1. Filesystems, Disks and Memory

Hello! How I can increase or decrease predefined pipe buffer size? System FreeBSD 4.9 and RedHat Linux 9.0 Thanks! (1 Reply)

2. Shell Programming and Scripting

Hi, Can the cd command be invoked using pipes??? My actual question is slightly different. I am trying to run an executable from different folders and the path of these folders are obtained dynamically from the front end. Is there a way in which i can actually run the executable... (2 Replies)

3. Shell Programming and Scripting

can we use pipes to redirect the output of any command to grep ..... like i wanted to write this script about checking the online status of a certain user so ...can i send the output of who to grep directly using pipes... one way was this : who > temp grep $uname temp i was wondering if... (4 Replies)

4. Shell Programming and Scripting

set -A arr a1 a2 a3 a4 # START ssh -xq $Server1 -l $Username /usr/bin/ksh <<-EOS integer j=0 for loop in ${arr} do printf "array - ${arr}\n" (( j = j + 1 )) j=`expr j+1` done EOS # END ========= this is not giving me correct output. I... (5 Replies)

5. UNIX for Advanced & Expert Users

A broken pipe means that you are writing onto a pipe that has been closed by the other end. i have unix batch which forks some process and these processes are communicating each other via pipes. but sometimes i got too many broken pipe error. how can i search for the cause of these errors,... (1 Reply)

6. UNIX for Dummies Questions & Answers

im trying to figure out how to do the following: using pipes to combine grep and find commands to print all lines in files that start with the letter f in the current directory that contain the word "test" for example? again using pipes to combine grep and find command, how can I print all... (1 Reply)

7. Programming

Hello all, I am trying to learn more about programming Unix pipes in C. I have created a pipe that does od -bc < myfile | head Now, I am trying to create od -bc < myfile | head | wc Here is my code, and I know I might be off, thats why I am here so I can get some clarification. #include... (1 Reply)

8. Programming

problem solved. (1 Reply)

9. Programming

If a code forks 2 childs, what can the values be for the process id's of each of the child? I child pid is supposed to be 0, but what if you fork 2 of them? (5 Replies)

10. Shell Programming and Scripting

There are 4 files inside one folder matching criteria i.e. File name = ABCJmdmfbsjopXXXXXXX_mm-dd-yyyy_XXX.data Here is the Code which find the files matching criteria:- TS=`date +"%m-%d-%Y"`| for fname in `find . -name "ABCJmdmfbsjop???????_${TS}*.data"` do # Matching File Processing Code.... (1 Reply)