Shell Script - File Details

Script : Displaying a File with Additional Information

Script Name: showfile.sh

Script Function:Script as an alternative to cat displaying a files additional information.
Eg: ./showfile.sh test.txt
-----------------------------------------------------------------
File test.txt (3 lines, 48 characters, owned by root):
-----------------------------------------------------------------
 khdkhwqkd
 wqldkjwqldb
 wndlwqndlbnwd';kbn';md;nl
-----------------------------------------------------------------

Script Usage: ./showfile.sh < filename >

Code:

#!/bin/bash
# showfile--Shows the contents of a file, including additional useful info
width=72

fmt(){
while getopts "hw:" opt; do
        case $opt in
                h ) hyph=1 ;;
                w ) width="$OPTARG" ;;
        esac
done
shift $(($OPTIND - 1))
nroff << EOF
.ll ${width:-72}
.na
.hy ${hyph:-0}
.pl 1
$(cat "$@")
EOF
exit
}

input=$1

        lines="$(wc -l < $input | sed 's/ //g')"
        chars="$(wc -c < $input | sed 's/ //g')"
        owner="$(ls -ld $input | awk '{print $3}')"
        echo "-----------------------------------------------------------------"
        echo "File $input ($lines lines, $chars characters, owned by $owner):"
        echo "-----------------------------------------------------------------"
        while read line
        do
                if [ ${#line} -gt $width ] ; then
                        echo "$line" | fmt | sed -e '1s/^/ /' -e '2,$s/^/+ /'
                else
                        echo " $line"
                fi
        done < $input
        echo "-----------------------------------------------------------------"

exit 0