| 1 | #!/bin/bash |
| 2 | # ftx <file>: file tree extract |
| 3 | set -e |
| 4 | |
| 5 | function skip { |
| 6 | read -n $1 trash |
| 7 | } |
| 8 | |
| 9 | function ftx_sub { |
| 10 | if [ -h "$1" ] || [ -a "$1" ]; then |
| 11 | echo "File already exists!" 1>&2 |
| 12 | return 1 |
| 13 | fi |
| 14 | read -n 1 type |
| 15 | case $type in |
| 16 | f|x) |
| 17 | skip 1 # space |
| 18 | read length |
| 19 | head -c "$length" >"$1" |
| 20 | if [ $type == x ]; then |
| 21 | chexec + "$1" |
| 22 | fi |
| 23 | skip 1 # newline |
| 24 | ;; |
| 25 | {) |
| 26 | skip 1 # newline |
| 27 | mkdir -- "$1" |
| 28 | ( |
| 29 | cd -- "$1" |
| 30 | while read -n 1 what && [ $what == '+' ]; do |
| 31 | skip 1 # space |
| 32 | read -d ' ' length |
| 33 | read -d '' -n $length name |
| 34 | skip 1 # space |
| 35 | ftx_sub "$name" |
| 36 | done |
| 37 | skip 1 # newline |
| 38 | ) |
| 39 | ;; |
| 40 | l) |
| 41 | skip 1 # space |
| 42 | read -d ' ' length |
| 43 | read -d '' -n $length target |
| 44 | skip 1 # newline |
| 45 | ln -s -- "$target" "$1" |
| 46 | ;; |
| 47 | esac |
| 48 | } |
| 49 | |
| 50 | ftx_sub "$1" |