diff options
| -rw-r--r-- | fish/fish.c | 16 | ||||
| -rw-r--r-- | guestfish.pod | 13 |
2 files changed, 29 insertions, 0 deletions
diff --git a/fish/fish.c b/fish/fish.c index fcafb5ca..a956bf9e 100644 --- a/fish/fish.c +++ b/fish/fish.c @@ -26,6 +26,7 @@ #include <unistd.h> #include <fcntl.h> #include <getopt.h> +#include <signal.h> #include <assert.h> #ifdef HAVE_LIBREADLINE @@ -359,6 +360,21 @@ script (int prompt) /* If the next character is '#' then this is a comment. */ if (*buf == '#') continue; + /* If the next character is '!' then pass the whole lot to system(3). */ + if (*buf == '!') { + int r; + + r = system (buf+1); + if (!prompt) { + if (r == -1 || + (WIFSIGNALED (r) && + (WTERMSIG (r) == SIGINT || WTERMSIG (r) == SIGQUIT)) || + WEXITSTATUS (r) != 0) + exit (1); + } + continue; + } + /* Get the command (cannot be quoted). */ len = strcspn (buf, " \t"); diff --git a/guestfish.pod b/guestfish.pod index 746922f8..b464c717 100644 --- a/guestfish.pod +++ b/guestfish.pod @@ -189,6 +189,19 @@ but B<not> by a command. For example: Blank lines are also ignored. +=head1 RUNNING COMMANDS LOCALLY + +Any line which starts with a I<!> character is treated as a command +sent to the local shell (C</bin/sh> or whatever L<system(3)> uses). +For example: + + !mkdir local + tgz-out /remote local/remote-data.tar.gz + +will create a directory C<local> on the host, and then export +the contents of C</remote> on the mounted filesystem to +C<local/remote-data.tar.gz>. (See C<tgz-out>). + =head1 COMMANDS =head2 help |