Search DaniWeb - delete-line

i want delete line from my csv file after echo or process this line 14 Years Ago by hassan12345 hi i want to delete line from my csv file after echo or process this line can any one help???????????? thanks in advance!!!!! here…>"; //now after show or processed i want to delete this line ($csv_line) } } fclose($fp) or die("can't close… how delete line or row number 3 of csv file 14 Years Ago by hassan12345 how to delete line number 3 or any line of my csv file ????????????????? like test.csv 1.jhon 2.sarah 3.ricky //delete this row of csv 4.martin Delete specific line in file 14 Years Ago by Neversleepin …, but it's not working: i want to delete line 1 and 2 of the text file. [CODE…public class ReadSpecificLine { public static void main(String[] args){ String line = ""; int lineNo; try { FileReader fr =… (IOException e) { e.printStackTrace(); } System.out.println("Line: " + line); } } [/CODE] Thank you Delete Data From File 14 Years Ago by Erco21 …User2 435345 User3 234234 User3 234924 Now, i need to delete one user from that txt file, along with number that… after the user so lets say that i entered in delete form: User1 , then i would like my txt file … User3 234324 I tried with deleting it by lines (delete line 1, then delete line 2, but it really didnt work properly, also i… Re: delete first line from a text file 17 Years Ago by Ancient Dragon >>at this line if line='\n' do nothing only read lines 1 to 7 Look … that's already in memory. So you need to just delete line 11 because it can cause an infinit loop that will… output file then just start the loop that begins on line 8 with 8 instead of 0 [code] for(int i… delete first line from a text file 17 Years Ago by mannantes … 3 1.574303 129 -15.378240 [/LIST] [/CODE] i want delete line number 1 and 8. and after I want to compare… Re: delete line + next line, if word match 16 Years Ago by Aia …g. awk or sed) which deletes the whole line containing the name, plus next line. but it must be exact match, deleting… word, followed by tab sed '/test/d' < file ....... will delete all lines sed '/test /d' < file ...... will not find…that. Once the pattern is matched, it deletes from that line to the end of the following one. [CODE=bash]sed… Re: delete line + next line, if word match 16 Years Ago by Pender i have no clue how to match the regexp for a word, followed by tab sed '/test/d' < file ....... will delete all lines sed '/test /d' < file ...... will not find anything how can i check for the followed tab? Delete line from form vb.net 13 Years Ago by davesexcel …enter Numbers in the textboxes and click "Draw Line" button. If the user wants to enter… and click the button again, how can that line be deleted before a new one is drawn? … canvas ' Set the starting and ending coordinates for the line. theLine.StartPoint = New System.Drawing.Point(0, 0) … delete line + next line, if word match 16 Years Ago by Pender ….g. awk or sed) which deletes the whole line containing the name, plus next line. but it must be exact match, deleting… Re: i want delete line from my csv file after echo or process this line 14 Years Ago by hassan12345 my csv file is so big it has more than 1 Lac lines. so i cant offered to delete each line in end of program,,,,i want delete each line after display or process (display line,then delete this line=>display line,then delete this line..............) Re: how delete line or row number 3 of csv file 14 Years Ago by hassan12345 my csv file is so big it has more than 1 Lac lines. so i cant offered to delete each line in end of program,,,,i want delete each line after display or process (display line,then delete this line=>display line,then delete this line..............) Re: how delete line or row number 3 of csv file 14 Years Ago by diafol … you want the numbers to follow, or will a simple delete do? You can: 1. get the contents of the file… with explode(), use "\n" as a delimiter. 3. delete the 3rd entry ('2') with array_splice(). 4. implode the array… Update/Delete SQL Records 15 Years Ago by nelliott10 … user to go to a different page to update and delete the information, which can be seen below: - Update: - [CODE]<….php?barcode=".$user["barcode"]."\">Delete Line</a>[/CODE] I also attached the other related… Re: Update/Delete SQL Records 15 Years Ago by cwarn23 … that problem when used properly. Also in your delete line file I noticed on line 3 there is a possible syntax error since… Re: edit text with sequence and delete line in txt file 11 Years Ago by Ssyxz … file for writing Start a loop for 3 iterations Read line from input (we'll call this sub) Start a loop… for 6 iterations Read line from input (we'll call this base) Use String.Replace… Re: edit text with sequence and delete line in txt file 11 Years Ago by sch85 ssyzz, thanks for your reply. However I am not sure what do you mean by: Start a loop for 3 iterations **Read line from input (we'll call this sub)** Start a loop for 6 iterations **Read line from input (we'll call this base)** Can you please show me the code example in C#? Thanks. Re: edit text with sequence and delete line in txt file 11 Years Ago by pitic Do a File.ReadLines(), loop the lines and try parsing each line to a double value. If it succedes you have your text to fill up the lines until the following double exists. edit text with sequence and delete line in txt file 11 Years Ago by sch85 … "(5,25)"? In the meantime, I want to delete "5,5", "5,15" and "… Re: Delete specific line in file 14 Years Ago by Neversleepin … can read some specific line from my file. it's working good, but now how could i delete them. Here i can… read text from line 15 to 20 and form line 30 to 40. these… file content more than 20000 lines. and i have to delete 10 lines at 10 specific place in the text, maybe… Re: Delete specific line in file 14 Years Ago by JamesCherrill I don't think there is any way to delete lines in the middle of a file. What you can do is to copy the file to a new file, only writing the lines you want to keep. Re: delete first line from a text file 17 Years Ago by twomers …input file stream ([inlinecode]while( std::getline(in, line) )[/inlinecode]), where line is a std::string), and keep a running total…inlinecode]), and if the line number matches the numbers you want to delete don't save the line to the output file.… Else save it. If you want to delete the original… Re: Delete specific line in file 14 Years Ago by bibiki I tried to compile your code, but as I expected line 17 complains. besides, = is not a comparison operator, I assumed you meant ==. check that first! Re: Delete specific line in file 14 Years Ago by bibiki i think each line is read as a single string. as a result, you …could temporarily store your file in a String array, each line, one element on the array. and then, you put back… Re: delete first line from a text file 17 Years Ago by Ancient Dragon If you want to delete those lines from the file itself then you have to … read a line from the original file and if it is not one of the lines you want to delete write it… the file has been completely read close both file, then delete the original file and rename the temp to the original… Re: delete first line from a text file 17 Years Ago by Ancient Dragon …; #include <iostream> using namespace std; int main() { string line; // open input file ifstream in("infile.txt"); if… to write the line while( getline(in,line) ) { out << line << "\n"; } in.close(); out.close(); // delete the original… Re: Delete Data From File 14 Years Ago by chrishea … rename the output file to the original input file name delete the original input file or move it to an archive… Re: delete first line from a text file 17 Years Ago by mannantes [QUOTE=Ancient Dragon;464449]What are you tring to do at line 11? With that semicolon at the end that line does nothing.[/QUOTE] at this line if line='\n' do nothing only read lines 1 to 7. and now i want read line 8 to 14 because i want compare line 14 with other lines like this of my second file txt to merge them Re: delete first line from a text file 17 Years Ago by Ancient Dragon … Each section of exampleFile.txt is separated by a line that begings with the text [b]telemetre_[/b]. …names ? Are the names the same as the first section line ? such as [b]telemetre_18_04_2007_11h_23_mn_15sec.dbt[/b] ? And you…same then continue the file loop and read another line from exampleFile.txt. If however they are not the… Re: delete first line from a text file 17 Years Ago by mannantes … Each section of exampleFile.txt is separated by a line that begings with the text [b]telemetre_[/b]. …names ? Are the names the same as the first section line ? such as [b]telemetre_18_04_2007_11h_23_mn_15sec.dbt[/b] ? And you…same then continue the file loop and read another line from exampleFile.txt. If however they are not the…