Single command pipe

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1. UNIX Desktop Questions & Answers

How to squeeze multiple pipe character '|' into single '|' using sed?

Hi, I am trying to convert multiple Unix pipe symbol or bar into single |. I have tried with the following sed statements, but, no success :(. I need it using sed only echo "sed 's/\|\+/\|/g' sed 's/*/\|/' sed 's/\|*/|/' sed -r 's/\|+/\|/' However, the below awk code is working fine....

2. Shell Programming and Scripting

Single command - unzip files from a tar command

I have a tar file that contains multiple .Z files. Hence I need to issue a tar command followed by a gzip command to fully extract the files. How do I do it in a single command? What I'm doing now is tar xvf a.tar (this will output 1.Z and 2.Z) gzip -d *.Z (to extract 1.Z and 2.Z)

3. Shell Programming and Scripting

pipe in command

Hello, I try to concatenate a command to execute. Sadly it throws an error. #!/bin/bash cd / cmd="find -name *.txt | awk '{ printf "FILE: "$1; system("less "$1);}' | egrep 'FILE:|$1'" echo "1." $($cmd) echo "2." $("$cmd") echo "3." `$cmd` echo "4." `"$cmd"`1.&3. 'find: paths must...

4. Programming

Multiple children and single pipe

Greetings everyone, I need a bit of help in solving the following problem: I'm given an array of numbers and I have to compute the sum of the array elements using n processes, and the inter process communication has to be done with pipes(one pipe, to be exact). I managed to solve the problem...

5. UNIX for Advanced & Expert Users

unix command pipe

I am pretty new to UNIX. My client has a requirement where in a directory we have some files with somewhat similar name like test_XX.txt, test_XY.txt, test_XZ.txt, test_ZZ.txt, test_ZY.txt, test_ZX.txt, test_YY.txt......Out of these files few files have 0 bytes. Is there a way where we can go...

6. UNIX for Dummies Questions & Answers

How can I use pipe command ?

Hi My friends I have used this command to find files are modified within the past 24 hours and then many files are shown but I want transfer all these files to special directory by using pipe . can any one tell me what is the next step ?

7. HP-UX

How to use more than one MPE command STREAM with Unix command in a single shell?

Hello, I have problem in writing the shell script involving MPE command STREAM related to HP-UX and Unix command. Script is sh "nlshCMD 'STREAM <job name1>' | 'SHOWJOB' | grep $HPJOBNUM" sh "nlshCMD 'STREAM <job name2>' | 'SHOWJOB' | grep $HPJOBNUM" sh "nlshCMD 'STREAM <job name3>' |...

8. Shell Programming and Scripting

How to use more than one MPE command STREAM with Unix command in a single shell?

9. UNIX for Dummies Questions & Answers

pipe command

current dir : /home/sales ls -l abc.txt 17th aug bcd .txt 16t oct ------- ------ Total files : 100 if i want to move only those files dated 17 aug into another sub directory /home/sales/texas how do i pipe the result of 'ls' command to a 'mv' command

10. UNIX for Advanced & Expert Users

How to pipe command

Hi All, I want to create a command that executes a text editor with the most recent file in the current current directory. So a good start to achieve this is : ls -lrt | cut -c55- | tail -1 which provides the name of the most recent file in a directory The problem is to pipe the...

Shell Programming and Scripting