Searching text file in Unix using shell script

Question

I have an input text file (shown below) which I have to call in a shell script and also in shell script I will pass an input argument for which I have find a corresponding value from the input text file.

So if my input argument is Janan I have to return Janan_2 as output, or if my input is Janan_ex1 then output will be Janan_loc_data.

Input:

"data":"{\"collection\":{\n    \"Janan\":\"Janan_2\",\n    \"Janan_ex1\":\"Janan_loc_data\",\n    \"Neha\":\"Neha_1\",\n    \"cric\":\"cric_2\",\n    \"San\":\"San_1\",\n    \"Arp\":\"Arp_1\",\n    \"Nipun_test4\":\"Nipun_test3\",\n    \"tran_Nipun\":\"tran_Nipun_2\",\n    \"Zing\":\"Zing_1\"}}"}

Hi Cyrus ..this link seems more on HTML tag and stuff .. I need some help in Shell scripting..which i am not much familiar with specially AWK — Arpan
– Arpan, Commented Sep 24, 2015 at 6:07
Anubhava can you please share an example if you have something handy — Arpan
– Arpan, Commented Sep 24, 2015 at 6:12
Is your input data really on one line? Does it really contain all the backslashes? Is it really JSON-encoded data, with the collection as a string value instead of a regular JSON object enclosed in { … }? That's just brutal. — Jonathan Leffler
– Jonathan Leffler, Commented Sep 24, 2015 at 6:13
Jonathan ..i am getting this line with grep command and I get this file from some other department in exact same format. — Arpan
– Arpan, Commented Sep 24, 2015 at 6:20

Jeff Y · Accepted Answer · 2015-09-27 20:53:23Z

1

Pipe your input "file" into the following bash script with your "input argument" as the argument, e.g. ...|./bashscript San:

#!/usr/bin/bash

sed 's/[^ ]*// ; s/}}"}// ; s/"://g ; s/,\\n/\n/g'|
tr -d '\\'|
awk -F\" '$2=="'$1'"{print $3}'

answered Sep 27, 2015 at 20:53

Jeff Y

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