ERP - MES Interface - several function Post: 302774493

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Top Forums Shell Programming and Scripting ERP - MES Interface - several function Post 302774493 by Noobie1995 on Saturday 2nd of March 2013 07:13:17 AM

03-02-2013

Registered User

ERP - MES Interface - several function

Hi all,

I am a rookie regarding shell script programming, YET!! :-)

Hence, I have choosen a problem from my bad side of life (my job) and I wil try to solve it by using a shell script and get knowledge concerning shell script programming.

Question: As you can see I have already figured out how to use a function, variables, different standard funtions (if, loops,etc). But I struggeld by using the printf function in order to add blanks to string. If the string which I pass into the function is longer than 40 digits then the printf function has to shorten string to 40 digits. This function works perfectly but if the string is shorter than 40 digits then the printf function has to add blanks until the string has a lenght of 40 digits but this part of my shell script doesn't work Smilie

!!! The function adds only ONE blank

Code:

#!/bin/bash
fkt_auffuellen()
{
case $1 in
 "C")
   if [ ${#2} -eq $3 ]; then
    value=$2
   elif [ ${#2} -lt $3 ]; then 
    value="$(printf "%-$3s" $2)"
   else
    value="$(printf "%.$3s" $2)"
fi;; 
 "N")
;;
 "D")
;;
esac
}
vorg_nr_t=C
vorg_nr="AUFTRAG005-010010"
vorg_nr_l=40
fkt_auffuellen $vorg_nr_t $vorg_nr $vorg_nr_l
echo $value

if anyone can give an advice it would be great!!!!

Thanks in advance and cold but sunny greetings form BERLIN Area!

Noobie1995

P.S.: I am so sorry for my english it has been a while..........

Noobie1995

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git-sh-i18n

GIT-SH-I18N(1)                                                      Git Manual                                                      GIT-SH-I18N(1)

NAME

       git-sh-i18n - Git's i18n setup code for shell scripts

SYNOPSIS

       . "$(git --exec-path)/git-sh-i18n"

DESCRIPTION

       This is not a command the end user would want to run. Ever. This documentation is meant for people who are studying the Porcelain-ish
       scripts and/or are writing new ones.

       The 'git sh-i18n scriptlet is designed to be sourced (using .) by Git's porcelain programs implemented in shell script. It provides
       wrappers for the GNU gettext and eval_gettext functions accessible through the gettext.sh script, and provides pass-through fallbacks on
       systems without GNU gettext.

FUNCTIONS

       gettext
           Currently a dummy fall-through function implemented as a wrapper around printf(1). Will be replaced by a real gettext implementation in
           a later version.

       eval_gettext
           Currently a dummy fall-through function implemented as a wrapper around printf(1) with variables expanded by the git-sh-
           i18n--envsubst(1) helper. Will be replaced by a real gettext implementation in a later version.

GIT

       Part of the git(1) suite

Git 2.17.1                                                          10/05/2018                                                      GIT-SH-I18N(1)