Was looking for a solution to combine two lines to one but failed finding a solution with "tr" and "sed".
The output of the file looked like this and I wanted to combine the "alias" and "server_id" lines on one line:
cat serverlist | egrep "(alias|server_id)"
"alias": "mymachine29",
"server_id": 15,
"alias": "mymachine30",
"server_id": 12,
"alias": "mymachine31",
"server_id": 13,
"alias": "mymachine32",
"server_id": 10,
"alias": "mymachine33",
"server_id": 13,
"alias": "mymachine34",
"server_id": 10,
"alias": "mymachine35",
"server_id": 10,
By chance I came across this post (http://serverfault.com/questions/375096/bash-sed-awk-etc-remove-every-other-newline), which solves a similar request with the command "paste", I honestly haven't heard of before.
Let's try paste then!
cat serverlist | egrep "(alias|server_id)" | paste - -
"alias": "mymachine29", "server_id": 15,
"alias": "mymachine30", "server_id": 12,
"alias": "mymachine31", "server_id": 13,
"alias": "mymachine32", "server_id": 10,
"alias": "mymachine33", "server_id": 13,
"alias": "mymachine34", "server_id": 10,
"alias": "mymachine35", "server_id": 10,
"alias": "mymachine36", "server_id": 13,
"alias": "mymachine37", "server_id": 10,
"alias": "mymachine38", "server_id": 12,
Perfect! And much less complicated than trying to write a complex sed replacement...
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