Replacing just the first occurence of a character in a line

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I have a line with thousands of lines like this:



"100K";"0.00001";"10";"0.01"]
"101K";"0.0001";"100";"0.1"]
"102K";"1";"1000";"1"]
"102K";"1";"1000";"1"]
"103K";"0.01";"10000";"10"]
"104K";"0.1";"100000";"100"]
"105K";"1";"1000000";"1000"]
"109K";"0.000001";"1";"1"]
"120K";"0.000012";"12";"12"]


I want to replace the first occurrence of ; in a line with :[



Making these lines equal to



"100K":["0.00001";"10";"0.01"]
"101K":["0.0001";"100";"0.1"]
"102K":["1";"1000";"1"]
"102K":["1";"1000";"1"]
"103K":["0.01";"10000";"10"]
"104K":["0.1";"100000";"100"]
"105K":["1";"1000000";"1000"]
"109K":["0.000001";"1";"1"]
"120K":["0.000012";"12";"12"]


how do I do that with sed or other unix command?






text-processing awk sed







share|improve this question



























    up vote
    4
    down vote

    favorite












    I have a line with thousands of lines like this:



    "100K";"0.00001";"10";"0.01"]
    "101K";"0.0001";"100";"0.1"]
    "102K";"1";"1000";"1"]
    "102K";"1";"1000";"1"]
    "103K";"0.01";"10000";"10"]
    "104K";"0.1";"100000";"100"]
    "105K";"1";"1000000";"1000"]
    "109K";"0.000001";"1";"1"]
    "120K";"0.000012";"12";"12"]


    I want to replace the first occurrence of ; in a line with :[



    Making these lines equal to



    "100K":["0.00001";"10";"0.01"]
    "101K":["0.0001";"100";"0.1"]
    "102K":["1";"1000";"1"]
    "102K":["1";"1000";"1"]
    "103K":["0.01";"10000";"10"]
    "104K":["0.1";"100000";"100"]
    "105K":["1";"1000000";"1000"]
    "109K":["0.000001";"1";"1"]
    "120K":["0.000012";"12";"12"]


    how do I do that with sed or other unix command?






    text-processing awk sed







    share|improve this question

























      up vote
      4
      down vote

      favorite









      up vote
      4
      down vote

      favorite











      I have a line with thousands of lines like this:



      "100K";"0.00001";"10";"0.01"]
      "101K";"0.0001";"100";"0.1"]
      "102K";"1";"1000";"1"]
      "102K";"1";"1000";"1"]
      "103K";"0.01";"10000";"10"]
      "104K";"0.1";"100000";"100"]
      "105K";"1";"1000000";"1000"]
      "109K";"0.000001";"1";"1"]
      "120K";"0.000012";"12";"12"]


      I want to replace the first occurrence of ; in a line with :[



      Making these lines equal to



      "100K":["0.00001";"10";"0.01"]
      "101K":["0.0001";"100";"0.1"]
      "102K":["1";"1000";"1"]
      "102K":["1";"1000";"1"]
      "103K":["0.01";"10000";"10"]
      "104K":["0.1";"100000";"100"]
      "105K":["1";"1000000";"1000"]
      "109K":["0.000001";"1";"1"]
      "120K":["0.000012";"12";"12"]


      how do I do that with sed or other unix command?






      text-processing awk sed







      share|improve this question















      I have a line with thousands of lines like this:



      "100K";"0.00001";"10";"0.01"]
      "101K";"0.0001";"100";"0.1"]
      "102K";"1";"1000";"1"]
      "102K";"1";"1000";"1"]
      "103K";"0.01";"10000";"10"]
      "104K";"0.1";"100000";"100"]
      "105K";"1";"1000000";"1000"]
      "109K";"0.000001";"1";"1"]
      "120K";"0.000012";"12";"12"]


      I want to replace the first occurrence of ; in a line with :[



      Making these lines equal to



      "100K":["0.00001";"10";"0.01"]
      "101K":["0.0001";"100";"0.1"]
      "102K":["1";"1000";"1"]
      "102K":["1";"1000";"1"]
      "103K":["0.01";"10000";"10"]
      "104K":["0.1";"100000";"100"]
      "105K":["1";"1000000";"1000"]
      "109K":["0.000001";"1";"1"]
      "120K":["0.000012";"12";"12"]


      how do I do that with sed or other unix command?






      text-processing awk sed




      text-processing awk sed






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 4 hours ago









      David Foerster

      948616




      948616










      asked 9 hours ago









      SpaceDog

      1,658122851




      1,658122851




















          3 Answers
          3






          active

          oldest

          votes

















          up vote
          11
          down vote



          accepted










          sed 's/;/:[/' file

          "100K":["0.00001";"10";"0.01"]
          "101K":["0.0001";"100";"0.1"]
          "102K":["1";"1000";"1"]
          "102K":["1";"1000";"1"]
          "103K":["0.01";"10000";"10"]
          "104K":["0.1";"100000";"100"]
          "105K":["1";"1000000";"1000"]
          "109K":["0.000001";"1";"1"]
          "120K":["0.000012";"12";"12"]





          share|improve this answer
















          • 1




            if you add -i, you do it in one go.
            – Rui F Ribeiro
            9 hours ago

















          up vote
          1
          down vote













          Since you tagged the question with awk:



          awk ' sub(/;/, ":["); print; '





          share|improve this answer



























            up vote
            0
            down vote













            You can try with below 2 commands also:



            perl -pne "s/;/:[/" filename
            sed 's/;/:[/1' filename


            Output:



            "100K":["0.00001";"10";"0.01"]
            "101K":["0.0001";"100";"0.1"]
            "102K":["1";"1000";"1"]
            "102K":["1";"1000";"1"]
            "103K":["0.01";"10000";"10"]
            "104K":["0.1";"100000";"100"]
            "105K":["1";"1000000";"1000"]
            "109K":["0.000001";"1";"1"]
            "120K":["0.000012";"12";"12"]





            share|improve this answer






















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              3 Answers
              3






              active

              oldest

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              3 Answers
              3






              active

              oldest

              votes









              active

              oldest

              votes






              active

              oldest

              votes








              up vote
              11
              down vote



              accepted










              sed 's/;/:[/' file

              "100K":["0.00001";"10";"0.01"]
              "101K":["0.0001";"100";"0.1"]
              "102K":["1";"1000";"1"]
              "102K":["1";"1000";"1"]
              "103K":["0.01";"10000";"10"]
              "104K":["0.1";"100000";"100"]
              "105K":["1";"1000000";"1000"]
              "109K":["0.000001";"1";"1"]
              "120K":["0.000012";"12";"12"]





              share|improve this answer
















              • 1




                if you add -i, you do it in one go.
                – Rui F Ribeiro
                9 hours ago














              up vote
              11
              down vote



              accepted










              sed 's/;/:[/' file

              "100K":["0.00001";"10";"0.01"]
              "101K":["0.0001";"100";"0.1"]
              "102K":["1";"1000";"1"]
              "102K":["1";"1000";"1"]
              "103K":["0.01";"10000";"10"]
              "104K":["0.1";"100000";"100"]
              "105K":["1";"1000000";"1000"]
              "109K":["0.000001";"1";"1"]
              "120K":["0.000012";"12";"12"]





              share|improve this answer
















              • 1




                if you add -i, you do it in one go.
                – Rui F Ribeiro
                9 hours ago












              up vote
              11
              down vote



              accepted







              up vote
              11
              down vote



              accepted






              sed 's/;/:[/' file

              "100K":["0.00001";"10";"0.01"]
              "101K":["0.0001";"100";"0.1"]
              "102K":["1";"1000";"1"]
              "102K":["1";"1000";"1"]
              "103K":["0.01";"10000";"10"]
              "104K":["0.1";"100000";"100"]
              "105K":["1";"1000000";"1000"]
              "109K":["0.000001";"1";"1"]
              "120K":["0.000012";"12";"12"]





              share|improve this answer












              sed 's/;/:[/' file

              "100K":["0.00001";"10";"0.01"]
              "101K":["0.0001";"100";"0.1"]
              "102K":["1";"1000";"1"]
              "102K":["1";"1000";"1"]
              "103K":["0.01";"10000";"10"]
              "104K":["0.1";"100000";"100"]
              "105K":["1";"1000000";"1000"]
              "109K":["0.000001";"1";"1"]
              "120K":["0.000012";"12";"12"]






              share|improve this answer












              share|improve this answer



              share|improve this answer










              answered 9 hours ago









              Goro

              8,14153878




              8,14153878







              • 1




                if you add -i, you do it in one go.
                – Rui F Ribeiro
                9 hours ago












              • 1




                if you add -i, you do it in one go.
                – Rui F Ribeiro
                9 hours ago







              1




              1




              if you add -i, you do it in one go.
              – Rui F Ribeiro
              9 hours ago




              if you add -i, you do it in one go.
              – Rui F Ribeiro
              9 hours ago












              up vote
              1
              down vote













              Since you tagged the question with awk:



              awk ' sub(/;/, ":["); print; '





              share|improve this answer
























                up vote
                1
                down vote













                Since you tagged the question with awk:



                awk ' sub(/;/, ":["); print; '





                share|improve this answer






















                  up vote
                  1
                  down vote










                  up vote
                  1
                  down vote









                  Since you tagged the question with awk:



                  awk ' sub(/;/, ":["); print; '





                  share|improve this answer












                  Since you tagged the question with awk:



                  awk ' sub(/;/, ":["); print; '






                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered 6 hours ago









                  David Foerster

                  948616




                  948616




















                      up vote
                      0
                      down vote













                      You can try with below 2 commands also:



                      perl -pne "s/;/:[/" filename
                      sed 's/;/:[/1' filename


                      Output:



                      "100K":["0.00001";"10";"0.01"]
                      "101K":["0.0001";"100";"0.1"]
                      "102K":["1";"1000";"1"]
                      "102K":["1";"1000";"1"]
                      "103K":["0.01";"10000";"10"]
                      "104K":["0.1";"100000";"100"]
                      "105K":["1";"1000000";"1000"]
                      "109K":["0.000001";"1";"1"]
                      "120K":["0.000012";"12";"12"]





                      share|improve this answer


























                        up vote
                        0
                        down vote













                        You can try with below 2 commands also:



                        perl -pne "s/;/:[/" filename
                        sed 's/;/:[/1' filename


                        Output:



                        "100K":["0.00001";"10";"0.01"]
                        "101K":["0.0001";"100";"0.1"]
                        "102K":["1";"1000";"1"]
                        "102K":["1";"1000";"1"]
                        "103K":["0.01";"10000";"10"]
                        "104K":["0.1";"100000";"100"]
                        "105K":["1";"1000000";"1000"]
                        "109K":["0.000001";"1";"1"]
                        "120K":["0.000012";"12";"12"]





                        share|improve this answer
























                          up vote
                          0
                          down vote










                          up vote
                          0
                          down vote









                          You can try with below 2 commands also:



                          perl -pne "s/;/:[/" filename
                          sed 's/;/:[/1' filename


                          Output:



                          "100K":["0.00001";"10";"0.01"]
                          "101K":["0.0001";"100";"0.1"]
                          "102K":["1";"1000";"1"]
                          "102K":["1";"1000";"1"]
                          "103K":["0.01";"10000";"10"]
                          "104K":["0.1";"100000";"100"]
                          "105K":["1";"1000000";"1000"]
                          "109K":["0.000001";"1";"1"]
                          "120K":["0.000012";"12";"12"]





                          share|improve this answer














                          You can try with below 2 commands also:



                          perl -pne "s/;/:[/" filename
                          sed 's/;/:[/1' filename


                          Output:



                          "100K":["0.00001";"10";"0.01"]
                          "101K":["0.0001";"100";"0.1"]
                          "102K":["1";"1000";"1"]
                          "102K":["1";"1000";"1"]
                          "103K":["0.01";"10000";"10"]
                          "104K":["0.1";"100000";"100"]
                          "105K":["1";"1000000";"1000"]
                          "109K":["0.000001";"1";"1"]
                          "120K":["0.000012";"12";"12"]






                          share|improve this answer














                          share|improve this answer



                          share|improve this answer








                          edited 5 hours ago









                          David Foerster

                          948616




                          948616










                          answered 7 hours ago









                          Praveen Kumar BS

                          1,030128




                          1,030128



























                               

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