I am creating golang cli application for which I am suppose to create file which should live for a short duration (i.e. 1 min or 5 mins) and after that it should automatically gets deleted and as far as I have seen golang os module is not providing such functionality can you let me know some approach that I can use to make such functionality available
I have searched stackoverflow and other other websites to find the same functionality but no luck yet
For Linux You can write .sh script with command:
find /dir -type f -mmin -5 -delete
This command delete all files in /dir older then 5 minits.
And then add your .sh script to cron.
Related
I am writing a script using Null Script which install around 6000 files in INSTALLDIR i.e. C:\ABC folder.
I have done this using
File /r "ABC"
in install section.
It is just a simple extractor (no registry entries and no uninstall.exe created during install).
Now, if I run the same exe again then I want my exe to display a message box to the user while overwriting the files containing the options
Yes,
Yes too all, or
exit the installer
i.e. How WinZip software does while extracting the same zip file in the same location multiple times.
If I set the SetOverwrite value to off then during install (2nd time) my EXE just skips the file installation without notifying the user. Also using IFFILEEXIST I can check a single file or *.* files but cannot do one to one mapping.
Please suggest how can I implement this. If this question is already posted then please send me the link.
Thanks in advance.
It is not possible to get this behavior in NSIS when using File /r. You might be able to pull off something similar by generating the file list at compile time by executing a batch file with !system and then check if each file exists and maybe delete the old one at run-time but you are not going to get the dialog without a custom plugin. NSIS itself only supports basic Abort/Retry/Cancel and Yes/No dialogs.
If you only want to use free tools, why not just use 7-Zip to create a self extracting archive?
I'm using psftp.exe to download files from the server. Is there an easy way to delete these files once I have downloaded them but leave the new ones that might have appeared on the server when I was downloading to be downloaded next time?
Here's my command line:
psftp.exe domain.com -i keys\private.ppk
get *.xml
Edit: I want to download the files from a Linux box to a Windows PC.
There's no easy way to do this with psftp. You would have to parse its output to find files that were successfully downloaded.
Though you can do this easily with WinSCP. Just use get -delete *.xml command.
Full WinSCP script would be:
open sftp://domain.com/ -privatekey=keys\private.ppk -hostkey=...
get -delete *.xml
exit
See an introduction to WinSCP scripting.
See also a guide for converting PSFTP script to WinSCP.
You can also have WinSCP GUI generate script like this for you.
(I'm the author of WinSCP)
Martin's answer is good. The below is more industrial.
Moving them to a staging area before the download may be prudent.
Generally you would move/rename the files on the server as a starting point. They are going to be deleted anyway so nothing should miss them? nor would you want to fall back over a recent file.
(so restart after this point in the event of a subsequent failure)
Then perform the download.
Then perform the delete.
I would approach the issue differently. Instead of deleting the file from the server, add the downloaded filename to a local table of "Already downloaded files". Then when you scan the FTP again for new files, ignore any that are in that table.
That way the next time you run your download script you only get the new files, but the old files remain on the server.
You could have another script that runs periodically and deletes all files over a certain age.
WINSCP is alright, and Martin (the author) drops in to practically every PuTTy thread to recommend it, but it's a fully GUI-based app and not for me. If you really need everything to be done on the commandline then WINSCP is often not an option.
I thinking about some global hook, but googling for "file create hook" gave me nothing.
I doing folder explorer in my prog... and I would like to add / remove files from visual representation in my prog as soon as they got added / deleted / appeared (for network folders), instead of running loop to scan the folder all the time.
Is that possible? I hope for some WinAPI solution.
You can use ReadDirectoryChangesW which notifies you of changes in a specific directory.
Also you can use SHChangeNotifyRegister, which is a shell feature and also works for "shell" forlders..
I suggest to read the following article: Understanding ReadDirectoryChangesW - Part 1
I used Sphinx4 for some time which really fits my needs. I load a recognizer, pass the audio data to it and use the recognized String in my application.
Right now I'm working on a C application (C++ is unfortunately not an option) where I need something similar and thought that I could use Sphinx3 which is written in C.
The problem is that I don't really know how it is used inside an application and there is no "Hello World"-example as Sphinx4 provides it.
I already compiled and installed sphinxbase and sphinx3 and now I can include the sphinx header files in my application.
Now to my questions:
Is there a "simple" and well documented example application that uses sphinx3 from a C environment?
How can I load up the sphinx3 engine and call a recognizer with my binary audio data?
OR: Do I need to start an application like "sphinx3_decode" and call it from my own application? If so, is there an example application for that?
Thank you in advance!
Best regards,
Robert
It's not recommended to use Sphinx3. From the website:
Sphinx-3 is CMU’s large vocabulary speech recognition system. It’s
older C based decoder that we continue to maintain. It’s planned to
make it obsolete in the future, it’s still most accurate decoder for
large vocabulary tasks. We are using it as a baseline to check the
recognizer accuracy. This decoder is only intended for researchers who
want to evaluate bleeding edge methods in ASR like tree search method.
If you need to use a decoder you should use pocketsphinx. You can find the tutorial and the API documentation on the website
http://cmusphinx.sourceforge.net/wiki/tutorialpocketsphinx
http://cmusphinx.sourceforge.net/api/pocketsphinx/pocketsphinx_8h.html
I Recently worked on an Intregated Project on Punjabi Language.
Here are some steps that we used...
First we recorded the punjabi audio data in a vaccumed room in 16000 hz sample rate.
Then we took the recorded data and segmented it using Praat Software into small wav and raw files of 2 to 30 sec and saved them in a folder named train.
Then we took a system having Linux ie. Ubuntu and installed the required plug in like autoconfig, automake etc and untarred Sphinx 3 along with 4 packages that are cmuclmtk, pocketsphinx, sphinxbase, sphinxtrain.
Then according to the small wav files we made many files like transcription, dic, phone, filler, file id, ccs etc.
Then we opened the terminal and typed –"sphinx_fe” to check the whether the sphinx is functional or not.
Then we created an folder named “man” and then in terminal wrote its path.
Then we run the command- “sphinxtrain –t man setup”. By running this command an folder named “etc” will be formed in “man” folder containing files “feat_paramas” & ”config”.
Changes were made in the in the config file according to our data.
Then we moved all the files that we created before ie. transcription, dic in the etc folder in that is located in man folder.
Then we placed ‘lang1.sh” script in etc folder and remaining 4 scripts in man folder.
Then we opened the path for etc folder in terminal and run command- “lang1.sh”
Then we run series of commands in terminal – “mfcgen2.sh” then “verify3.sh” then “hmm4.sh” and at last “end-test.sh” to get the final result.
Rest if you have worked on Sphinx 4 then you may know about the files that are mentioned above in the steps. I hope this helps you.
Long story short... we have multiple servers which we run perflog monitoring on every night. My job is to convert these logs to .csv format and send them to my e-mail.
This bit it already automated via a .sh script an ex-employee wrote.
What I want automated is to run a batch job after the perfmon logging to look at a specific folder and find the latest .blg file and run the sh script on it (the script is called upload) so that I don't have to log in to each server and do it manually.
e.g.
upload myInitials cd /cygdrive/someLocation/logs/$latestFile$.blg
myInitials and the location can be hard-coded... I just wouldn't know how to find the latest file in the folder and automate it all via a batch file.
Any pointers would be very helpful!
# Jeremy:
Sorry, I probably should have mentioned in my question that the servers are running 2003 and 2008.
I don't think it would be absolutely necessary to register a change notification on the folder - If the log runs from noon till 7 in the morning, the script will run immediately after (you can set a script to run after a perfmon log has finished in log properties) so the log will almost definitely be the latest file in the folder anyway.
Like I said, I already have a .sh file in place to convert to csv and send to my e-mail, I just need to incorporate it into a batch file so that instead of me going to each of the servers and opening up cygwin and typing upload xx /cygdrive/location/logs/xyz.blg, I can have it automated to run straight after the log has finished without me having to RDC into it.
Thanks for the input!
If you have a Shell script and you job is to call the shell script from a windows batch file then this will work.This assumes the cygwin is installed in C:
Contents of start_cyg.bat
#echo off
set PATH=%PATH%:"C:\Cygwin\bin"
rem bash --login -i
bash "/cygdrive/d/cyg.sh"
Contents of cyg.sh
#!/bin/bash
TAIL=`ls -lrt | tail -1`
echo "TAIL:$TAIL"
If you call start_cyg.bat from windows command prompt you can get the output of the cyg.sh in the console
for getting newest file in a directory, ls -1tr | tail -1 should work.
First, I don't know if it would meet your requirements, but the Windows Task Scheduler 2 in Vista+ is very robust and can trigger an event even based on log entries. However, extraction and parsing of that log entry may require some scripting, and might have concurrency issues, even if that log entry did indicate the last used process. Chances are none of this is helpful, but just throwing it out there.
Programatically, it would be simple as you can register a change notification on a folder. When a change occurs, you go find the latest file. Then launch the batch file to launch your shell script, or whatever your desired sequence may be.
I think cygwin may even support change notification events via scripting, though I'm unsure. I believe there are linux extensions for this, but I may be wrong.
If it were me, I'd just write a little C++ app to do whatever I wanted.. but for you maybe any (or more likely none) of the above helps ;o.