10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I want to grep multiple patterns from multiple files and save to multiple outputs. As of now its outputting all to the same file when I use this command.
Input : 108 files to check for 390 patterns to check for. output I need to 108 files with the searched patterns.
Xargs -I {} grep... (3 Replies)
Discussion started by: Diya123
3 Replies
2. Shell Programming and Scripting
I'm trying to get an output to echo on the next line in a given color and outputted next to a label.
Sorry if that's a bit vague, see below.
#!/bin/bash
YELLOW=$(tput setaf 3 && tput bold)
echo -n 'plaintext' | openssl md2 || read hash
echo "$YELLOW Hash:$hash"
But I can't seem to get the... (2 Replies)
Discussion started by: 3therk1ll
2 Replies
3. Shell Programming and Scripting
Hi All,
i have the following command
df|awk '{print $5}'|grep /| egrep -v '^/$|/usr|/opt|/var/log|/home|/tmp'
output looks like:
/filesystem/number1
/filesystem/number2
/filesystem3
/possiblymoreoutput
i want the output to look like the below (either in a file or to output to... (3 Replies)
Discussion started by: Tommyk
3 Replies
4. UNIX for Dummies Questions & Answers
I can use pipe output to a file. For example
./somescript.sh > output.txt
But for example if the output from ./somescript.sh is slow. like if it prints one line every minute then output.txt is not updated every minute. Lines are written to output.txt in one go, hence have to wait for the whole... (2 Replies)
Discussion started by: kevincobain2000
2 Replies
5. UNIX for Dummies Questions & Answers
Hi All. Thanks for your help in advance.
I have a requirement to examine the number of delimiters in each record of a file. If the record has the expected number of delimiters it should be passed into a 'good' file. If it does not, the record should be passed into a 'bad' file. I have been able... (8 Replies)
Discussion started by: codestar1
8 Replies
6. UNIX for Dummies Questions & Answers
Hi,
I am having a list of directories with different login id's. My requirement is that i need to list the directories of my id and need to delete them. So i am using following code
ls -ltr ¦ grep userid ¦ rm -rf
But this is not working. So is there any way of doing it. Please note... (3 Replies)
Discussion started by: sarbjit
3 Replies
7. UNIX for Dummies Questions & Answers
I am using grep and I want the output to go into two files without going to the screen. I used tee to get the output into two files, but it is also putting the output on the screen which i do not want. Can this be fixed. (2 Replies)
Discussion started by: NobluesFDT
2 Replies
8. Shell Programming and Scripting
anybody can help, plz:
I want to pass the output of "ls" to "grep":
ftp -n host <<!
USER user passwd
ls
bye
! | grep file
exit 0
It does not work!!
Any idea??
Sami (7 Replies)
Discussion started by: sami98
7 Replies
9. Programming
i am new to linux programming. can anyone answer my question?
there is one pipe file "my_pipe"
prw-r--r-- 1 john rnd 32 Aug 17 19:45 my_pipe
how to output string message (char*) to this pipe? which API should I use? (3 Replies)
Discussion started by: princelinux
3 Replies
10. Programming
Hi,
I have a program that runs two threads in stead of two processes. I want to use pipe to redirect the output of the first thread to the input of the second thread.
One thread is continuously writing to a pipe, and the other thread will read from the pipe.
How do I do that?
Is there... (2 Replies)
Discussion started by: wminghao
2 Replies