$ # before $ ls -1 big world keeps turning bye bye fred hello world $ ls -1 | grep " " | awk '{printf("mv \"%s\" ",$0); gsub(/ /,"_",$0); printf("%s\n",$0)}' | sh # rename filenames: spaces to "_" $ # after $ ls -1 big_world_keeps_turning bye_bye fred hello_world
Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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ls|while read f;do mv "$f" "${f// /_}";done
rename 'y/ /_/' *
# before
ls -1
big world keeps turning bye bye fred hello worldls|while read f;do mv "$f" "${f// /_}";done
mv: `fred' and `fred' are the same file# after
ls -1
big_world_keeps_turning bye_bye fred hello_world I think we need a ' | grep " " ' in there.ls "* *"|while read f;do mv "$f" "${f// /_}";done
ls -1
big world keeps turning bye bye felicity hello two spaces embeddedls "* *"
ls: cannot access * *: No such file or directory This works (for me):ls | grep " " | while read f;do mv "$f" "${f// /_}";done
# after
ls -1
big_world_keeps_turning bye_bye felicity hello two__spaces__embeddedls|awk '/ /{c=$1; for (i=2;i<=NF;i++) c=c "_" $i; system("mv \"" $0 "\" \"" c "\"")}'