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Creating a directory based on date

 
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# 1  
Old 08-20-2015
Creating a directory based on date
I want to create a directory based on date. I do not have date -d command. What I do have is:

either use "date" command to get current date

or
Code:
 DATE1=$(perl -e 'print scalar(localtime(time - 1 )), "\n";' |awk '{print $2,$3,$5}') |awk '{print $3}'

can be modified to produce the desired year.

Then as soon as the year changes to 2016 I want the mkdir command in a script to then do a mkdir 2016, and 2017 and so on as the year increments in the current directory. So there will be another year folder each time the new year comes around.

Is this possible?

So far I now have this:
Code:
 if [[ $d == 2014 ]]; then x=$(($d+1)); mkdir $x; fi

it is a good start, but I want it to continue incrementing for each year
Last edited by newbie2010; 08-20-2015 at 04:53 PM..
# 2  
Old 08-20-2015
You say you don't have
Code:
date -d

Do you have the date command without the -d option? If you do, something like
Code:
$ date "+%Y"
2015
$

does the trick on my system. "man date" and search for "format" for other options. Adding something like
Code:
0 0 1 1 * mkdir <some-path>/`date "+%Y"`

to your root crontab ought to do the trick. You can stack the `date` format options to get something like foobar/2015/08/20/ .. etc
Last edited by featheredfrog; 08-20-2015 at 05:10 PM..
These 2 Users Gave Thanks to featheredfrog For This Post:
MadeInGermany newbie2010
# 3  
Old 08-20-2015
Not sure if this is what you want...
OSX 10.7.5, default bash terminal.
Just loop it as required and modify to suit...
Code:
#!/bin/bash
# newdir
YEARPATH="/Users/barrywalker/"
DATE=( $(date) )
if [ -e "$YEARPATH${DATE[3]}" ]
then
	echo "Drawer exists..."
	sleep 1
else
	mkdir "$YEARPATH${DATE[3]}"
fi
exit 0

Results...
Code:
Last login: Thu Aug 20 21:12:56 on ttys000
AMIGA:barrywalker~> cd Desktop/Code/Shell
AMIGA:barrywalker~/Desktop/Code/Shell> chmod 755 newdir
AMIGA:barrywalker~/Desktop/Code/Shell> ls /Users/barrywalker/
03080.sh		AAWG			Movies
03083.sh		AudioScope.sh		Music
03090.sh		AudioScope.sh.txt	Pictures
03100.sh		AudioScope.sh~		Public
03120.sh		AudioScope.txt		Scope
03140.sh		BW_HELP			URL
03180.sh		Desktop			listing.txt
03197.sh		Documents		sox-14.4.0
03220.sh		Downloads
03220.txt		Library
AMIGA:barrywalker~/Desktop/Code/Shell> ./newdir
AMIGA:barrywalker~/Desktop/Code/Shell> ls /Users/barrywalker/
03080.sh		2015			Library
03083.sh		AAWG			Movies
03090.sh		AudioScope.sh		Music
03100.sh		AudioScope.sh.txt	Pictures
03120.sh		AudioScope.sh~		Public
03140.sh		AudioScope.txt		Scope
03180.sh		BW_HELP			URL
03197.sh		Desktop			listing.txt
03220.sh		Documents		sox-14.4.0
03220.txt		Downloads
AMIGA:barrywalker~/Desktop/Code/Shell> ./newdir
Drawer exists...
AMIGA:barrywalker~/Desktop/Code/Shell> ./newdir
Drawer exists...
AMIGA:barrywalker~/Desktop/Code/Shell> ./newdir
Drawer exists...
AMIGA:barrywalker~/Desktop/Code/Shell> _

Notice the 2015 drawer now exists and is ignored until the next year is reached.
# 4  
Old 08-20-2015
With a recent bash, you could use the %(...)T format string. And, why don't you just bluntly run mkdir and ignore the error msg?
Code:
 mkdir $(printf "%(%Y)T\n")
mkdir: cannot create directory ‘2015’: File exists

It will create the 2016 directory when time comes.
 
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