Shell Programming and Scripting

Hi all,

Wondering how this could be accomplished........

a directory contains sequentially numbered files from fw01 to fw999.

How would I insert an additional zero so that the directory lists these files in a proper manner?

(i.e. all double digit files from fw01 to fw99 would become fw001 to fw099)

Should have thought of this at the start of the project, but a "quickie rename trick" would save a significant amount of time.

Regards & TIA

putter

Try:

Code:

for f in fw??; do
  echo mv "$f" "fw$(printf "%03d" ${f#fw})"
done

remove echo if it looks OK...

Code:

for i in fw[0-9][0-9]
do
     mv $i "fw0${i: -2}"
done

You're a STAR! Worked like a charm. Thank you!!

Shell scripting is something of a "dark art" I have yet to get my head around.

putter