The command Touch?

[peman]

Hi

I need to know how to create several files in one command line?

I want to have ch01 ch02 ch03... and so on up to ch14

Is'nt the touch command?

 

I also want to know how to create several files with content like author or something like that.

 

Thanks! :)

Edited March 30, 2004 by peman

[feralertx]

Hope this helps, at least for the first part.

[ramfree17]

uh, uh, i think i know this one... its not as complex as what gAru would propose but this should be enough...

 

#!/bin/bash

ctr=0
stop=14
while [ $ctr -lt $stop ] 
do
 touch "file$ctr"
 ctr=`expr $ctr + 1`
done

 

ciao!

[aru]

I couldn't resist, ramfree + bash, my two favorite discussion topics :P

 

While ramfree's advice is 100% correct, I would have done it using a "for" loop:

 

#! /bin/bash

for ((i=1; i<=14; ++i)); # or for i in $(seq 14);

do

        touch $(printf "ch%02d" $i)

done

 

 

The printf stuff allows you to name the files as you wanted:

~/example$ ./thisscript
~/example$ ls
ch01  ch03  ch05  ch07  ch09  ch11  ch13
ch02  ch04  ch06  ch08  ch10  ch12  ch14

 

If you want to include, for example the author name on each file, then instead of using the touch command just replace that line with this one:

echo "Author: Myself" > $(printf "ch%02d" $i)

 

Hence, on each file you'll have that text ; ie:

 ~/example$ cat ch01
Author: Myself

 

HTH

[Steve Scrimpshire]

[Qchem]

gah, thats just too good - I was thinking about this and probably would have reached for sed instead of echo - KISS (to me)!!!

[aru]

Your comments cant be good for my ego, sure :P

[ramfree17]

bah! a simple question flooded by bash elitism.

 

kidding aside, i wouldnt have thought of that solution. :woops:

 

ciao!

[iphitus]

whoa, hey aru, ive got a pile of mp3s and they are unfortunately sorted into folders of the artist then subfolders of the album, how can i put all the mp3s in one directory?

[ramfree17]

just move everything to a directory? you could use find+xargs to copy them over.

 

or lets wait gAru to whip up something that also arranges them according to genre

 

ciao!

[aru]

just move everything to a directory? you could use find+xargs to copy them over.

 

Though right, it could be done w/o xargs:

~$ find basedir/ -iname "*.mp3" -exec bash -c 'mv $1 DEST_DIR/' {} {} \;

 

or lets wait gAru to whip up something that also arranges them according to genre

 

ciao!

 

That's simple :P just replace DEST_DIR with the output of mp3info -p '%g' mp3file; the problem is that all the mp3 should have a coherent genre value (if not, you might end with a new directory for each mp3, and of course, it must have a valid ID3 tag.

 

For example, this would be (not tested):

 ~$ find basedir/ -iname "*.mp3" -exec bash -c 'GENRE_DIR=$(mp3info -p "%g" $1); [ "${GENRE_DIR}" == "" ] && GENRE_DIR=no_genre_dir/; mkdir -p "$GENRE_DIR"; mv $1 "$GENRE_DIR/"' {} {} \;

 

trivial, isn't it?

 

Edited April 6, 2004 by aru

[ramfree17]

 ~$ find basedir/ -iname "*.mp3" -exec bash -c 'GENRE_DIR=$(mp3info -p "%g" $1); [ "${GENRE_DIR}" == "" ] && GENRE_DIR=no_genre_dir/; mkdir -p "$GENRE_DIR"; mv $1 "$GENRE_DIR/"' {} {} \;<!--QuoteEBegin-->

 

trivial, isn't it?

 

NUTS!!!!

[aru]

you shouldn't put on proof THE MASTER!! :mmmwwwaaaahahahahaha

 

 

 

PS: I've added your blog to my bookmarks, it promises

Edited April 6, 2004 by aru

[ramfree17]

you shouldn't put on proof THE MASTER!! :mmmwwwaaaahahahahaha

 

 

 

PS: I've added your blog to my bookmarks, it promises 

too much offtopic... i just replied here. B)

 

ciao!