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Full Discussion: If loop query
Top Forums UNIX for Beginners Questions & Answers If loop query Post 302994526 by itkamaraj on Friday 24th of March 2017 03:09:59 AM
Old 03-24-2017
If is not loop. Its conditional statement.

I guess, APPEND is having string.

please try this

Code:
#!/bin/bash

echo -n "Enter the String : "
read APPEND
LENGTH=${#APPEND}
if [[ -z "${APPEND}" || $((LENGTH+1))%3 -eq "0" ]]
then
      echo "print $APPEND"
fi

This User Gave Thanks to itkamaraj For This Post:
 

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APPEND(3)						       MBK UTILITY FUNCTIONS							 APPEND(3)

NAME
append - append a chain_list to an other chain_list ORIGIN
This software belongs to the ALLIANCE CAD SYSTEM developed by the ASIM team at LIP6 laboratory of Universite Pierre et Marie CURIE, in Paris, France. Web : http://asim.lip6.fr/recherche/alliance/ E-mail : alliance-users@asim.lip6.fr SYNOPSYS
#include "mut.h" chain_list *append(pt1, pt2) chain_list *pt1,*pt2; PARAMETERS
pt1 Pointer to a chain_list pt2 Pointer to a chain_list DESCRIPTION
append appends the contains of the chain_list pointed to by pt2 at the end of the one pointed to by pt1. The lists consistency is warranted by the use of the adequat add functions. RETURN VALUE
append returns a pointer to the new head of list. If pt1 is not NULL, it has the value of pt1, else it is pt2. EXAMPLE
#include "mut.h" #include "mlo.h" void sig_names(s0, s1) losig_list *s0, *s1; { s0->NAMECHAIN = append(s0->NAMECHAIN, s1->NAMECHAIN); } SEE ALSO
mbk(1), chain(3). BUG REPORT
This tool is under development at the ASIM department of the LIP6 laboratory. We need your feedback to improve documentation and tools. ASIM
/LIP6 October 1, 1997 APPEND(3)
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