getting a previous date in bash/unix

bash shell unix solaris solaris-10
misguided picture misguided · Apr 16, 2013 · Viewed 61.3k times · Source

I am looking to get previous date in unix / shell script .

I am using the following code

date -d ’1 day ago’ +’%Y/%m/%d’

But I am getting the following error.

date: illegal option -- d

As far as I've read on the inetrnet , it basically means I am using a older version of GNU. Can anyone please help with this.

Further Info

unix> uname -a

SunOS Server 5.10 Generic_147440-19 sun4v sparc SUNW,Sun-Fire-T200

Also The below command gives an error.

unix> date --version

date: illegal option -- version
usage:  date [-u] mmddHHMM[[cc]yy][.SS]
date [-u] [+format]
date -a [-]sss[.fff]

Answer

kumarprd picture kumarprd · Apr 16, 2013

try this:

date --date="yesterday" +%Y/%m/%d

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