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# textutils.sh: this file can be sourced in shell scripts
# function frame
# usage:
# frame "abcd efgh" ij
# yields:
# +-------------+
# | abcd efgh |
# | ij |
# +-------------+
frame(){
content=""
maxlen=0
while [ -n "$1" ]; do
content="${content}|:$1:|\n"
len=${#1}
if [ $maxlen -lt $len ]; then
maxlen=$len
fi
shift
done
l=+$(seq $(( maxlen + 4 )) | sed 's/.*/-/'| tr -d "\n")+
echo $l
printf "${content}" | column -t -s ":"
echo $l
}
# function abort
# stops the script and exits with non-zero status
#
# if a parameter is provided, call the function frame with it
# and redirect the result to stderr
abort(){
if [ -n "$1" ]; then
frame "$1" 1>&2
fi
exit 1
}
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