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• how to delete only empty directories from a batch file

  - by Martin

  Is there a way to delete all empty sub-directories below a given directory from a batch file? Or is it possible to recursively copy a directory, but excluding any empty directories?

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• HTML: how to make a file download require a username and password

  - by Craig Johnston

  In a basic HTML web page, how do you make the user have to enter a username and password before they are allowed to download a file. What is the best way of achieving this on a website, preferably in plain HTML.

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• Read from a file into an array and stop if a ":" is found in ruby

  - by Minky

  Hi! How can I in Ruby read a string from a file into an array and only read and save in the array until I get a certain marker such as ":" and stop reading? Any help would be much appreciated =) For example: 10.199.198.10:111 test/testing/testing (EST-08532522) 10.199.198.12:111 test/testing/testing (EST-08532522) 10.199.198.13:111 test/testing/testing (EST-08532522) Should only read the following and be contained in the array: 10.199.198.10 10.199.198.12 10.199.198.13

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• Playing a .WAV file in .NET

  - by Mori

  I'm trying to write a SAMPLER program, where each key has a different sound (a WAV file). Can someone explain to me or give me a link to an explanation where i can learn how to play the WAV files? If it matters, I'm working with Microsoft Visual C# and using WinForms.

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• How to use a command line parameter to supply input in subsequent prompt (batch file)

  - by Krishna Kumar

  I am using batch file to run certain operation in my application. The command I am using does not take password as a parameter instead it prompts for it while running. This is coming in the way of automating this script. I would like to know how I can take password as a parameter and provide to the application when it prompts.

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• Bash script: regexp reading numerical parameters from text file

  - by Andrey Kazak

  Greetings! I have a text file with parameter set as follows: NameOfParameter Value1 Value2 Value3 ... ... I want to find needed parameter by its NameOfParameter using regexp pattern and return a selected Value to my Bash script. I tried to do this with grep, but it returns a whole line instead of Value. Could you help me to find as approach please?

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• where does the term flat-file come from?

  - by Igor

  I was wondering if anyone knows. Is 'flat' the opposite of hierarchal? Does it come from a phrase like, "this is a flat-out regular file"?

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• Jquery/Ajax file uploader

  - by Ihavenoidea

  Hey Guys Im looking for a jquery or ajax file uploader, Im currently using the FancyUploader which worked great until Flash brought out their update making all flash progress bars absolete, now whenever I try to upload large files... it will fill the progress bar to 100% in a matter of seconds even though the actual upload finished minutes after. So im now looking for a new uploading script that DOESNT require flash but can still display the progress. Any suggestions?

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• Identifying Different Excel File Formats

  - by sgibbons

  Is anyone familiar with a library or tool that can determine which format an excel file is in? Or, failing that, documentation on the different formats that would allow me to write my own?

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• How to convert excel file into mdf file

  - by rajesh

  i have an exel file. i want to change this file into mdf formmat. Plz tell me the full procedure, how i can convert this file. i m using excel 2003 nd sql server 2000.

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• Rookie file permissions question

  - by Camran

  What is the ending 'r' for and the leading 'd' for in file permissions on Linux? Example: drwxr-xr-x I know about the user, group, others part, and I know w=write, r=read, x=execute. But I don't know about the leading 'd' and the trailing 'r'. Care to explain? Thanks

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• CURL POST a file using file identifier in C++

  - by Ankur Chauhan

  I have a File Identifier to a file ie a FILE* f = tmpfile() How do I use libcurl to do a HTTP POST to a URL as a field named F1.

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• Turning one file with lots of classes to many files with one class per file

  - by Ole Jak

  How do I turn one file with lots of classes to many files with one class per file? (C\C++) So I have that file with such structure: Some includes and then lots of classes that sometimes call each other: #include <wchar.h> #include <stdlib.h> //... class PG_1 { //... } class PG_2 { //... } //...... class PG_N { //... }

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• How do I clear the contents of a file using c?

  - by Eddy

  I'm writing some code so that at each iteration of a for loop it runs a functions which writes data into a file, like this: int main() { int i; /* Write data to file 100 times */ for(i = 0; i < 100; i++) writedata(); return 0; } void writedata() { /* Create file for displaying output */ FILE *data; data = fopen("output.dat", "a"); /* do other stuff */ ... } How do I get it so that when I run the program it will delete the file contents at the beginning of the program, but after that it will append data to the file? I know that using the "w" identifier in fopen() will open a new file that's empty, but I want to be able to 'append' data to the file each time it goes through the 'writedata()' function, hence the use of the "a" identifier.

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• Executing an application without waiting in Batch file

  - by markattwood

  Is there any way to execute an application without waiting in Batch file. I have tried the start command but it just creates a new Command window.

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• Parsing a file with column data in Python

  - by rejinacm

  I have a file that contains the symbol table details.Its in the form of rows and columns. I need to extract first and last column. How can I do that?

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• can i send file via FTP?

  - by hacen

  is it possible to send file via FTP protocle from PC to PC in the internet? if it is how i can do tha? thanks

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• Read file contents into variable in batch file

  - by Faisal

  I want to read the contents of an external file in a variable inside a batch file. The contents of file contains multiple lines. I found a couple of ways but it either reads the first line or last line or its too complex. I want all content in one variable. Any easier way?

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• is it possible to store structure in Text file using c#

  - by ratty

  i like store the structure in to the Text file and also retrive the same. i created a structure name student details consists the values studentid,student name,student avg.i like to store this structure details in Textfile for many students.after that i like to reteive that details from Textfile using student id.i am working in wondows form application.is it possible in c#.

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• Java: how to create and write to a file

  - by Drew Johnson

  What's the simplest way to create and write to a file in Java? I know this is a very basic question, but the web is full of different answers for different versions of Java and it would be nice to have an answer here on StackOverflow.

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• How to read in a double from a file in c++

  - by Josh Curren

  How do you read in a double from a file in C++? For ints I know you can use the getline() and then atoi, but I am not finding an array to double function. What is available for reading in doubles, or converting a char array to a double?

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• Convert .o file to .exe

  - by Dman

  Is it possible to convert an object file .o that was created from a .c source code to .exe? And if it is possible is there a direct command using gcc?

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• Transfer file over ssh

  - by datasunny

  Hi all, In ssh protocol, is there a mechanism for file transfer? Im working on a existing code base which already has ssh facilities code. Now i need to transfer files over ssh connection. If ssh protocol already support it, i don't have to integrate scp stuff into it. Thanks.

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• get file path from svn diff file with PHP and C

  - by coderex

  hi i have a file having svn diff i wish to extract the filenames form the diff. How to write the parser for that.. Index: libs/constant.php =================================================================== --- libs/constant.php (revision 1243) +++ libs/constant.php (revision 1244) @@ -26,5 +26,5 @@ // changesss - +// test 2 ?> \ No newline at end of file Index: libs/Tools.php =================================================================== --- libs/Tools.php (revision 1243) +++ libs/Tools.php (revision 1244) @@ -34,5 +34,5 @@ // another file an change - +// test ?> \ No newline at end of file Sample output. libs/constant.php libs/Tools.php How to write parser in PHP and C.

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• How do I can linux flock command to prevent another root process deleting a file?

  - by Danmaxis

  Hello there, I would like to prevent one of my root process from deleting a certaing file. So I came across the flock command, it seems to fit my need, but I didnt get its sintax. If I only indicate a shared lock, it doesnt work: flock -s "./file.xml" If I add a timeout parameter, it still doesnt work flock -s -w5 "./file.xml" It seems that way, it fits in flock [-sxun][-w #] fd# way. (What is this fd# parameter?) So, I tried the flock [-sxon][-w #] file [-c] command Using flock -s -w5 "./file.xml" -c "tail -3 ./file.xml" and it worked, tail command at ./file.xml was executed. But I would like to know, does the lock end after the command or does it last 5 seconds after the end of the command execution? My main question is, how can I prevent another root process deleting a file in linux?

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