Sponsored Content
Top Forums Shell Programming and Scripting Shell script to merge and delete lines Post 303026546 by Don Cragun on Thursday 29th of November 2018 09:56:59 AM
Old 11-29-2018
Is this a homework assignment?

What operating system are you using?

What shell are you using?

Why are there two closing braces (}) at the end of your input and output files?

Are the blocks you want to merge always located adjacently in you input files, or do they just happen to be that way in your sample input?

What do you mean by "The value of EqName and Id may change. So there should be a dynamic approach to get the value of EqName and Id"? Are you saying the values following those fixed strings may change? (That seems obvious as a means of determining which blocks to merge.) Or, are you saying that the fixed strings EqName and Id may change as well as the values that follow them? Is there some reason that you can't just compare the first pair of lines following a line containing an opening brace without caring what characters are on those pairs of lines?

What have you tried to solve this problem on your own? Where are you stuck?
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

shell script to merge files

Can anybody help me out with this problem " a shell program that takes one or any number of file names as input; sorts the lines of each file in ascending order and displays the non blank lines of each sorted file and merge them as one combined sorted file. The program generates an error... (1 Reply)
Discussion started by: arya
1 Replies

2. Shell Programming and Scripting

Need Shell Script to delete lines in a file

Hi All, I have a file with 3 columns (Bank Name, Account Number and Amount). My requirement, I need to delete lines using Unix Shell script: 1. Which are having Alphanumeric characters in Account Number (eg. Line3). 2. Which are having 0.00 in amount. (eg. Line4) 3. And also I need to... (4 Replies)
Discussion started by: phani333
4 Replies

3. Shell Programming and Scripting

Help with merge Shell Script

I have a file test.log The content of the file is : a:R_yz:1 a:R_cd:2 a:F_bc:0 a:F_xx:3 b:R_dg:5 b:R_gf:1 b:F_fd:4 I want the output is : :a R_yz 1 3 3 : R_cd 2 : F_bc 0 : F_xx 3 :b R_dg 5 6 4 : R_gf 1 : F_fd 4 (8 Replies)
Discussion started by: mnmonu
8 Replies

4. Shell Programming and Scripting

remove blank lines and merge lines in shell

Hi, I'm not a expert in shell programming, so i've come here to take help from u gurus. I'm trying to tailor a csv file that i got to make it work for the LOAD FROM command. I've a datatable csv of the below format - --in file format xx,xx,xx ,xx , , , , ,,xx, xxxx,, ,, xxx,... (11 Replies)
Discussion started by: dvah
11 Replies

5. Shell Programming and Scripting

How to select/delete some lines in shell?

I need to delete half(approx) the file or select half the file by existence of some character My file looks like 1 2 3 4 . . . 50 . . 100I need to select only 50 to rest of the file or needs to delete the file upto 50. Please help me out.. (6 Replies)
Discussion started by: SujeethP
6 Replies

6. UNIX for Dummies Questions & Answers

How to delete lines above a certin line number in bash shell

Hi, I have written a script that returns the line number of the pattern i want and i stored the line number in a variable(getlinenumber).Now i want to delete all the lines in a file above this line number which is stored in a variable. i am using sed '1,$getlinenumberd' > file1.txt which is... (2 Replies)
Discussion started by: learninguser235
2 Replies

7. Shell Programming and Scripting

How to merge Expect script inside shell script?

Hi I have two scripts one is Expect and other is shell. I want to merge Expect code in to Shell script so that i can run it using only one script. Can somebody help me out ? Order to execute: Run Expect_install.sh first and then when installation completes run runTests.sh shell script. ... (1 Reply)
Discussion started by: ashish_neekhra
1 Replies

8. Shell Programming and Scripting

Bash/shell merge similar lines

Hello, I've been working on a bash script to parse through firewall logs (cisco). I'm nearing the end and have a dilemma. My data looks as such (actual data is several gigs worth of logs - without the headers): sourceIP destinationIP destinationProtocol destinationPort 1.1.1.1 2.2.2.2 ... (2 Replies)
Discussion started by: umang2382
2 Replies

9. Shell Programming and Scripting

Delete all CONSECUTIVE text lines from file shell scripting

Hi I have a text file like below. THe content of the text will vary. Entire text file have four consecutive lines followed with blank line. I want to delete the occurrence of the two consicutive lines in the text file. I don't have pattern to match and delete. Just i need to delete all... (5 Replies)
Discussion started by: RJSKR28
5 Replies

10. UNIX for Beginners Questions & Answers

Merge multi-lines into one single line using shell script or Linux command

Hi, Can anyone help me for merge the following multi-line log which beginning with a " and line ending with ": into one line. *****Original Log***** 087;2008-12-06;084403;"mc;;SYHLR6AP1D\LNZW;AD-703;1;12475;SYHLR6AP1B;1.1.1.1;0000000062;HGPDI:MSISDN=12345678,APNID=1,EQOSID=365;... (3 Replies)
Discussion started by: rajeshlinux2010
3 Replies
CAT(1)							      General Commands Manual							    CAT(1)

NAME
cat, read, nobs - catenate files SYNOPSIS
cat [ file ... ] read [ -m ] [ -n nline ] [ file ... ] nobs [ file ... ] DESCRIPTION
Cat reads each file in sequence and writes it on the standard output. Thus cat file prints a file and cat file1 file2 >file3 concatenates the first two files and places the result on the third. If no file is given, cat reads from the standard input. Output is buffered in blocks matching the input. Read copies to standard output exactly one line from the named file, default standard input. It is useful in interactive rc(1) scripts. The -m flag causes it to continue reading and writing multiple lines until end of file; -n causes it to read no more than nline lines. Read always executes a single write for each line of input, which can be helpful when preparing input to programs that expect line-at-a- time data. It never reads any more data from the input than it prints to the output. Nobs copies the named files to standard output except that it removes all backspace characters and the characters that precede them. It is useful to use as $PAGER with the Unix version of man(1) when run inside a win (see acme(1)) window. SOURCE
/src/cmd/cat.c /src/cmd/read.c /bin/nobs SEE ALSO
cp(1) DIAGNOSTICS
Read exits with status eof on end of file or, in the -n case, if it doesn't read nlines lines. BUGS
Beware of and which destroy input files before reading them. CAT(1)
All times are GMT -4. The time now is 10:08 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy