Handling Signals in System Calls
What will happen if signal comes while a system call is being executed? How it will be handled?
View Article[Solved] Help with grep script
Hi, I'm having trouble with a script to copy one line out of multiple files in a directory and copy to a file called test. I've tried the code below but it copies one line out of the first file...
View ArticleCommand to extract all columns except the last few from a txt file
hello, i have publicly available txt file with little less than 300000 rows. i want to extract from column 1 to column 218 and save it in another text file. i use the cut command but the file is saved...
View ArticleHelp in awk
i have a file with following entries in it # global_start # database # client default-router distance # excluded-address # ping packets # ping timeout #global_end I want to add ip excluded-address...
View ArticleDeleting the unwanted data based on condition
hi i have my input data like this Code: aaa bbb ccc asa dff nmj mnj saa dff oik aax cdx saa oik asq sdf dss i want my output file to be like this Code: mnj saa dff oik aax cdx saa oik i want to retain...
View ArticleDeleting Files Older than 1 hours.
How to Deleting Files Older than 1 hours. Base on SunOS. this file gen every 1 min. Code: -rw-r--r-- 1 nobody nobody 4960 Jan 27 02:02 23_201301270201.log -rw-r--r-- 1 nobody amudu 2325 Jan...
View ArticleConcatenate 560 files in one
HI all, could please help me in this code. I have 560 files containing the same columns but different rows. i want to concatenate all these files in one big file. i want to keep the header of the first...
View ArticleRemoving a set of Duplicate lines from a file
Hi, How do i remove a set of duplicate lines from a file. My file contains the lines: Code: abc def ghi abc def ghi jkl mno pqr jkl mno pqr stu vwx yza My output should look like: Code: abc def...
View ArticleCal command in UNIX
modify "cal " command to display calenders of the specified months. $ cal jan....aug
View ArticleReport printing
Hi. i am trying to print the contents of my text file with delimiter : separating them. Code: 6:15:ABC ABD:ABB ABE: 2:20:AEE ABH:ACC AAA: i have completed my header for the report but i am having...
View ArticleExtract part of a string
I have a file with 100s of lines of text. I want to perform an extraction of this line: Code: Info bpzs(pid=2652) using 1000 bits I have not been able to extract it. Should I try expr match or is there...
View Articleawk field separator
I need to set awk field separator to ";", but I need to avoid ";EXT". so that Code: echo a;b;c;EXTd;e;f | awk -F";" '{print $3}' would give " Code: c;EXTd "
View ArticleTiming READ command - any key to exit
Hello everyone, I would like some help on an issue I have related to the read command with ksh93 (Unix AIX). I want to implement a 'press any key to exit' scenario. I have the following code: Code:...
View ArticleHow do I count strings on each line?
Hi Im a very inexperienced bioinformatician I have a large DNA file with about 10000 lines of sequence and need to count the occurrence of TA for each line for example in the file Code: TACGCGCGATA...
View ArticleHow to increase history number in UNIX?
Hi All, when i use history command i got the last 1000 command i want to increase this to 10000 how can i do that
View ArticleWhat does version 5.10 means? Solaris 5 or Solaris 10 ?
Hi all, in Solaris what does the output below means? Code: -bash-3.00$ showrev Hostname: machine1 Hostid: 4540f35178c0 Release: 5.10 Kernel architecture: sun4us Application architecture: sparc Hardware...
View ArticleHelp asap squid with 2 nic cards setup
I found an old post that talks about 2 nice cards and it is driven by the IP address .... but I didn't understand it because the 2 people skipped information for me the newbie.. Can someone help me......
View ArticleCalculate the average of a column based on the value of another column
Hi, I would like to calculate the average of column 'y' based on the value of column 'pos'. For example, here is file1 Code: id pos y c 11 1 220 aa 11 4333 207 f 11 5333 112 ee 11...
View Articleawk function
Hi all, I need to have informations in a URL : Code: https://www.autolib.eu/stations/ Valors I need are in bold: Code: {"charging_status": "nonexistent", "rental_status": "future",...
View ArticleRevision Control System
We've recently migrated from Unix to Linux, and unfortunately one of the command 'chown' is turned down on the new environment. My dilemma is that whenever a user co (check-out), on new environment,...
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