I'm trying to create a function that goes to a specific directory, and if a single argument is specified add that to the directory string. But no matter what I try I can't get it to work and bash always reports that X is not a directory even though if I copy/paste it to a new command line it works from there. function projects () { DI...
I have a source input, input.txt a.txt b.txt c.txt I want to feed these input into a program as the following: my-program --file=a.txt --file=b.txt --file=c.txt So I try to use xargs, but with no luck. cat input.txt | xargs -i echo "my-program --file"{} It gives my-program --file=a.txt my-program --file=b.txt my-program --file=...
Example of usage (contrived!): rename .mp3 files to .txt. I'd like to be able to do something like find -name '*.mp3' -print0 | xargs -0 -I'file' mv file ${file%.mp3}.txt This doesn't work, so I've resorted to piping find's output through sed -e 's/.mp3//g', which does the trick. Seems a bit hackish though; is there a way to use the...
Xargs can be used to cut up the contents of standard input into manageable pieces and invoke a command on each such piece. But is it possible to know which piece it is ? To give an example: seq 1 10 | xargs -P 2 -n 2 mycommand will call mycommand 1 2 & mycommand 3 4 & mycommand 5 6 & mycommand 7 8 & mycommand 9 10 & But I would like...