Differences between revisions 4 and 9 (spanning 5 versions)

jq

jq is a lightweight and flexible command-line JSON processor.

Slackbuild

   1 cd /tmp
   2 wget https://slackbuilds.org/slackbuilds/14.2/system/jq.tar.gz
   3 tar xvzf jq.tar.gz
   4 cd jq
   5 wget https://github.com/stedolan/jq/releases/download/jq-1.4/jq-1.4.tar.gz
   6 ./jq.SlackBuild
   7 installpkg /tmp/jq-1.4-i486-1_SBo.tgz

jq-1.4-i486-1_SBo.tgz

Change values

test.json

   1 {
   2   "keyx":12,
   3   "keyz":"ddff"
   4 }

test2.json

   1 {
   2   "keyx":12,
   3   "keyz":"ddff",
   4   "arr":[1,2,3,4]
   5 }

   1 jq '.keyx = 55 | .keyz = "otherVal"' test.json
   2 # output
   3 {
   4   "keyx": 55,
   5   "keyz": "otherVal"
   6 }

Get value from key

   1 jq '.keyx' test.json 
   2 # output
   3 12
   4 
   5 jq '.arr[2]' test2.json 
   6 #output
   7 3

Curl JSON replay example

   1 curl http://api.icndb.com/jokes/random 2>/dev/null | jq '.value.joke' | sed s/\"//g

-  ⇤ ← Revision 4 as of 2018-06-14 22:05:53 → 
  Size: 578
  Editor: localhost
  Comment:
+   ← Revision 9 as of 2021-05-27 13:44:50 → ⇥
  Size: 1017
  Editor: localhost
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 26:
+'''test2.json'''
{{{#!highlight javascript
{
  "keyx":12,
  "keyz":"ddff",
  "arr":[1,2,3,4]
}
}}}
-Line 28:
+Line 37:
+# output
{
  "keyx": 55,
  "keyz": "otherVal"
}
-Line 29:
+Line 43:
+== Get value from key ==
{{{#!highlight bash 
jq '.keyx' test.json 
# output
12

jq '.arr[2]' test2.json 
#output
3
}}}

== Curl JSON replay example ==
{{{#!highlight bash
curl http://api.icndb.com/jokes/random 2>/dev/null | jq '.value.joke' | sed s/\"//g
}}}