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• is there are nice unix command for dumping the text representation of a binary file.

  - by monkeyking

  Hi I got some binary files containing integers. Is there some nice unix command, that will allow me to dump it to a terminal without offset info etc? something like double int[4]; while(fread(tmp,sizeof(int),4,stdin)) for(int i=0;i<4;i++) printf("%d\t",tmp[i]); It seems that hexdump and od gives me the information I want, but the…

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• How to convert dos/windows newline to unix newline in bash script?

  - by Koran Molovik

  I bash, how do I convert dos/windows newlines to unix? It must be non-interactive, not like starting vi and typing something in, but a command on the command line that can be put in a script file. The dos2unix and unix2dos commands are not available on the system. How do I do this with commands like sed/awk/tr?

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• What does the Java Tutorial Mean when it mentions "Unix-based Systems"? [closed]

  - by Tom Brito

  I am reading "The Java Tutorial", and they talk a lot about "Unix-based systems". Which systems are they referring to?

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• How can i display seconds ago/minutes ago/with unix timestamp?

  - by Tapha

  I need the unix timestamp - the timestamp i have. Then display the time between like on twitter.

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• [UNIX] Is it safe to pipe the output of several parallel processes to one file using >> ?

  - by conradlee

  I'm scraping data from the web, and I have several processes of my scraper running in parallel. I want the output of each of these processes to end up in the same file. As long as lines of text remain intact, I the order of the lines does not matter. In UNIX, can I just pipe the output of each process to the same file using the operator?

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• What is the best way to manage unix process from java?

  - by erotsppa

  I'm looking for some simple tasks like listing all the running process of a user, or kill a particular process by pid etc. Basic unix process management from Java. Is there a library out there that is relatively mature and documented? I could run a external command from the JVM and then parse the standard output/error but that seems like a…

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• What is difference between a job and a process in Unix ?

  - by user323422

  What is the difference between a job and a process in Unix ? Can you please give an example ?

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• Is there a way to close a Unix socket for only reading or writing?

  - by Sii

  Is there a way to only close "one end" of a TCP socket to cleanly indicate one side of a connection is done writing to the connection? (Just like you do with a pipe in every Unix pipe tutorial ever.) Or should I use some in-band solution like a sentinel value or some such? I only found shutdown() in the libc documentation and that doesn't…

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• tool to find out distance in terms of no. of hops in unix

  - by mawia

  Hi! all, I am writing an application for video streaming.In the application server is required to know the distance of the client from it self in terms of hop number.My question is,is there any tool/method other than traceroute available in unix environment to find it? I also need to find out the geographical location of the client.So is…

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• i want to copy the output of unix and sqlplus into a file .

  - by randeepsp

  I am using Solaris. I have to log into sql plus and run some queries, which give a huge result set. I want to copy all that into a file. Is there any command for it in unix or sqlplus ?

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• How to convert COledatetime to unix time / php time?

  - by Scott

  How can I convert a COleDateTime::GetCurrentTime() to a unix time stamp or more specifically I want to convert the value so I can use it in PHP with the date() function?

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• MySQL - Combine two fields to create a unix timestamp?

  - by Dan

  Hi, I'm trying to retrieve a UNIX timestamp from a query by combining a date and a time field in the table, however it keeps returning as zero. SELECT *, UNIX_TIMESTAMP(startdate starttime) AS start, UNIX_TIMESTAMP(enddate endtime) AS end FROM mytable; Can anyone help me out? …

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• How can I extract a range of lines from a text file on unix?

  - by Adam J. Forster

  I have a ~23000 line sql dump containing several databases worth of data. I need to extract a certain section of this file (i.e. the data for a single database) and place it in a new file. I know both the start and end line numbers of the data that I want. Does anyone know a unix command (or series of commands) to extract all…

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• Is the Unix Philosophy still relevant in the Web 2.0 world?

  - by David Titarenco

  Introduction Hello, let me give you some background before I begin. I started programming when I was 5 or 6 on my dad's PSION II (some primitive BASIC-like language), then I learned more and more, eventually inching my way up to C, C++, Java, PHP, JS, etc. I think I'm a pretty decent coder. I think most people would agree.…

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• Why no more macro languages?

  - by Muhammad Alkarouri

  In this answer to a previous question of mine about scripting languages suitability as shells, DigitalRoss identifies the difference between the macro languages and the "parsed typed" languages in terms of string treatment as the main reason that scripting languages are not suitable for shell purposes. Macro languages…

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• How to install theme without using user-theme extension?

  - by Aventinus_

  I'm using Ubuntu 12.04 with Gnome Shell 3.4. Since day one I had some random crashes mainly after reloading or during search. After a lot of research I concluded that user-theme extension is to blame. Only when disabled Gnome Shell runs 100% smoothly. So my question is: Is there a way to install a theme without using…

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• How can i force fish to save new key bindings persistently after closing a terminal window?

  - by NES

  How can i force fish to save new key bindings persistently after closing a terminal window? At the moment i have the problem: -I open a terminal window, the default shell is fish. -i add a key binding with: bind \eg functionname -it works in the terminal window -now i close terminal window -open a new terminal…

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• Error when reloading supervisord: unix:///tmp/supervisor.sock no such file

  - by Yarin

  I'm running supervisord on my CentOS 6 box like so, /usr/bin/supervisord -c /etc/supervisord.conf and when I launch supervisorctl all process status are fine, but if I try to reload using supervisorctl I get unix:///tmp/supervisor.sock no such file I'm using the same config file I've used successfully…

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• Installing MySQL on Ubuntu Natty with Shell Script

  - by Obi Hill

  I'm trying to install MySQL on Ubuntu Natty from a shell script. However, I keep running into one major issue: when I try to define the password outside of the shell script. Below is the code to my shell script (which I have saved in /etc/init.d/install_mysql: export DEBIAN_FRONTEND=noninteractive echo…

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• Getting Windows 7 SUA's bash shell working with emacs (EmacsW32)?

  - by landstatic

  Having recently purchased Windows 7 Ultimate in order to gain access to the SUA subsystem, I have been struggling to get SUA's bash utility (/usr/local/bin/bash) working with EmacsW32. M-x shell normally invokes a shell process and pipes stdio through an Emacs buffer and this works well with Cygwin e.g.…

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• How to keep a shell open across multiple ajax requests in PHP?

  - by Joost van Doorn

  I need to use a shell across multiple ajax requests. Basically this means that the next request should be able to continue with the same shell where the other process left off. The purpose is to communicate with daemons like FTP to open an FTP connection and log in and in the next request continue with…

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• How to show file download progress in PHP Shell Scripting?

  - by Shadi Almosri

  Hiya, I have a php shell script that downloads a large file, it would be a bit of a luxury to be able to see the progress of the download in shell while it's happening, anyone have any idea how this can be achieved (or at least point me in the right direction!) Thanks!

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• How can I convert a shell script into a Perl script?

  - by joe

  How can I convert a shell script into a Perl script? I have a 10k line shell script and want to convert it into Perl. Is there any tool is doing that, or is there any way to do that?

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• How can I save shell output to a variable in LaTeX?

  - by Frank

  I need to be able to execute a shell command through LaTeX [*] and have the resulting output available for use later on in the form of a LaTeX 'variable' (e.g., via a subsequent \newcommand command). If necessary a temporary file could be used to hold the output, although I would like to avoid this. I…

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• generate unix timestamp from last time

  - by Nazmin

  hi guys, suppose i have one column in mysql database which is stated last time one equipment is up in h:i:s format (ex: 00:05:11) or 1d21h, means that the equipment is on since 5 min before, what is the best method i can convert this to unix timestamp, say if using php script how? or direct convert…

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