splitcopy.sh

Shall高级编程

#!/bin/bash
# splitcopy.sh

#  A script that splits itself into chunks,
#+ then reassembles the chunks into an exact copy
#+ of the original script.

CHUNKSIZE=4    #  Size of first chunk of split files.
OUTPREFIX=xx   #  csplit prefixes, by default,
               #+ files with "xx" ...

csplit "$0" "$CHUNKSIZE"

# Some comment lines for padding . . .
# Line 15
# Line 16
# Line 17
# Line 18
# Line 19
# Line 20

cat "$OUTPREFIX"* > "$0.copy"  # Concatenate the chunks.
rm "$OUTPREFIX"*               # Get rid of the chunks.

exit $?