Bash function to trim pictures using imagemagick

ctrim.sh

#!/bin/bash
# Bash function to trim pictures using imagemagick
# This snippet is meant to be inserted as function in ~/.bashrc

ctrim() {
        if [ $# -lt 1 ]; then
                echo "ctrim - trim the given pictures (using convert --trim)"
        else
                # TODO: Parallel runs
                for i in $@; do
                        convert -trim "$i" "$i"
                done
        fi
}