---

mv: cannot stat '*jpg': No such file or directory
mv: cannot stat '*jpeg': No such file or directory
mv: cannot stat '*JPG': No such file or directory
mv: cannot stat '*png': No such file or directory
+ cd /media/hd0/qw/upload
+ ls -t
+ grep png$
+ tail -1
+ a=Screenshot_20230502-164702.png
+ [ -z  ]
+ qiv Screenshot_20230502-164702.png
+ echo Screenshot_20230502-164702.png
Screenshot_20230502-164702.png
+ touch_or_not
+ read -p touch it? (y/n) answer
touch it? (y/n)y
+ [ y = y ]
+ touch Screenshot_20230502-164702.png
+ set +x
png
    457     457   14196
jpg
    599     600   12806
jpeg
      7       7     177
JPG
    845     845   11745


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