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How do I get both STDOUT and STDERR to go to the terminal and a log file?
... I don't know of an equivalent for sh/bash/ksh.
Also, since you have indicated that these are your own sh scripts that you can modify, you can do the redirection internally by surrounding the whole script with braces or brackets, like
#!/bin/sh
{
... whatever you had in your script before...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
... 2012-03-28 20:43 uevent
Here the dev file contains this information:
# cat /sys/class/tty/ttyUSB0/dev
188:0
This is the major/minor node. These can be searched in the /dev directory to get user-friendly names:
# ll -R /dev |grep "188, *0"
crw-rw---- 1 root dialout 188, 0 2012-03-28 20:44 ...
How to search a specific value in all tables (PostgreSQL)?
... 18 '11 at 11:55
Mike Sherrill 'Cat Recall'Mike Sherrill 'Cat Recall'
78.5k1616 gold badges103103 silver badges156156 bronze badges
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Finding current executable's path without /proc/self/exe
...But I'd like to know if there is a convenient way to find the current application's directory in C/C++ with cross-platform interfaces. I've seen some projects mucking around with argv[0], but it doesn't seem entirely reliable.
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What exactly does Perl's “bless” do?
...t common case), to an array (not so common), to a scalar (usually this indicates an inside-out object), to a regular expression, subroutine or TYPEGLOB (see the book Object Oriented Perl: A Comprehensive Guide to Concepts and Programming Techniques by Damian Conway for useful examples) or even a ref...
How do I set a variable to the output of a command in Bash?
...equired, just for readability.
About sudo cmd | grep ... | cut ...
shell=$(cat /etc/passwd | grep $USER | cut -d : -f 7)
echo $shell
/bin/bash
(Please avoid useless cat! So this is just one fork less:
shell=$(grep $USER </etc/passwd | cut -d : -f 7)
All pipes (|) implies forks. Where another pr...
MySQL foreign key constraints, cascade delete
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If your cascading deletes nuke a product because it was a member of a category that was killed, then you've set up your foreign keys improperly. Given your example tables, you should have the following table setup:
CREATE TABLE categories (
id int unsigned not null primary key,
name VA...
Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...lize what may be identifier for your system you may try:
user@host:/path$ cat /proc/bus/input/devices | grep mouse
H: Handlers=mouse0 event3
H: Handlers=mouse1 event4
And so possibilities are "event3" and "event4" — but for your system that may have other values. So, if that is different from ...
How to parse the AndroidManifest.xml file inside an .apk package
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Use android-apktool
There is an application that reads apk files and decodes XMLs to nearly original form.
Usage:
apktool d Gmail.apk && cat Gmail/AndroidManifest.xml
Check android-apktool for more information
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Clone private git repo with dockerfile
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What context are you talking about for Settings > Applications?
– turboladen
Apr 29 '15 at 5:17
1
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