Sponsored Content
Top Forums Shell Programming and Scripting Searching for Log / Bad file and Reading and writing to a flat file Post 302459120 by DGPickett on Sunday 3rd of October 2010 06:01:28 PM
Old 10-03-2010
The sed tool is pretty good at this sort of thing, except line counting: the closest it gets is line numbers. PERL, C. C==, JAVA, etc. can do it, being full languages. You can use a combination of shell tools with sed to break up the information into multiple files and measure the files, processing one set of data from a file at a time, if necessary. Trying to do it all in shell itself might be too slow.
 

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Reading a file and writing the file name to a param file.

Hi All, Not sure if this would be in a dummies sectiin or advanced. I'm looking for a script if someone has doen something like this. I have list of files - adc_earnedpoints.20070630.txt adc_earnedpoints.20070707.txt adc_earnedpoints.20070714.txt adc_earnedpoints.20070721.txt... (1 Reply)
Discussion started by: thebeginer
1 Replies

2. UNIX for Dummies Questions & Answers

Log File Writing and Reading

Hi all, I have the following shell script code which tries to sftp and writes the log into the log file. TestConnection () { echo 'Connection to ' $DESTUSERNAME@$DESTHOSTNAME $SETDEBUG if ]; then rm $SCRIPT ; fi touch $SCRIPT echo "cd" $REMOTEDIR >> $SCRIPT echo "quit" >>... (10 Replies)
Discussion started by: valluvan
10 Replies

3. Programming

I need help with file reading/writing in C

Hello everybody, I'm trying to code a program which makes the following: It sends an ARP request frame and when it gets the reply, extracts the IP address of source and writes it to a .txt file. This is gonna be done with many hosts (with a for() loop), so, the text file would look like... (2 Replies)
Discussion started by: Zykl0n-B
2 Replies

4. Shell Programming and Scripting

Reading a FLAT File - No Delimeters

Hi Folks, I have a file without any delimeters and it is a flat file. Example, my raw data looks: x25abcy26defz27ghi..... Now, could you please any one help me to program to split this into variable and create a text file. I want a output as below Name Age Number x 25 abc... (14 Replies)
Discussion started by: Jerald Nathan
14 Replies

5. Shell Programming and Scripting

Reading XML data in a FLAT FILE

I have a requirement to read the xml file and split the files into two diffrent files in Unix shell script. Could anyone please help me out with this requirement. Sample file --------------- 0,<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <Information... (3 Replies)
Discussion started by: kmanivan82
3 Replies

6. Shell Programming and Scripting

Remove the footer from a flat file by searching a pattern

Hi, I have more than 30,000 records in a flat file. I want to remove footer from the file by searching a string pattern for the footer. Example.... let the flat file test.dat contains below records. record1 record2 record3 .. .. .. record31000 Total records 31000 I want to remove the... (6 Replies)
Discussion started by: gani_85
6 Replies

7. Shell Programming and Scripting

reading a file extracting information writing to a file

Hi I am trying to extract information out of a file but keep getting grep cant open errors the code is below: #bash #extract orders with blank address details # # obtain the current date # set today to the current date ccyymmdd format today=`date +%c%m%d | cut -c24-31` echo... (8 Replies)
Discussion started by: Bruble
8 Replies

8. Shell Programming and Scripting

reading a csv file and creating a flat file

hi i have written a script for reading a csv file and creating a flat file, suggest if this script can be optimized #---------------- FILENAME="$1" SCRIPT=$(basename $0) #-----------------------------------------// function usage { echo "\nUSAGE: $THIS_SCRIPT file_to_process\n"... (3 Replies)
Discussion started by: mprakasheee
3 Replies

9. Shell Programming and Scripting

Reading and writing in same file

Hi All, Here is my requirement. I am grepping through the log files and cutting some fields from the file to generate a csv file. Now I have to check if 2nd field is having some fixed value then with the help of 4th field I have to look in same log and run another grep command to retrieve the... (11 Replies)
Discussion started by: kmajumder
11 Replies

10. Programming

Reading flat file content

is there any unix tools that can read the text files like through SQL queries? (ie in Hadoop, Impala DB support flat file query) (1 Reply)
Discussion started by: omykarshan
1 Replies
PYP(1)							      General Commands Manual							    PYP(1)

NAME
pyp - The Pyed Piper: A Modern Python Alternative to awk, sed and Other Unix Text Manipulation Utilities SYNOPSIS
pyp [options] files ... DESCRIPTION
pyp, the Pyed Piper, is a command line tool for text manipulation. It is similar to awk and sed in functionality, but its subcommands are Python based, and thus more familiar to many programmers. It can operate both on a per-line base and on the complete input stream. Different features can be pipelined in a single command by using the pipe character familiar from shell commands. pyp backs up its input for reruns with modified commands, and can save commands as macros. On the downside, the rerun feature makes it unsuitable for continuous pipe operation. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. For a complete description, use --manual. -h, --help Show this help message and exit. -m, --manual Prints out extended help. -l, --macro_list Lists all available macros. -s MACRO_SAVE_NAME, --macro_save=MACRO_SAVE_NAME Saves current command as macro. use "#" for adding comments EXAMPLE: pyp -s "great_macro # prints first letter" "p[1]". -f MACRO_FIND_NAME, --macro_find=MACRO_FIND_NAME Searches for macros with keyword or user name. -d MACRO_DELETE_NAME, --macro_delete=MACRO_DELETE_NAME Deletes specified public macro. -g, --macro_group Specify group macros for save and delete; default is user. -t TEXT_FILE, --text_file=TEXT_FILE Specify text file to load. For advanced users, you should typically cat a file into pyp. -x, --execute Execute all commands. -c, --turn_off_color Prints raw, uncolored output. -u, --unmodified_config Prints out generic PypCustom.py config file. -b BLANK_INPUTS, --blank_inputs=BLANK_INPUTS Generate this number of blank input lines; useful for generating numbered lists with variable 'n'. -n, --no_input Use with command that generates output with no input; same as --dummy_input 1. -k, --keep_false Print blank lines for lines that test as False. default is to filter out False lines from the output. -r, --rerun Rerun based on automatically cached data from the last run. Use this after executing "pyp", pasting input into the shell, and hitting CTRL-D. SEE ALSO
awk(1), grep(1), sed(1). AUTHOR
pyp was written by Toby Rosen <tobyrosen@gmail.com>. This manual page was written by Khalid El Fathi <khalid@elfathi.fr>, for the Debian project (and may be used by others). March 19, 2012 PYP(1)
All times are GMT -4. The time now is 03:54 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy