vis

commit 7cd9fef16e3d4ec26cba5e3952aca95d0084d159
parent 3723b78b39693d170f03d346e47ab3c14a91acb5
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Sun,  5 Feb 2017 23:15:55 +0100

vis: set $vis_file{name,path} environment variables for external commands

Diffstat:
M
man/vis.1
 | 
6
++++++
M
vis.c
 | 
6
++++++

2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/man/vis.1 b/man/vis.1
@@ -520,6 +520,12 @@ or
 if the shell command is omitted, the last shell command
 .Pq "of any type"
 is substituted.
+Unless the file being edited is unnamed, all these external commands
+can refer to its absolute path and file name through the
+.Ic $vis_filepath
+and
+.Ic $vis_filename
+environment variables.
 .Ss Loops and conditionals
 .Bl -tag -width indent
 .It Ic x/regexp/ Bq command
diff --git a/vis.c b/vis.c
@@ -1548,6 +1548,12 @@ int vis_pipe(Vis *vis, File *file, Filerange *range, const char *argv[],
 		close(perr[1]);
 		close(null);
 
+		if (file->name) {
+			char *name = strrchr(file->name, '/');
+			setenv("vis_filepath", file->name, 1);
+			setenv("vis_filename", name ? name+1 : file->name, 1);
+		}
+
 		if (!argv[1])
 			execlp(vis->shell, vis->shell, "-c", argv[0], (char*)NULL);
 		else