Comments for jonathanwagner.net

Comment on Zero Padding in Bash by Binny V A

Binny V A — Tue, 01 Jul 2008 18:50:52 +0000

Thanks! I was going to write a script for this - you saved my time.

Comment on Zero Padding in Bash by gxx

gxx — Wed, 25 Jun 2008 02:16:32 +0000

Thanks SirPavlova, that was exactly what I was looking for…

Comment on Zero Padding in Bash by SirPavlova

SirPavlova — Mon, 12 May 2008 19:53:03 +0000

For anyone wanting to do this using jot, try “jot -w %03d 10 1″ for 001 to 010, etc. Hopefully this saves one or two people a trip to the man pages.

Comment on Zero Padding in Bash by pedro

pedro — Sat, 26 Apr 2008 11:01:45 +0000

Great stuff, I used to program in C and C++ but never really realised how printf() could fit in shell commands/scripts.

Now I do! Good on ya, thanks

Comment on Zero Padding in Bash by William Tracy

William Tracy — Wed, 20 Feb 2008 06:07:48 +0000

Thank-you.

Thank-you, thank-you.

Comment on Zero Padding in Bash by snakehsu

snakehsu — Fri, 25 Jan 2008 13:29:06 +0000

Thanks for the tips. For your particular case you can use seq no problem. But sometimes you may need to use these numbers as array index, which is my case, in which I cannot use seq -w as Bash consider 01, 02 … as octet numbers so 08 and 09 would be “illegal” index. So I used seq without -w as index and used your printf method to generate zero paddings when I need them in the filename.

Comment on Zero Padding in Bash by David

David — Thu, 08 Nov 2007 14:26:32 +0000

seq has an option to zero-pad (-w) so you can just do this:

seq -w 1 31

Comment on Zero Padding in Bash by al

al — Thu, 21 Jun 2007 18:37:26 +0000

Starting to work on some BASH stuff the other day and this saved my sanity. Thanks!

Comment on Zero Padding in Bash by John

John — Sat, 09 Jun 2007 09:42:50 +0000

For generating this sort of thing seq can generate zero padded sequences of numbers…

for i in `seq -f ‘%02g’ 1 31` ; do mkdir $i ; done

Comment on Zero Padding in Bash by Nikhil

Nikhil — Fri, 01 Jun 2007 02:34:23 +0000

Thanks! It is true that searching the web doesn’t give much help for padding numbers in bash! Your article was really helpful!