1. UNIX for Dummies Questions & Answers

I'm having a problem when the first line or first character of a file is blank. I need to get rid of both of them when they occur but don't want to delete the line. Does anyone have any suggestions? (7 Replies)

2. AIX

i want a command for my script!!! say file consists of character 123 125 127. i need a query to replace the number 2 with 0 so the output should be 103 105 107. i use unix-aix (8 Replies)

3. Shell Programming and Scripting

Can someone help me to write a script / command to read in a file, character by character, replace any unknown ASCII characters with space. then write out the file to a new filename/ Thanks! (1 Reply)

4. Shell Programming and Scripting

Hi Guys, I have a file in which each set of records are separated by two blank line. I want to replace it with a single blank line. Can you guys help me out? Regards, Magesh (9 Replies)

5. Shell Programming and Scripting

hi, I have a doubt in replacing characters with blank. My requirement is that, i have one file and looks like below 4:ALTER SYSTEM DISCONNECT SESSION '193,191' IMMEDIATE; 6:ALTER SYSTEM DISCONNECT SESSION '205,7274' IMMEDIATE; 5:ALTER SYSTEM DISCONNECT SESSION '206,34158' IMMEDIATE;... (4 Replies)

6. Shell Programming and Scripting

Hi All, Was wondering how I can do the following.... I have a String as follows "ACCTRL000005022RRWDKKEEDKDD...." This string can be in a file called tail.out or in a Variable called $VAR2 Now I have another variable called $VAR1="000004785" (9 bytes long), I need the content of... (5 Replies)

7. Shell Programming and Scripting

Hi all, Greetings, I have the following scenario, The contents of main file are like : Unix|||||forum|||||||||||||||is||||||the||best so||||||be|||||on||||||||||||||||||||||||||||||||||||||||||||it And i need the output in the following form: Unix=forum=is=the=best so=be=on=it ... (3 Replies)

8. Shell Programming and Scripting

Hi, i want find the character '-' in a file from position 284-298, if it occurs i need to replace it with 'O ' for the position in the file. How to do that using SED command. thanks in advance, Sara (9 Replies)

9. UNIX for Advanced & Expert Users

hello i have file with 100k records and each one has certain value that starts at 28th column and certain value that starts at 88th column e.g. 1st file <25>1234567 ..... <88> 8573785485 i have aditional file with values which are related to value that starts at 88th column of the... (1 Reply)

10. Shell Programming and Scripting

Dear All, In a CSV file, say that a given column has been extracted. In that column, information is missing (i.e. blank lines appear). I would like to replace the blank lines by the last valid line (not blank) previously read. For example, consider the extract below: 123 234 543 111... (7 Replies)