ubuntu-fr

$ gcp pres.tex pres.tex2
0                                                       100%
|===========================================================| Done.

#!/bin/bash
#                           __    _            __            
#   ____ __________ _____  / /_  (_)________ _/ /  _________ 
#  / __ `/ ___/ __ `/ __ \/ __ \/ / ___/ __ `/ /  / ___/ __ \
# / /_/ / /  / /_/ / /_/ / / / / / /__/ /_/ / /  / /__/ /_/ /
# \__, /_/   \__,_/ .___/_/ /_/_/\___/\__,_/_/   \___/ .___/ 
#/____/          /_/                                /_/      
                                        
# by Pabix (mortgat ... GMAIL ... com)

# BSD License
#
# Redistribution and use in source and binary forms, with or
#   without modification, are permitted provided that the following
#   conditions are met:
#
# *  Redistributions of source code must retain the above
#    copyright notice, this list of conditions and the following
#    disclaimer.
#
# *  Redistributions in binary form must reproduce the above
#    copyright notice, this list of conditions and the following
#    disclaimer in the documentation and/or other materials
#    provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGE.

DEBUG=0

#       _       _           _     
#  __ _| | ___ | |__   __ _| |___ 
# / _` | |/ _ \| '_ \ / _` | / __|
#| (_| | | (_) | |_) | (_| | \__ \
# \__, |_|\___/|_.__/ \__,_|_|___/
# |___/                           

# Success message
FINISHED="Done"

# Message when copy aborted
FINISHEDERROR="Error"

# Calculates number of available columns on the terminal
COLUMNS=$( stty -a | head -n 1 | awk '{print $7}' | rev | cut -b 2- | rev )

# Calculates width of gauge using last value
COLS=$((${COLUMNS} -${#FINISHED} - 5))

# Default refresh delay
DELAY=0.1

# Echo ($2), repeated ($1) times
function multiecho(){
    debug $1 columns times $2
    for i in $(seq 1 $1)
    do
        echo -n -e "$2"
    done
}

# Display help
function usage(){
    cat << EOF
    gcp [options] source destination
        copy source file to destination file using a graphical gauge.
                Only ONE source file is allowed at a time.

        options:

        -c (n) : use (n) columns to display
        -d     : use debug options
        -h     : display help
        -r (t) : use (t) seconds refresh delay
EOF
}

#             _   _                 
#  ___  _ __ | |_(_) ___  _ __  ___ 
# / _ \| '_ \| __| |/ _ \| '_ \/ __|
#| (_) | |_) | |_| | (_) | | | \__ \
# \___/| .__/ \__|_|\___/|_| |_|___/
#      |_|                          

# Parsing options
while getopts "c:dr:h" option
do
    case $option in
        c)
        COLS=$OPTARG
        ;;
        d)
        DEBUG=1
        ;;
        r)
        DELAY=$OPTARG
        ;;
        h)
        usage
        exit 0
        ;;
        *)
        ;;
    esac
done
shift $((OPTIND-1));

# Checks number of options correct
if [[ $# -ne 2 ]]
then
    usage
    exit 1
fi

sourcefile=$1
if [[ ! -e "$sourcefile" ]]
then
    usage
    exit 1
fi
destinationfile=$2

# Checking that destination is a regular file.
if [[ -d "$destinationfile" ]]
then
    destinationfile=${destinationfile%\/}"/"$(basename ${sourcefile})    
fi

# Warning if destination exists
if [[ -e "$destinationfile" ]]
then
    echo WARNING: $destinationfile exists!
fi
shift 2

#     _      _                 
#  __| | ___| |__  _   _  __ _ 
# / _` |/ _ \ '_ \| | | |/ _` |
#| (_| |  __/ |_) | |_| | (_| |
# \__,_|\___|_.__/ \__,_|\__, |
#                        |___/ 

DEBUGFILE=`tempfile`
if [[ "$DEBUG" = "1" ]]
then
    function debug(){
        echo $@ >> $DEBUGFILE
    }
else
    function debug(){
        :
    }
fi

debug $COLS columns
debug source file : $sourcefile
debug destination : $destinationfile


#     _ _           _             
#  __| (_)___ _ __ | | __ _ _   _ 
# / _` | / __| '_ \| |/ _` | | | |
#| (_| | \__ \ |_) | | (_| | |_| |
# \__,_|_|___/ .__/|_|\__,_|\__, |
#            |_|            |___/ 

# Backspace
RET_ARR="\010"
# sufficient backspacing to go back
KILLLINE=${RET_ARR}${RET_ARR}
for i in $(seq 1 $COLS)
do
    KILLLINE=${KILLLINE}${RET_ARR}
done

# Rule
echo -n "0"
multiecho $(($COLS-4)) " "
echo '100%' ; 

# Gauge
echo -n "|"
multiecho $COLS " "
echo -n "|"

#                 _       
# _ __ ___   __ _(_)_ __  
#| '_ ` _ \ / _` | | '_ \ 
#| | | | | | (_| | | | | |
#|_| |_| |_|\__,_|_|_| |_|
#                         

# Indicator of working cp
INDFILE=`tempfile`

# Invoking cp
(nice cp "$sourcefile" "$destinationfile" ; rm $INDFILE) &

# Grabbing source size
SOURCEFILESIZE=$(($(ls -o "$sourcefile" | awk '{print $4}') + 1))
DESTFILESIZE=0
debug source file size : $SOURCEFILESIZE

# MAIN LOOP
while [[ -e "$INDFILE" ]]
do
    sleep $DELAY

    # Grabbing destination size
    DESTFILESIZE=$(($(ls -o "$destinationfile" | awk '{print $4}') + 1))
    PERCENTAGE=$(($COLS * $DESTFILESIZE / $SOURCEFILESIZE ))

    # Displaying gauge
    echo -e -n $KILLLINE"|"
    multiecho $PERCENTAGE "="
done

#           _ _   
#  _____  _(_) |_ 
# / _ \ \/ / | __|
#|  __/>  <| | |_ 
# \___/_/\_\_|\__|
#                 

# Checks sizes of destination and source
DESTFILESIZE=$(($(ls -o "$destinationfile" | awk '{print $4}') + 1))
if [[ "$DESTFILESIZE" != "$SOURCEFILESIZE" ]]
then
    echo -e "\033[30m!!! $FINISHEDERROR.\033[0m"
else
    echo "| $FINISHED."
fi

# Debugfile is empty if no debug option specified
cat $DEBUGFILE
rm $DEBUGFILE