filtdir

#!/usr/bin/env bash

srcdir="$1"
outputdir="$2"
usercommand="$3"

# strip off trailing slashes on dir names
# note that this particular sed expression won't support :'s in filenames
# regex special chars like . are probably bad news too.
srcdir=$(echo ${srcdir} | sed 's:/$::' )
outputdir=$(echo ${outputdir} | sed 's:/$::' )

# create the output directories
sedcmd="s:^$srcdir:$outputdir:"
#echo "sedcmd ${sedcmd}"
while IFS= read -d $'\0' -r srcfile; do
    currdir=$(echo $srcfile | sed ${sedcmd})
    #echo making dir "${currdir}"
    mkdir -p "${currdir}"
done < <(find $srcdir -type d -print0)

while IFS= read -d $'\0' -r srcfile; do
    currdir=$(dirname "${srcfile}")
    srcbasename=$(basename "${srcfile}")
    destdir=$(echo $currdir | sed ${sedcmd})
    #echo "process ${srcfile}"
    #echo "  ${destdir}"
    $usercommand "$currdir" "$srcbasename" "$destdir"
done < <(find $srcdir -type f -print0)