1. UNIX for Dummies Questions & Answers

A basic request two files want to combine them but on alternate lines (1 Reply)

2. Shell Programming and Scripting

Hi, I'm new to Unix. I want to read the all the lines from a text file and write the alternate lines into another file. Please give me a shell script solution. file1 ----- one two three four five six seven newfile(it should contain the alternate lines from the file1) ------- one... (6 Replies)

3. Shell Programming and Scripting

i have 2 files and i want to compare i currently cat the files and awk print $1, $2 and doing if file1=file2 then fail, else exit 0 what i want to do is compare values, with column 1 being a reference i want to compare line by line and then still be able to do if then statement to see if worked... (1 Reply)

4. Shell Programming and Scripting

hi, i have 2 files. file1: 1 2 3 4 5 6 file2: a b c d e f g h i (5 Replies)

5. Shell Programming and Scripting

Hi All, In continuation of my previous thread 'Add text at the end of line conditionally', I need to further modfiy the file after adding text at the end of the line. Now, I need to add a fixed charater string at alternate lines starting from first line using awk or sed.My file is now as below:... (10 Replies)

6. Shell Programming and Scripting

Hello, Please help me with this problem if you have a solution. I have two files: <file1> : In each line, first word is an Id and then other words that belong to this Id piMN-1 abc pqr xyz py12 niLM y12 FY4 pqs fiRLym F12 kite red <file2> : same as file1, but can have extra lds... (3 Replies)

7. Programming

Hi, I need to join every alternate line in a file for eg:input file $ cat abc abc def ghi jkloutput abc def ghi jklcode i wrote for this $ cat add_line.pl #!/usr/bin/perl -w my $count=1; #my $line=undef; my @mem_line; my $i=0; my $x=0; (2 Replies)

8. UNIX for Dummies Questions & Answers

Total UNIX Rookie, but I'm learning. I have columns of integer data separated by spaces, and I'm using a Mac terminal. What I want to do: 1. Compare "line 1 column 2" (x) to "line 2 column 2" (y); is y-x>=100? 2. If yes, display difference and y's line number 3. If no, increment x and y by... (9 Replies)

9. Shell Programming and Scripting

Hi, I have a file like 2011|ACC|.* 2013|ACC|.* 2011|ACCC|.* 2013|ACCC|.* 2013|ACCV|.* 2011|ADB|.* 2013|ADB|.* 2011|ADBC|.* 2013|ADBC|.* 2011|AIA|.* 2013|AXJ|.* 2013|NNN|.* .* represnts any alphanumeric characters after this part of the string I need a code to return only the... (3 Replies)

10. Shell Programming and Scripting

hi.. i have a fasta file with the following format >sequence1 CCGGTTTTCGATTTGGTTTGACT >sequence2 AAAGTGCCGCCAGGTTTTGAGTGT >sequence3 AGTGCCGCAGAGTTTGTAGTGT Now, i want to read alternate line and add "GGGGGGGGGGG" to end of every sequence Desired output: >sequence1... (4 Replies)