Shell 遍历文件夹
例1
1 #! /bin/bash 2 read_dir(){ 3 a=0 4 declare -a arr 5 for file in `ls $1` 6 do 7 a=$a+1 8 if [ -d $1"/"$file ] 9 then 10 arr[$a]=$1"/"$file 11 echo $1"/"$file 12 fi 13 done 14 return $((arr)) 15 } 16 17 result=($(read_dir $1)) 18 # echo "aaaa:${result[*]}" 19 echo ${#result[@]} 20 for element in ${result[@]} 21 do 22 # echo "ffmpeg -f concat -i -safe 0 $element/files.txt -c copy $element.ts" 23 # 删除包含df00的行 24 echo "sed -i '/df00/d' $element/files.txt" 25 a='y' 26 if [[ $2 = $a ]] 27 then 28 sed -i '/df00/d' $element/files.txt 29 fi 30 # 删除首行 31 # echo "sed -i '1d' $element/files.txt" 32 # 删除1到10行 33 # echo "sed -i '1,10d' $element/files.txt" 34 echo "ffmpeg -f concat -i $element/files.txt -c copy $element.ts" 35 if [[ $2 = $a ]] 36 then 37 ffmpeg -f concat -i $element/files.txt -c copy $element.ts 38 fi 39 echo "rm -rf $element" 40 if [[ $2 = $a ]] 41 then 42 rm -rf $element 43 fi 44 echo "" 45 echo "" 46 47 done
例2
1 read_dir(){ 2 a=0 3 declare -a arr 4 for file in `ls $1` 5 do 6 a=$a+1 7 if [ -f $1"/"$file ] 8 then 9 arr[$a]=$1"/"$file 10 echo $1"/"$file 11 fi 12 done 13 return $((arr)) 14 } 15 16 result=($(read_dir $1)) 17 # echo "aaaa:${result[*]}" 18 if [[ $1 = '.' ]] 19 then 20 echo ${#result[@]} 21 for element in ${result[@]} 22 do 23 filename=${element%.*} 24 suffix=${element##*.} 25 26 if [[ $suffix != 'ts' ]] 27 then 28 # echo '1' 29 continue 30 fi 31 echo $filename $suffix 32 if [[ $2 = 'y' ]] 33 then 34 ffmpeg -i $element -c copy $filename.mp4 35 rm -rf $element 36 else 37 echo "ffmpeg -i $element -c copy $filename.mp4" 38 echo "rm -rf $element" 39 fi 40 41 done 42 fi
