I'm learning a bit of Bash by using xargs to list whois records for a bunch of IP addresses. The command used is: echo "$1" | tr "\n" "\0" | xargs -0 -n 1 -t -P 3 -I % sh -c 'echo "\n 44rBegin whois ...
I'd made a script for launching parallel rsync process: #! /bin/bash LIST=$1 DEST_DIR=$2 RSYNC_OPTS=$3 #echo "rsyncing From=$SRC_DIR To=$DEST_DIR RSYNC_OPTS=$RSYNC_OPTS" echo $LIST|xargs -n1 -d, ...
I would like to implement a very popular MapReduce example using only existing programs operating in a UNIX way. The problem is to find N most frequent values in an enormous amount of data. The ...
I have a task that processes a list of files on stdin. The start-up time of the program is substantial, and the amount of time each file takes varies widely. I want to spawn a substantial number of ...
I've a problem modifying the files' names in my Music/ directory. I have a list of names like these: $ ls 01 American Idiot.mp3 01 Articolo 31 - Domani Smetto.mp3 01 Bohemian rapsody.mp3 01 Eye of ...
I'm using xargs with the option --max-args=0 (alternatively -P 0). However, the output of the processes is merged into the stdout stream without regard for proper line separation. So I'll often end ...