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added language prettify tag

edited Jun 19, 2017 at 15:23

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Using GNU date and brute force:

start=20170101 end=20170630 cur=$start increment="1 day" while [ $(date +%s -d "$cur") -le $(date +%s -d "$end") ] do if [ "$(date +%A -d "$cur")" = "Saturday" ] then printf "%s\n" "$cur" increment="1 week" fi cur=$(date +%Y%m%d -d "$cur + $increment") done

start=20170101 end=20170630 cur=$start increment="1 day" while [ $(date +%s -d "$cur") -le $(date +%s -d "$end") ] do if [ "$(date +%A -d "$cur")" = "Saturday" ] then printf "%s\n" "$cur" increment="1 week" fi cur=$(date +%Y%m%d -d "$cur + $increment") done

Using GNU date and brute force:

start=20170101 end=20170630 cur=$start increment="1 day" while [ $(date +%s -d "$cur") -le $(date +%s -d "$end") ] do if [ "$(date +%A -d "$cur")" = "Saturday" ] then printf "%s\n" "$cur" increment="1 week" fi cur=$(date +%Y%m%d -d "$cur + $increment") done

Using GNU date and brute force:

start=20170101 end=20170630 cur=$start increment="1 day" while [ $(date +%s -d "$cur") -le $(date +%s -d "$end") ] do if [ "$(date +%A -d "$cur")" = "Saturday" ] then printf "%s\n" "$cur" increment="1 week" fi cur=$(date +%Y%m%d -d "$cur + $increment") done

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answered Jun 19, 2017 at 15:07

Jeff Schaller ♦

68.8k
35
122
267

Using GNU date and brute force:

start=20170101 end=20170630 cur=$start increment="1 day" while [ $(date +%s -d "$cur") -le $(date +%s -d "$end") ] do if [ "$(date +%A -d "$cur")" = "Saturday" ] then printf "%s\n" "$cur" increment="1 week" fi cur=$(date +%Y%m%d -d "$cur + $increment") done