Created
August 6, 2016 05:12
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| - diff processes outputs | |
| $ diff -u <(ps aux) <(ps aux) | |
| --- /dev/fd/63 2016-08-06 01:02:53.000000000 -0400 | |
| +++ /dev/fd/62 2016-08-06 01:02:53.000000000 -0400 | |
| @@ -312,12 +312,12 @@ | |
| root 44 0.0 0.0 2518564 1944 ?? Ss Wed07PM 0:45.29 /usr/sbin/syslogd | |
| root 43 0.0 0.1 2551932 10704 ?? Ss Wed07PM 0:23.84 /usr/libexec/UserEventAgent (System) | |
| root 1 0.0 0.1 2538696 11456 ?? Ss Wed07PM 5:36.04 /sbin/launchd | |
| -root 20967 0.0 0.0 2435076 1016 s001 R 1:02AM 0:00.00 ps aux | |
| +root 20967 0.0 0.0 2435232 1032 s001 R 1:02AM 0:00.00 ps aux | |
| root 15048 0.0 0.0 0 0 ?? Z 9:19PM 0:00.00 (pia_openvpn_clie) | |
| -root 20966 0.0 0.0 2437540 1088 s001 R 1:02AM 0:00.00 ps aux | |
| +root 20966 0.0 0.0 2437540 1088 s001 S 1:02AM 0:00.00 (ps) | |
| rcanepa 20965 0.0 0.0 2434920 828 s001 S+ 1:02AM 0:00.00 diff -u /dev/fd/63 /dev/fd/62 | |
| rcanepa 20964 0.0 0.0 2466156 756 s001 S 1:02AM 0:00.00 -bash | |
| -rcanepa 20963 0.0 0.0 2466156 752 s001 S 1:02AM 0:00.00 -bash | |
| +rcanepa 20963 0.0 0.0 2466156 752 s001 S 1:02AM 0:00.00 (bash) | |
| rcanepa 20922 0.0 0.0 2619084 3320 ?? Ss 1:02AM 0:00.00 postgres: simpleclerk2 simpleclerk2 127.0.0.1(54237) idle | |
| rcanepa 20921 0.0 0.0 2619084 3284 ?? Ss 1:02AM 0:00.00 postgres: simpleclerk2 simpleclerk2 127.0.0.1(54236) idle | |
| rcanepa 20920 0.0 0.0 2619084 3276 ?? Ss 1:02AM 0:00.00 postgres: simpleclerk2 simpleclerk2 127.0.0.1(54235) idle | |
| - echo file descriptors ps aux commands | |
| $ echo <(ps aux) <(ps aux) | |
| /dev/fd/63 /dev/fd/62 | |
| - diff google.cl with google.com | |
| $ diff -u <(curl www.google.cl | tidy) <(curl www.google.com | tidy) | view - | |
| - this same procedure can be used to compare a web application between environments (prod vs dev) | |
| $ diff -u <(curl www.my-prod-webapp.com | tidy) <(curl localhost:3000 | tidy) | view - |
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