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Case sensitive in If loop .

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# 1  
Old 11-25-2014
Case sensitive in If loop .
Hi All,

Code:
select app from the menu:

ABC
DEF
GHI
JKL
ALL  # ALL will select all the apps in the menu

echo "Enter your option"
read option;

if [ ${option} = "ALL" ]
then
     <execute the below command>
elif [ ${option} = "option" ]     # option is the 1 selection from menu...not ALL
    <execute the below command>
else
   echo wrong option.""
fi

Question: how can i make that input (ALL) is taken as case sensitive.
* i don't want to write permutation and combination using or gate(||).
* i don't want to declare one mare variable and translate the input and he new Variable.

if i use ALL,all,All,aLl,alL.........it should consider it as input.
Thank you in Advance!

Moderator's Comments:
Mod Comment Please use code tags next time for your code and data. Thanks
Last edited by Devaraj A; 11-25-2014 at 01:13 PM.. Reason: Adding content
# 2  
Old 11-25-2014
Use this... for yes and no...
Code:
[yY][eE][sS]
[nN][oO]

# 3  
Old 11-25-2014
Hi blackrageous,

Thank you for your reply. i have updated the thread. you are correct, when that is case with yes & no it works.... when the parameter changes as i updated the thread. i will use
[Aa][Ll][Ll]..... but it will not work as expected.

Thank You!
Last edited by Don Cragun; 11-27-2014 at 03:44 PM.. Reason: Add ICODE tags.
# 4  
Old 11-25-2014
Try
Code:
if [ "${option^^}" = "ALL" ]

# 5  
Old 11-25-2014
Why not acutaly use select?

Code:
select CHOICE in ABC DEF GHI JKL ALL;do
  case $CHOICE in
  ALL)  echo "Do everything" ;;
  ABC)  echo "Do ABC" ;;
  DEF)  echo "Do DEF" ;;
  GHI)  echo "Do GHI" ;;
  JKL)  echo "Do JKL" ;;
  *)    echo "Invalid choice!" ;;
  esac
  break
done

Hope this helps
# 6  
Old 11-25-2014
In a recent bash, you could use
Quote:
${parameter^pattern}
${parameter^^pattern}
${parameter,pattern}
${parameter,,pattern}
Case modification. This expansion modifies the case of alphabetic characters in parameter. The pattern is expanded to pro‐
duce a pattern just as in pathname expansion. Each character in the expanded value of parameter is tested against pattern,
and, if it matches the pattern, its case is converted. The pattern should not attempt to match more than one character. The
^ operator converts lowercase letters matching pattern to uppercase; the , operator converts matching uppercase letters to
lowercase.
# 7  
Old 11-25-2014
Hi Junior-helper;
tried the code, but didnt help.
error message:
Code:
: : bad substitution

Hi Sea,
i cant use select, because 1) Applications vary on servers. 2) in later part if we add one more app... again i need to modify the select code line. if we copy the script to other Machine againi need to modify the select line. just to avoid it... i have used command....
Code:
"ls -lrt <Path where app folders will be present> | grep -v total | awk '{print $9}' > $FilePath/FIle.txt"...... now the menu will be displyed from FIle.txt......
cat FIle.txt
ALL

Thank you Jh & Sea!
Last edited by Don Cragun; 11-27-2014 at 03:45 PM.. Reason: Add CODE tags.
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