10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Need to use dd to generate a large file from a sample file of random data. This is because I don't have /dev/urandom.
I create a named pipe then:
dd if=mynamed.fifo do=myfile.fifo bs=1024 count=1024
but when I cat a file to the fifo that's 1024 random bytes:
cat randomfile.txt >... (7 Replies)
Discussion started by: Devyn
7 Replies
2. Shell Programming and Scripting
Hello,
I have a folder with a massive amount of files, and I want to copy out a specific subset of the files to a new directory. I would like to use a text file with the filenames listed, but can't get it to work.
The thing I'm hung up on is that the folder names in the path can and do have... (5 Replies)
Discussion started by: twjolson
5 Replies
3. Shell Programming and Scripting
Hi,
I have 200 pictures in a folder and I would like move 10 random pictures every week to given folder automatically.
I have this server on 1and1.com.
So I tried the following using Bash script for manual copy and paste for testing
#!/bin/bash
mapfile -t -n 3 files < <(find... (13 Replies)
Discussion started by: raamkum
13 Replies
4. Shell Programming and Scripting
I have a file 1.txt with the below contents.
-----cat 1.txt-----
1234
5678
1256
1234
1247
-------------------
I have 3 more files in a folder
-----ls -lrt-------
A1.txt
A2.txt
A3.txt
-------------------
The contents of those three files are similar format with different data values... (8 Replies)
Discussion started by: realspirituals
8 Replies
5. Ubuntu
Hi
I am new to expect. Please if any one can help on my issue its really appreciable. here is my issue:
I want expect script for random passwords and random commands generation.
please can anyone help me?
Many Thanks in advance (0 Replies)
Discussion started by: vanid
0 Replies
6. Shell Programming and Scripting
Hello member's
I'm learning to script in the ksh environment on a Solaris Box.
I have 10 files in a directory that I need to pass, as input to a batch job one by one. lets say, the files are named as follows:
abcd.txt ; efgh.bat ; wxyz.temp etc. (random filenames with varied extensions ).... (1 Reply)
Discussion started by: novice82
1 Replies
7. UNIX for Dummies Questions & Answers
Hi there!
I have 150 txt files named chunk1, chunk2, ........., chunk150. I have a second file called string.txt with more than 1000 unique strings, house, dog, cat ... I want to know which command I should use to count how many times each string appears in the 150 files.
I have tried... (4 Replies)
Discussion started by: Pep Puigvert
4 Replies
8. Shell Programming and Scripting
Hello everyone,
What I'm trying to do is figure out how to ftp a set of random files each day about 50 or so maybe more or less.
I have a folder on my server that gets about 1000 or so new files each day, each with today's date in the file name. We just want to take a sample each day for... (3 Replies)
Discussion started by: whegra
3 Replies
9. Shell Programming and Scripting
The following script is used to loop through files in the /tmp directory and transfer those files onto another server.
However, some of the files do not transfer. It is very random when the transferring is done (i.e. one of the files won't transfer then next time, that one will transfer and... (1 Reply)
Discussion started by: RLatham20
1 Replies
10. Shell Programming and Scripting
Dear Masters,
Is there an easy way to generate a random list from a give list of names? Let's say, I have a file containing 15000 city name of world(spreadsheet, names in the first column), I would like to randomly pick up 50 cities each time for total 1000 picks. Or doesn't anyone know a... (3 Replies)
Discussion started by: mskcc
3 Replies