10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Why does this until false; do history | head -5; done
result in a stdout infinite loop, yet until false; do history | head -5 > hist5; done
only writes it once to file hist5? Furthermore, I can hear the hard drive working on the 2nd command until I end the process, but the history | head -5 is... (1 Reply)
Discussion started by: Xubuntu56
1 Replies
2. Shell Programming and Scripting
I have a python script that gives output called test.png. By using the following command I run the script every 2 seconds. What is the easiest way to save the output as follows ( test.png (1st output), tes1.png (second output), tes2.png ....)
Command I i use
while sleep 2; do python... (1 Reply)
Discussion started by: quincyjones
1 Replies
3. Shell Programming and Scripting
Hi Friends,
This is the only solution to my task. So, any help is highly appreciated.
I have a file
cat input1.bed
chr1 100 200 abc
chr1 120 300 def
chr1 145 226 ghi
chr2 567 600 unix
Now, I have another file by name
input2.bed (This file is a binary file not readable by the... (7 Replies)
Discussion started by: jacobs.smith
7 Replies
4. Shell Programming and Scripting
Hello all. I've been lurking here for a year or two and finally decided to post.
I need some assistance with file descriptors, stdout, and redirecting output. I've searched through a number of very helpful threads here (unfortunately I can't link to any of them yet due to my low post count...),... (2 Replies)
Discussion started by: Michael_K
2 Replies
5. Shell Programming and Scripting
Hi All,
I have around 900 Select Sql's which I would like to run in an awk script and print the output of those sql's in an txt file.
Can you anyone pls let me know how do I do it and execute the awk script? Thanks. (4 Replies)
Discussion started by: adept
4 Replies
6. Shell Programming and Scripting
Using echo command, send output to both places. I think I knew this but forgot. Thanks in advance (2 Replies)
Discussion started by: stevensw
2 Replies
7. Shell Programming and Scripting
hi
i m trying to print the permissions for a file in output
echo name
read name
touch name.txt
permission=$((ls -l $name.txt))
echo permission
please suggest where i went wrong? (2 Replies)
Discussion started by: angel12345
2 Replies
8. Shell Programming and Scripting
I am trying to have a script ping all the clients then output it to a file so I know which clients are off then have the next script pull the ones that are online and reboot them.
This is what I am running with right now. If there is something KISS then by all means please let me know.
... (3 Replies)
Discussion started by: deaconf19
3 Replies
9. Shell Programming and Scripting
hello hackers.
i have a curl process running as cgi directly pushing stdout to the client. but i want to additionally save that stream to a file at the same time.
any directions madly welcome.
thanks in advance (3 Replies)
Discussion started by: scarfake
3 Replies
10. Shell Programming and Scripting
Hello everybody,
Is there a more elegant way to make dual output (display on standard output and append to a file) while I'm executing a shell script, besides duplicating the echo command for every string?
echo "Message..." > 1
echo "Message..." >> myfile.out
Thank you for your time,... (2 Replies)
Discussion started by: AdrianM
2 Replies