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#!/bin/bash if [ $# ne ]; then echo Usage: split file size(in bytes) exit fi file=$ size=$ if [ ! f $file ]; then echo $file doesnt exist exit fi #TODO: test if $size is a valid integer filesize=`/bin/ls l $file | awk {print $}` echo filesize: $filesize let pieces=$filesize/$size let remain=$filesize$pieces*$size if [ $remain gt ]; then let pieces=$pieces+ fi echo pieces: $pieces i= while [ $i lt $pieces ]; do echo split: $file$i: dd if=$file of=$file$i bs=$size count= skip=$i let i=$i+ done echo #!/bin/bash > merge echo i= >> merge echo while [ $i lt $pieces ]; >> merge echo do >> merge echo echo merge: $file$i >> merge echo if [ ! f $file$i ]; then >> merge echo echo merge: $file$i missed >> merge echo rm f $rged >> merge echo exit >> merge echo fi >> merge echo dd if=$file$i of=$rged bs=$size count= seek=$i >> merge echo let i=$i+ >> merge echo done >> merge chmod u+x merge |
