Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Printf padded string
Top Forums Shell Programming and Scripting Printf padded string Post 302955070 by Corona688 on Monday 14th of September 2015 01:12:22 PM
Old 09-14-2015
I don't think you can do this in one operation. The % modifiers consider parts individually, not as one. How I'd do it is:

Code:
LEN=30 # How long you want the string to be
PRELEN="${#PREFIX}" # Length of string prefix
DIGITS=$((LEN - PRELEN))

printf "%s%0${DIGITS}d\n" $PREFIX $NUMBER

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

find: problems escaping printf-command string

Hi Folks! Can you help me with this find -printf command. I seem to be unable to execute the printf-command from my shell script. I'm confused: :confused: My shell script snippet looks like this: #!/bin/sh .. COMMAND="find ./* -printf '%p %m %s %u %g \n'" echo "Command: ${COMMAND}"... (1 Reply)
Discussion started by: grahamb
1 Replies

2. Shell Programming and Scripting

awk printf formatting using string format specifier.

Hi all, My simple AWK code does C = A - B If C can be a negative number, how awk printf formating handles it using string format specifier. Thanks in advance Kanu :confused: (9 Replies)
Discussion started by: kanu_pathak
9 Replies

3. Shell Programming and Scripting

printf with Character String

I am trying to use printf with a character string that is used within a do loop. The problem is that while in the loop, the printf prints the variable name instead of the value. The do loop calls the variable name from a text file (called device.txt): while read device do cat $device.clean... (2 Replies)
Discussion started by: dleblanc67
2 Replies

4. Shell Programming and Scripting

Help formatting a string. Something like printf?

Hi I'm having a problem with converting a file: ID X 1 7 1 8 1 3 2 5 2 7 2 2 To something like this: ID X1 X2 X3 1 7 8 3 2 5 7 2 I've tried the following loop: for i in `cat tst.csv| awk -F "," '{print $1}'| uniq`;do grep -h $i... (4 Replies)
Discussion started by: flotsam
4 Replies

5. Shell Programming and Scripting

Explanation for printf string in awk

hi all can any one help me to understand this bdf -t vfxs | awk '/\//{printf("%-30s%-10s%-10s%-10s%-5s%-10s\n",$1,$2,$3,$4,$5,$6)}' i want to understand the numbers %-30S% (4 Replies)
Discussion started by: maxim42
4 Replies

6. Shell Programming and Scripting

String formatting using awk printf

Hi Friends, I am trying to insert lines of the below format in a file: # x3a4914 Joe 2010/04/07 # seh Lane 2010/04/07 # IN01379 Larry 2010/04/07 I am formatting the strings as follows using awk printf: awk 'printf "# %s %9s %18s\n", $2,$3,$4}' ... (2 Replies)
Discussion started by: sugan
2 Replies

7. Shell Programming and Scripting

How to print a string using printf?

I want to print a string say "str1 str2 str3 str4" using printf. If I try printing it using printf it is printing as follows. output ------- str1 str2 str3 str4 btw I'm working in AIX. This is my first post in this forum :) regards, rakesh (4 Replies)
Discussion started by: enigmatrix
4 Replies

8. Shell Programming and Scripting

Printf question: getting padded zero in decimal plus floating point together.

Hi Experts, Quick question: I am trying to get the output with decimal and floating point but not working: echo "20.03" | awk '{printf "%03d.2f\n" , $0 }' 020.2f How to get the output as : 020.03 Thank you. (4 Replies)
Discussion started by: rveri
4 Replies

9. Shell Programming and Scripting

Unable to match string within awk printf

Hi All I am working to process txt file into csv commo separated. Input.txt 1,2,asdf,34sdsd,120,haahha2 2,2,wewedf,45sdsd,130,haahha ..... .... Errorcode.txt 120 130 140 myawk.awk code: { BEGIN{ HEADER="f1,f2,f3,f4,f5,f6" (4 Replies)
Discussion started by: krsnadasa
4 Replies

10. Shell Programming and Scripting

Printf or any other method to put long string of spec characters - passing passwords

Hello, I am looking for a method to use in my bash script which allows me to use long strings with all special characters. I have found that printf method could be helpful for me but unfortunately, when I trying root@machine:~# tevar=`printf "%s%c"... (2 Replies)
Discussion started by: elxa1
2 Replies

LEARN ABOUT DEBIAN

ip-addrlabel

IP-ADDRLABEL(8) 						       Linux							   IP-ADDRLABEL(8)

NAME

       ip-addrlabel - protocol address label management

SYNOPSIS

       ip [ OPTIONS ] addrlabel  { COMMAND | help }

       OPTIONS := { -V[ersion] | -s[tatistics] | -r[esolve] | -f[amily] { inet | inet6 | ipx | dnet | link } | -o[neline] }

       ip addrlabel { add | del } prefix PREFIX [ dev DEV ] [ label NUMBER ]

       ip addrlabel { list | flush }

DESCRIPTION

       IPv6 address label is used for address selection described in RFC 3484.	Precedence is managed by userspace, and only label is stored in
       kernel.

   ip addrlabel add - add an address label
       the command adds an address label entry to the kernel.

       prefix PREFIX

       dev DEV
	      the outgoing interface.

       label NUMBER
	      the label for the prefix.  0xffffffff is reserved.

   ip addrlabel del - delete an address label
       the command deletes an address label entry in the kernel.  Arguments: coincide with the arguments of ip addrlabel add but label is not
       required.

   ip addrlabel list - list address labels
       the command show contents of address labels.

   ip addrlabel flush - flush address labels
       the command flushes the contents of address labels and it does not restore default settings.

SEE ALSO

       ip(8)

AUTHOR

       Manpage by Yoshifuji Hideaki /

iproute2							    20 Dec 2011 						   IP-ADDRLABEL(8)
All times are GMT -4. The time now is 02:53 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy