asked on Linux bash script to change argument to lowercase
I have the following script which works great if the user types both arguments in all lower case. If the user of the script types the command with any upper case letters the script will fail. I am sure there must be a way for the user input to be proceed in all lower case.
The 2 arguments in my script are: ${CONTEXT} and ${MACADD}
Thanks
The 2 arguments in my script are: ${CONTEXT} and ${MACADD}
Thanks
#!/bin/bash
#
if [ -z ${2} ]
then
echo "usage: $0 <contextname> <macaddress>"
exit 1
fi
CONTEXT=${1}
MACADD=${2}
cat /var/softswitch/configs/device/polycom/${CONTEXT}/${MACADD}-boot.log
Linux OS Dev
Last Comment
farzanj
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Newer versions of bash also let you do this at the top of the script. This should fix any problems you are having.
Older versions don't understand it.
declare -l CONTEXT MACADD
Older versions don't understand it.
#!/bin/bash
#
if [ -z ${2} ]
then
echo "usage: $0 <contextname> <macaddress>"
exit 1
fi
CONTEXT=${1} | tr '[A-Z]' '[a-z]'
MACADD=${2} | tr '[A-Z]' '[a-z]'
cat /var/softswitch/configs/de