Tagged Questions
2
votes
2answers
89 views
Should a foreground program invoked by a daemon split logging between stderr and stdout based on severity levels?
Usually log messages are written to stderr. I'm wondering if it is a good idea/practice to split log messages so that errors and warnings go to stderr while debug/informational/notice messages go to ...
0
votes
2answers
175 views
Unix wrapper to make any binary accept stdin/stdout redirection
This is a common situation: you want to include command 'foo' as part of a pipeline, but unfortunately command 'foo' only accepts actual filenames for I/O and does not read/write from stdin/stdout. I ...
2
votes
1answer
427 views
CentOS 5.3, Perl, bash commands, Hide ALL output to screen
I am running the following command:
[user@server ~]$ /usr/sbin/ntpdate -d IPREMOVEDFORSECURITY | egrep 'transmit timestamp' | tail -1 | awk '{print $4, $5, $6, $7, $8}'
host found : ...
0
votes
3answers
2k views
Suppress GPG “Reading passphrase from file descriptor 0” message
Simply, how can I make GPG not print that message? Here are the commands I'm using:
echo "test input" > test.in
echo "test" | gpg -q -c --passphrase-fd 0 --output test.enc --yes --force-mdc ...