: Batch renaming files to match exported file names? I'm importing files into a DAM, both RAW files and edited JPG's. Both file types are supposed to have the same file name, but I've run into

@Cugini998

And the operating system is ...?

for file in *dmg
do
nrdmg=${file/*_/}
nr=${nrdmg/.*/}
name=*_$nr.jpg
bn=$(basename $name .jpg);
echo mv $file $bn.dmg
done


If that looks good, remove the "echo".
This will work out of the box on a unixiod system with bash as shell, i.e. Linux, maybe MacOS.

There is a free sh-Implementation for Windows systems too. With WindowsPowderShell or command(32?64?).exe, similar commands should be possible, but I would expect a diffrent syntax.

If your files are in sequence, say from IMG_17.dmg to IMG_49.dmg, it would be even simpler:

for n in {17..49}; do jpg=*$n.jpg ; base=$(basename $jpg .jpg); echo mv IMG_$n.dmg $base.dmg; done


(Again the 'echo' is for first controlling.)

Note that on unixoid systems, the case of the names (JPG/jpg etc.) matters.

Second note: For leading zeros, you have to write them down:

for n in {01..09}; do jpg=*$n.jpg ; base=$(basename $jpg .jpg); echo mv IMG_$n.dmg $base.dmg; done

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