1. Programming

Function: int fcntl(int fd, int cmd, struct flock * lock) Data Type: struct flock This structure is used with the fcntl function to describe a file lock. It has these members: off_t l_start This specifies the offset of the start of the region to which the lock applies, and... (1 Reply)

2. Shell Programming and Scripting

Hello, I need help to write a script to do the following: 1) read the following file vol_check.out 2) report any negative value with host and volume name vol_check.out file contents: ---------------------------------- prod_filer1 ---------------------------------... (2 Replies)

3. Shell Programming and Scripting

Hi, I want to search for a return code of -3. Using grep "-3" *.* is giving a syntax error. Please suggest as to how can we search for this pattern using grep. Thanks, Krishna (2 Replies)

4. Shell Programming and Scripting

I have a file file1.dat with the following lines 22885068900000652 B86860003OLFXXX592123320081227 22885068900000652 B86860003ODL-Sp592123420081227 22885068900000652-B94030001ODL-Ch592123520081227 23666483030000653-B94030001ODL-Ch000000120081227 23797049900000654-E71060001OLFXXX000000220081227... (3 Replies)

5. Shell Programming and Scripting

I have read many tutorials and cannot get this to work. I need to use pcre (because that is what the library in the software we are using uses) and pcregrep everything except /home from the /etc/fstab pcregrep '(?!/home)' /etc/fstab It returns the entire fstab (This is on a RHEL5... (1 Reply)

6. Shell Programming and Scripting

How to change value in column 5 to negative based on value in column 2 ? Example: For all records with A in column 2 change value in column 5 to negative. file Code: 1234~A~b~c~10~e~f~g~h~09/10/09 1234~A~b~c~75~e~f~g~h~11/12/10 1234~A~b~c~40~e~f~g~h~12/06/10 5678~B~b~c~2~e~f~g~h~01/11/11... (4 Replies)

7. Shell Programming and Scripting

Hello, I am trying to write a bash script which will give me the most negative number. Here is an example input: Ce 3.7729752124 -4.9505731588 -4.1061257680 Ce -6.9156611391 -0.5991784762 7.3051893138 Ce 7.6489739875 0.3513020731 ... (6 Replies)

8. Post Here to Contact Site Administrators and Moderators

Hi All, I have received a notification that I have posted a question double times. But I have not done all this intentionally. I have just joined this site and was not aware of the rules. Also I have my bits in negative. what does that mean. Thanks (1 Reply)

9. UNIX for Beginners Questions & Answers

Is there a fast way to convert a negative decimal value into a signed binary number in bash script ? I've looked a lot on internet but I saw nothing... (For exemple : -1 become 11111111.) (9 Replies)