanks. Answer updated to include a GNU sed solution instead.

    – John1024
    44 mins ago











  • The proper way to do this (portably) with sed is shown in mikeserv's answer to the duplicate Q.

    – don_crissti
    41 mins ago













  • @don_crissti Are you referring to this answer? If so, it does not work for me. This is because sed, as currently written, like many other utilities, does not read in a line at a time; it reads in a buffer-full at a time.

    – John1024
    28 mins ago





















0














$ sed -n '/xyz/,$p' file.txt > file2.txt


With -n we prevent sed to print every line. With $ means end of file end p stands for print line. So /xyz/$p means: If a line matches xyz print it until the end of the file.






share|improve this answer
























  • This would also print the line matching xyz, not from the line after.

    – Kusalananda
    51 mins ago



















0














There is also csplit :



csplit -s file1.txt %xyz%1





share|improve this answer































    0














    With ed:



    ed -s file.txt <<< $'/xyz/+1,$w file2.txt'


    This sends one (ranged) command to ed: from the line after (+1) the one containing xyz until the end of the file ($), write those lines to file2.txt.






    share|improve this answer























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      4 Answers
      4






      active

      oldest

      votes








      4 Answers
      4






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      2














      Using GNU sed



      To copy all lines after xyz, try:



      sed '0,/xyz/d' file1.txt >file2.txt


      1,/xyz/ specifies a range of lines starting with the first and ending with the first occurrence of a line matching xyz. d tells sed to delete those lines.



      Note: For BSD/MacOS sed, one can use sed '1,/xyz/d' file1.txt >file2.txt but this only works if the first appearance of xyz is in the second line or later. (Hat tip: kusalananda.)



      Example



      Consider this test file:



      $ cat file1.txt
      
a
      
b
      
xyz
      
c
      
d


      Run our command:



      $ sed '1,/xyz/d' file1.txt >file2.txt
      
$ cat file2.txt
      
c
      
d


      Using awk



      The same logic can used with awk:



      awk 'NR==1,/xyz/{next} 1' file1.txt >file2.txt


      NR==1,/xyz/{next} tells awk to skip over all lines from the first (NR==1) to the first line matching the regex xyz. 1 tells awk to print any remaining lines.






      share|improve this answer





















      • 1





        Note that the sed command will fail if xyz is found on the first line of the file.

        – Kusalananda
        52 mins ago











      • @Kusalananda Thanks. Answer updated to include a GNU sed solution instead.

        – John1024
        44 mins ago











      • The proper way to do this (portably) with sed is shown in mikeserv's answer to the duplicate Q.

        – don_crissti
        41 mins ago













      • @don_crissti Are you referring to this answer? If so, it does not work for me. This is because sed, as currently written, like many other utilities, does not read in a line at a time; it reads in a buffer-full at a time.

        – John1024
        28 mins ago


















      2














      Using GNU sed



      To copy all lines after xyz, try:



      sed '0,/xyz/d' file1.txt >file2.txt


      1,/xyz/ specifies a range of lines starting with the first and ending with the first occurrence of a line matching xyz. d tells sed to delete those lines.



      Note: For BSD/MacOS sed, one can use sed '1,/xyz/d' file1.txt >file2.txt but this only works if the first appearance of xyz is in the second line or later. (Hat tip: kusalananda.)



      Example



      Consider this test file:



      $ cat file1.txt
      
a
      
b
      
xyz
      
c
      
d


      Run our command:



      $ sed '1,/xyz/d' file1.txt >file2.txt
      
$ cat file2.txt
      
c
      
d


      Using awk



      The same logic can used with awk:



      awk 'NR==1,/xyz/{next} 1' file1.txt >file2.txt


      NR==1,/xyz/{next} tells awk to skip over all lines from the first (NR==1) to the first line matching the regex xyz. 1 tells awk to print any remaining lines.






      share|improve this answer





















      • 1





        Note that the sed command will fail if xyz is found on the first line of the file.

        – Kusalananda
        52 mins ago











      • @Kusalananda Thanks. Answer updated to include a GNU sed solution instead.

        – John1024
        44 mins ago











      • The proper way to do this (portably) with sed is shown in mikeserv's answer to the duplicate Q.

        – don_crissti
        41 mins ago













      • @don_crissti Are you referring to this answer? If so, it does not work for me. This is because sed, as currently written, like many other utilities, does not read in a line at a time; it reads in a buffer-full at a time.

        – John1024
        28 mins ago
















      2












      2








      2







      Using GNU sed



      To copy all lines after xyz, try:



      sed '0,/xyz/d' file1.txt >file2.txt


      1,/xyz/ specifies a range of lines starting with the first and ending with the first occurrence of a line matching xyz. d tells sed to delete those lines.



      Note: For BSD/MacOS sed, one can use sed '1,/xyz/d' file1.txt >file2.txt but this only works if the first appearance of xyz is in the second line or later. (Hat tip: kusalananda.)



      Example



      Consider this test file:



      $ cat file1.txt
      
a
      
b
      
xyz
      
c
      
d


      Run our command:



      $ sed '1,/xyz/d' file1.txt >file2.txt
      
$ cat file2.txt
      
c
      
d


      Using awk



      The same logic can used with awk:



      awk 'NR==1,/xyz/{next} 1' file1.txt >file2.txt


      NR==1,/xyz/{next} tells awk to skip over all lines from the first (NR==1) to the first line matching the regex xyz. 1 tells awk to print any remaining lines.






      share|improve this answer















      Using GNU sed



      To copy all lines after xyz, try:



      sed '0,/xyz/d' file1.txt >file2.txt


      1,/xyz/ specifies a range of lines starting with the first and ending with the first occurrence of a line matching xyz. d tells sed to delete those lines.



      Note: For BSD/MacOS sed, one can use sed '1,/xyz/d' file1.txt >file2.txt but this only works if the first appearance of xyz is in the second line or later. (Hat tip: kusalananda.)



      Example



      Consider this test file:



      $ cat file1.txt
      
a
      
b
      
xyz
      
c
      
d


      Run our command:



      $ sed '1,/xyz/d' file1.txt >file2.txt
      
$ cat file2.txt
      
c
      
d


      Using awk



      The same logic can used with awk:



      awk 'NR==1,/xyz/{next} 1' file1.txt >file2.txt


      NR==1,/xyz/{next} tells awk to skip over all lines from the first (NR==1) to the first line matching the regex xyz. 1 tells awk to print any remaining lines.







      share|improve this answer














      share|improve this answer



      share|improve this answer








      edited 45 mins ago

























      answered 1 hour ago









      John1024John1024

      47.5k5110125




      47.5k5110125








      • 1





        Note that the sed command will fail if xyz is found on the first line of the file.

        – Kusalananda
        52 mins ago











      • @Kusalananda Thanks. Answer updated to include a GNU sed solution instead.

        – John1024
        44 mins ago











      • The proper way to do this (portably) with sed is shown in mikeserv's answer to the duplicate Q.

        – don_crissti
        41 mins ago













      • @don_crissti Are you referring to this answer? If so, it does not work for me. This is because sed, as currently written, like many other utilities, does not read in a line at a time; it reads in a buffer-full at a time.

        – John1024
        28 mins ago
















      • 1





        Note that the sed command will fail if xyz is found on the first line of the file.

        – Kusalananda
        52 mins ago











      • @Kusalananda Thanks. Answer updated to include a GNU sed solution instead.

        – John1024
        44 mins ago











      • The proper way to do this (portably) with sed is shown in mikeserv's answer to the duplicate Q.

        – don_crissti
        41 mins ago













      • @don_crissti Are you referring to this answer? If so, it does not work for me. This is because sed, as currently written, like many other utilities, does not read in a line at a time; it reads in a buffer-full at a time.

        – John1024
        28 mins ago










      1




      1





      Note that the sed command will fail if xyz is found on the first line of the file.

      – Kusalananda
      52 mins ago





      Note that the sed command will fail if xyz is found on the first line of the file.

      – Kusalananda
      52 mins ago













      @Kusalananda Thanks. Answer updated to include a GNU sed solution instead.

      – John1024
      44 mins ago





      @Kusalananda Thanks. Answer updated to include a GNU sed solution instead.

      – John1024
      44 mins ago













      The proper way to do this (portably) with sed is shown in mikeserv's answer to the duplicate Q.

      – don_crissti
      41 mins ago







      The proper way to do this (portably) with sed is shown in mikeserv's answer to the duplicate Q.

      – don_crissti
      41 mins ago















      @don_crissti Are you referring to this answer? If so, it does not work for me. This is because sed, as currently written, like many other utilities, does not read in a line at a time; it reads in a buffer-full at a time.

      – John1024
      28 mins ago







      @don_crissti Are you referring to this answer? If so, it does not work for me. This is because sed, as currently written, like many other utilities, does not read in a line at a time; it reads in a buffer-full at a time.

      – John1024
      28 mins ago















      0














      $ sed -n '/xyz/,$p' file.txt > file2.txt


      With -n we prevent sed to print every line. With $ means end of file end p stands for print line. So /xyz/$p means: If a line matches xyz print it until the end of the file.






      share|improve this answer
























      • This would also print the line matching xyz, not from the line after.

        – Kusalananda
        51 mins ago
















      0














      $ sed -n '/xyz/,$p' file.txt > file2.txt


      With -n we prevent sed to print every line. With $ means end of file end p stands for print line. So /xyz/$p means: If a line matches xyz print it until the end of the file.






      share|improve this answer
























      • This would also print the line matching xyz, not from the line after.

        – Kusalananda
        51 mins ago














      0












      0








      0







      $ sed -n '/xyz/,$p' file.txt > file2.txt


      With -n we prevent sed to print every line. With $ means end of file end p stands for print line. So /xyz/$p means: If a line matches xyz print it until the end of the file.






      share|improve this answer













      $ sed -n '/xyz/,$p' file.txt > file2.txt


      With -n we prevent sed to print every line. With $ means end of file end p stands for print line. So /xyz/$p means: If a line matches xyz print it until the end of the file.







      share|improve this answer












      share|improve this answer



      share|improve this answer










      answered 1 hour ago









      finswimmerfinswimmer

      72917




      72917













      • This would also print the line matching xyz, not from the line after.

        – Kusalananda
        51 mins ago



















      • This would also print the line matching xyz, not from the line after.

        – Kusalananda
        51 mins ago

















      This would also print the line matching xyz, not from the line after.

      – Kusalananda
      51 mins ago





      This would also print the line matching xyz, not from the line after.

      – Kusalananda
      51 mins ago











      0














      There is also csplit :



      csplit -s file1.txt %xyz%1





      share|improve this answer




























        0














        There is also csplit :



        csplit -s file1.txt %xyz%1





        share|improve this answer


























          0












          0








          0







          There is also csplit :



          csplit -s file1.txt %xyz%1





          share|improve this answer













          There is also csplit :



          csplit -s file1.txt %xyz%1






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 24 mins ago









          ctac_ctac_

          1,4221210




          1,4221210























              0














              With ed:



              ed -s file.txt <<< $'/xyz/+1,$w file2.txt'


              This sends one (ranged) command to ed: from the line after (+1) the one containing xyz until the end of the file ($), write those lines to file2.txt.






              share|improve this answer




























                0














                With ed:



                ed -s file.txt <<< $'/xyz/+1,$w file2.txt'


                This sends one (ranged) command to ed: from the line after (+1) the one containing xyz until the end of the file ($), write those lines to file2.txt.






                share|improve this answer


























                  0












                  0








                  0







                  With ed:



                  ed -s file.txt <<< $'/xyz/+1,$w file2.txt'


                  This sends one (ranged) command to ed: from the line after (+1) the one containing xyz until the end of the file ($), write those lines to file2.txt.






                  share|improve this answer













                  With ed:



                  ed -s file.txt <<< $'/xyz/+1,$w file2.txt'


                  This sends one (ranged) command to ed: from the line after (+1) the one containing xyz until the end of the file ($), write those lines to file2.txt.







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered 15 mins ago









                  Jeff SchallerJeff Schaller

                  43.2k1159138




                  43.2k1159138






























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