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I am trying to write a script that shows every Friday in a month.
I used
cal $1 $2 | grep -v "^$" | awk '{print $6}'

It doesn't work for the frist week of Friday because calendar command output...

Please tell me how can I wirte a function to return the date 7 days ago by using calendar command? :confused:

Thanks for the help

I am new to shellscript . PLease help me how can I write the following script.


[ ray@linux ] $ who
ray pts/0 aug 31 01:18 ( 65.169.28.200 )
ray pts/1 sep 2 02:28 ( 65.169.28.200...