linux file statistics operation

Traverse folder statistics statement:

for dir in `find /alidata1/trip/img/ -type d ` ;do echo -n "$dir "  ;find $dir -name "*.jpg"  -type f | wc -l ;echo "" ;done;

Statement description:

• The for dir in loop processes the list of folders queried by `find /opt -type d`,
• do echo -n "$dir " output folder name
• find $dir -name "*.jpg" -type f | wc -l ; count the number of files in a folder
• done ends the loop

Parameter Description:

• -type file type matches d folders, f files
• -name The file name matches *.jpg to match the file with the suffix jpg