Bash – Sort files in a folder into dated folders

bashcronmkdirshell

I am trying to organize my webcam picture files into folders otherwise I get thousands of pictures in one folder.

I have a script foscam-move.sh (from Create sub-directories and organize files by date) with the following:

#!/bin/bash

for x in *.jpg; do
  d=$(date -r "$x" +%Y-%m-%d)
  mkdir -p "$d"
  mv -- "$x" "$d/"
done

I have the script located in the folder with all of the .jpg files.

When I run it in terminal all is fine and it organizes it beautifully.

When I add the following cron task it doesn't run.

* * * * * /home/pi/Desktop/FI9821W_************/snap/foscam-move.sh # JOB_ID_2

I have it set to run every minute because this camera takes a lot of pictures.

How do I get cron to run my script every minute?

Best Answer

cron doesn't run with the same environment as your user. It's likely having issues because it's not in the proper directory. Have your script cd to the directory containing the images before executing your for loop.

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Bash – Shell script to delete oldest files and folders

I hope we don't need to bother about whether we have a single folder or multiple folders. if we remove the files w.r.t modified time.

Just check the Storage and remove the oldest 10 files in the folder

if [ $CurrentStorage -ge $StorageThreshold ];
then
  find $RootFolder -type f -printf '%T+ %p\n' | sort  | head -n 10 | awk '{print $NF}' | xargs rm -f
else
  echo "Storage threshold not yet reached."
fi

-type f -printf '%T+ %p\n' print the files with last modified timestamp.
sort to get the oldest file on top.
head -n 10 to get 10 oldest files.
awk '{print $NF}' to extract the file path.
xargs rm -f remove the files which are extracted.

For MAC:

 find $RootFolder -type f -print0 | xargs -0 ls -ltr | head -n 10 | awk '{print $NF}' | xargs rm -f

And an empty folder would hardly occupy space of 4Kb. If you would like to remove all empty folder except the latest, include below code.

  find $RootFolder -type d -empty -printf '%T+ %p\n' | sort | head -n -1 | xargs rm -rf

 ls -lt $RootFolder/* | awk -F ":" '/total 0/{print last}{last=$1}' | tail -n +2 | xargs rm -rf

It will remove all empty folder except the latest.

Best Answer

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Bash – Shell script to delete oldest files and folders

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