Parse response from Consul in Bash












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I am using bash to get a value back from Consul, I have the API call working but can't seem to get the parsing down. I have tried regex and also jq but neither seem to work. Below is the results of the API call that I need to parse. I am trying to get the MTA3NDE5 from it.



How can I get that value from what the API call returns?



[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]









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    0















    I am using bash to get a value back from Consul, I have the API call working but can't seem to get the parsing down. I have tried regex and also jq but neither seem to work. Below is the results of the API call that I need to parse. I am trying to get the MTA3NDE5 from it.



    How can I get that value from what the API call returns?



    [{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]









    share|improve this question



























      0












      0








      0








      I am using bash to get a value back from Consul, I have the API call working but can't seem to get the parsing down. I have tried regex and also jq but neither seem to work. Below is the results of the API call that I need to parse. I am trying to get the MTA3NDE5 from it.



      How can I get that value from what the API call returns?



      [{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]









      share|improve this question
















      I am using bash to get a value back from Consul, I have the API call working but can't seem to get the parsing down. I have tried regex and also jq but neither seem to work. Below is the results of the API call that I need to parse. I am trying to get the MTA3NDE5 from it.



      How can I get that value from what the API call returns?



      [{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]






      command-line bash json






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      share|improve this question













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      share|improve this question








      edited Mar 20 at 14:45







      Josh Kirby

















      asked Mar 20 at 14:30









      Josh KirbyJosh Kirby

      105




      105






















          2 Answers
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          0














          You should be able to use something simple like jq -r '.."Value"'



          Ex.



          $ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
          jq -r '.."Value"'
          MTA3NDE5





          share|improve this answer
























          • Thank you this worked!

            – Josh Kirby
            Mar 20 at 14:47



















          0














          Here's one way:



          walt@bat:~(0)$ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
          grep -E -o '"Value":"[^"]*"' | cut -d: -f2 | tr -d '"'





          share|improve this answer
























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            2 Answers
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            active

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            2 Answers
            2






            active

            oldest

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            active

            oldest

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            active

            oldest

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            0














            You should be able to use something simple like jq -r '.."Value"'



            Ex.



            $ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
            jq -r '.."Value"'
            MTA3NDE5





            share|improve this answer
























            • Thank you this worked!

              – Josh Kirby
              Mar 20 at 14:47
















            0














            You should be able to use something simple like jq -r '.."Value"'



            Ex.



            $ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
            jq -r '.."Value"'
            MTA3NDE5





            share|improve this answer
























            • Thank you this worked!

              – Josh Kirby
              Mar 20 at 14:47














            0












            0








            0







            You should be able to use something simple like jq -r '.."Value"'



            Ex.



            $ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
            jq -r '.."Value"'
            MTA3NDE5





            share|improve this answer













            You should be able to use something simple like jq -r '.."Value"'



            Ex.



            $ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
            jq -r '.."Value"'
            MTA3NDE5






            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Mar 20 at 14:36









            steeldriversteeldriver

            70.6k11114187




            70.6k11114187













            • Thank you this worked!

              – Josh Kirby
              Mar 20 at 14:47



















            • Thank you this worked!

              – Josh Kirby
              Mar 20 at 14:47

















            Thank you this worked!

            – Josh Kirby
            Mar 20 at 14:47





            Thank you this worked!

            – Josh Kirby
            Mar 20 at 14:47













            0














            Here's one way:



            walt@bat:~(0)$ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
            grep -E -o '"Value":"[^"]*"' | cut -d: -f2 | tr -d '"'





            share|improve this answer




























              0














              Here's one way:



              walt@bat:~(0)$ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
              grep -E -o '"Value":"[^"]*"' | cut -d: -f2 | tr -d '"'





              share|improve this answer


























                0












                0








                0







                Here's one way:



                walt@bat:~(0)$ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
                grep -E -o '"Value":"[^"]*"' | cut -d: -f2 | tr -d '"'





                share|improve this answer













                Here's one way:



                walt@bat:~(0)$ echo '[{"LockIndex":0,"Key":"syncID/master","Flags":0,"Value":"MTA3NDE5","CreateIndex":1951278,"ModifyIndex":1952289}]' | 
                grep -E -o '"Value":"[^"]*"' | cut -d: -f2 | tr -d '"'






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Mar 20 at 14:38









                waltinatorwaltinator

                22.9k74169




                22.9k74169






























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