GREP a range of files with a numeric filename-CodePudding

I have files that are located in a temp folder that I need to move to another folder, the files are named in sequence as so:

1_492724_860619121.dbf.gz
1_492725_860619121.dbf.gz
1_492726_860619121.dbf.gz
...
1_493069_860619121.dbf.gz

I used to move these files monthly so I used grep on the month in question :

for i in `ls -ltr | grep Jul|awk '{print $9}'`; do mv $i JulFolder; done

Now I only want to move a range of files based on their name :
from 1_492724_860619121.dbf.gz to 1_493053_860619121.dbf.gz

What is the correct use the of combination of grep and awk to select the desired files ?

Note that awk '{print $9}' is used to select the right column containing the files' name from ls -ltr.

CodePudding user response：

Did you try with a bash range?

mv 1_{492724..493053}_860619121.dbf.gz somefolder/

CodePudding user response：

Can be done with plain POSIX-shell grammar:

#!/bin/sh

min=492724
max=493053
src_dir=./
dst_dir=~/somewhere
mkdir -p "$dst_dir"

# Iterates path in src_dir matching the pattern
for path in "$src_dir"/1_*_*.dbf.gz; do

  # Trims out leading directory and 1_ prefix from path
  file_part=${path##*/1_}

  # Trims out trailing _* from file_part to keep only number
  number=${file_part%%_*}

  # Checks number is within desired range
  if [ "$number" -ge "$min" ] && [ "$number" -le "$max" ]; then
    # Moves the file
    mv -- "$path" "$dst_dir/"
  fi
done

CodePudding user response：

You can try below. (change FROM and TO as you want)

for i in `ls -1|awk -F_ '{if($2 >= FROM && $2 <= TO) print $0}' FROM=492724 TO=493053`
do 
    mv $i toFolder
done