On 01/30/2018 12:45 PM, Cameron Simpson wrote: > On 30Jan2018 12:01, Patrick O'Callaghan <pocallaghan@xxxxxxxxx> wrote: >> On Tue, 2018-01-30 at 20:53 +1100, Cameron Simpson wrote: >>> cd your-staging-directory >>> n=1 >>> while : >>> do >>> for f in *.jpg >>> do >>> [ -s "$f" ] || continue >>> while : >>> do >>> target=$( printf 'your-ordered-directory/%05d-%s' "$n" "$f" ) >>> [ -e "$target" ] || break >>> n=$((n+1)) >>> done >>> mv "$f" "$target" >>> done >>> sleep 1 >>> done >>> >>> That does a "mv", so give it a good test on copies first to avoid it >>> eating >>> your files! >> >> On second thoughts, I don't think this is going to work: >> >>> Then just drag images into the staging directory in the right order >>> and the >>> shell script will move them into the ordered directory with nice numeric >>> prefixes. >> >> Dragging the files 'in the right order' doesn't affect their names. The >> script loops over the files in lexical order, not in the order I've >> dragged them, so the final order won't change. > > The idea is that the script picks up the files as fast as you drag them. > You might need to shrink the "sleep 1" to "sleep 0.1", or perhaps > better, to not sleep at all _if_ any files were run on that loop. The > sleep is there to stop your machine spinnning out when idle. If you need this to be asynchronous, have a look at inotifywait(1) (part of the inotify-tools RPM) and build your script using that tool. The script then becomes event-driven rather than using polling. > Provided the files are picked up suffiently promptly, they are meant to > each get a nice incrementing numeric prefix as you drag them, thus > ordering their names in the ordered directory. > >> Sorry if I wasn't clear enough in my initial post. > > I think I understood you. You seem to have missing the numeric profix in > the new names - the script _depends_ on you interactively dragging files > to the staging dir in a piecemeal fashion. > > Also note Jons bug report. > > Another untested version with a fix for his bug and a fix for the sleep > thing: > > cd your-staging-directory > n=1 > while : > do > moved= > for f in *.jpg > do > [ -s "$f" ] || continue > while : > do > target=$( printf 'your-ordered-directory/%05d-%s' "$n" "$f" ) > [ -e "$target" ] || break > n=$((n+1)) > done > mv "$f" "$target" > n=$((n+1)) > moved=1 > done > [ $moved ] || sleep 0.1 > done > > See how that logic feels to you. If you need this to be asynchronous, have a look at inotifywait(1) and build your script according to that. > > Cheers, > Cameron Simpson <cs@xxxxxxxxxx> (formerly cs@xxxxxxxxxx) > _______________________________________________ > users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx -- ---------------------------------------------------------------------- - Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx - - AIM/Skype: therps2 ICQ: 22643734 Yahoo: origrps2 - - - - "More hay, Trigger?" "No thanks, Roy, I'm stuffed!" - ---------------------------------------------------------------------- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
