Removing unnecessary backslashes and whitespace from postgres script.

[bnerickson]

In EL9 (Rocky Linux 9 in my case), awk complains that "escaping" semi-colons is not a known regexp operator:

# /etc/snmp/postgres
awk: cmd. line:26: warning: regexp escape sequence `\:' is not a known regexp operator
3
37521
15
5998
1323852
0
0
0
0
0
0
0
9295351
489767
34754
2269
211
0 428 3 179 104443 0 0 0 0 0 0 0 29014 24545 338 28 4
1 3535 3 1073 157557 0 0 0 0 0 0 0 1536174 43846 0 0 0 postgres
0 4304 1 2052 222546 0 0 0 0 0 0 0 1573088 55475 17569 743 34 template1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 template0
3 32789 11 3767 996863 0 0 0 0 0 0 0 7693249 409747 16847 1498 173 netbox

It looks like the backslashes are unnecessary. After the change, the script no longer complains:

# /etc/snmp/postgres
3
37601
15
5998
1330116
0
0
0
0
0
0
0
9382530
490758
34754
2269
211
0 428 3 179 106207 0 0 0 0 0 0 0 29493 24976 338 28 4
1 3621 3 1073 173704 0 0 0 0 0 0 0 1605431 51504 0 0 0 postgres
0 4344 1 2052 224006 0 0 0 0 0 0 0 1590588 55755 17569 743 34 template1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 template0
3 32829 11 3767 999903 0 0 0 0 0 0 0 7762449 410027 16847 1498 173 netbox

I also tested this change on an older CentOS Stream 8 deployment (that was not throwing the same warning) and there were no issues after the fact:

# /etc/snmp/postgres
57
226746033
1169125
2938614572
30383070964
0
0
0
0
0
0
0
213708212890
9290174356
224143471
101152759
213187818
0 0 0 1415 122590724 0 0 0 0 0 0 0 37528261 29315576 20 7 13
1 914742 28 176405 99787755 0 0 0 0 0 0 0 676516979 36226513 0 0 0 postgres
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 template1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 template0
37 118447673 45841 425637817 12104052618 0 0 0 0 0 0 0 45371192282 6574031992 215915150 51235688 206451273 foreman
9 6194682 1115664 1236636 525640369 0 0 0 0 0 0 0 1772092120 222075755 268103 74456 266495 candlepin
11 102103678 7620 2511738704 17630787253 0 0 0 0 0 0 0 166527400227 2464751033 7960198 49842608 6470037 pulpcore

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