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handle script dir with NNN_SCRIPT

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Arun Prakash Jana 2018-12-16 00:24:45 +05:30
parent 64efd6528c
commit 94ae45b391
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3 changed files with 77 additions and 52 deletions
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24
README.md
View file

@ -137,7 +137,7 @@ Stripped binary (or script) size and memory usage of `nnn` and some other simila
<b> 1M</b> 50496 <b>15328</b> 4076 S 0.2 vifm
<b> 1M</b> 72152 <b>12468</b> 7336 S 0.2 mc
<b> 70K</b> 16068 <b> 4620</b> 2408 S 0.1 ncdu
<b> 52K</b> 15720 <b> 4200</b> 2344 S 0.1 nnn -S
<b> 55K</b> 15720 <b> 4200</b> 2344 S 0.1 nnn -S
</pre>
Intrigued? Find out [HOW](https://github.com/jarun/nnn/wiki/performance-factors).
@ -467,25 +467,13 @@ As you might notice, `nnn` uses the environment variable `NNN_TMPFILE` to write
`nnn` can invoke custom scripts with the currently selected file name as argument 1.
Export the path to the custom executable script:
Export the absolute path to the directory with your scripts or a single script:
export NNN_SCRIPT=/usr/local/bin/nscript
export NNN_SCRIPT=/home/user/scripts
OR
export NNN_SCRIPT=/usr/local/bin/nscript.sh
Press <kbd>R</kbd> to run the script in the current directory.
It's possible to run multiple scripts with `nnn` as long as the scripts are in the same location and share the same prefix. To enable multiple scripts,
export NNN_MULTISCRIPT=1
With the example of `NNN_SCRIPT` above, some more scripts could be:
/usr/local/bin/nscript1
/usr/local/bin/nscript2
/usr/local/bin/nscriptcustom1
/usr/local/bin/nscriptcustom2
and so on...
Type the correct suffix when prompted on pressing the keybind <kbd>R</kbd>. To use the base script (`NNN_SCRIPT`), just press <kbd>Enter</kbd>.
Press <kbd>R</kbd> to run the script in the current directory. You can also use this key to cancel choosing a script from the script directory.
##### sample scripts

13
nnn.1
View file

@ -150,7 +150,7 @@ Launch an application (takes 2 combined arguments)
.It Ic ^S
Run a command
.It Ic R
Run a custom script
Run or choose a custom script
.It Ic C
Execute entry
.It Ic L
@ -301,14 +301,11 @@ files.
The path is shown in the help and configuration screen.
.Ed
.Pp
\fBNNN_SCRIPT:\fR path to a custom script to invoke with currently selected file name as argument 1.
\fBNNN_SCRIPT:\fR absolute path to a directory to select a script from or a single script to invoke with currently selected file name as argument 1.
.Bd -literal
export NNN_SCRIPT=/usr/local/bin/nscript
.Ed
.Pp
\fBNNN_MULTISCRIPT:\fR run multiple custom scripts (default: disabled).
.Bd -literal
export NNN_MULTISCRIPT=1
export NNN_SCRIPT=/home/user/scripts
OR
export NNN_SCRIPT=/usr/local/bin/nscript.sh
.Ed
.Pp
\fBNNN_SHOW_HIDDEN:\fR show hidden files.

92
src/nnn.c
View file

@ -259,13 +259,15 @@ typedef struct {
uint dircolor : 1; /* Current status of dir color */
uint metaviewer : 1; /* Index of metadata viewer in utils[] */
uint ctxactive : 1; /* Context active or not */
uint reserved : 13;
uint reserved : 10;
/* The following settings are global */
uint curctx : 2; /* Current context number */
uint picker : 1; /* Write selection to user-specified file */
uint pickraw : 1; /* Write selection to sdtout before exit */
uint nonavopen : 1; /* Open file on right arrow or `l` */
uint useeditor : 1; /* Use VISUAL to open text files */
uint runscript : 1; /* Choose script to run mode */
uint runctx : 2; /* The context in which script is to be run */
} settings;
/* Contexts or workspaces */
@ -281,7 +283,7 @@ typedef struct {
/* GLOBALS */
/* Configuration, contexts */
static settings cfg = {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0};
static settings cfg = {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0};
static context g_ctx[CTX_MAX] __attribute__ ((aligned));
static struct entry *dents;
@ -2105,8 +2107,6 @@ static bool show_help(char *path)
dprintf(fd, "copy file: %s\n", g_cppath);
if (getenv("NNN_SCRIPT"))
dprintf(fd, "NNN_SCRIPT: %s\n", getenv("NNN_SCRIPT"));
if (getenv("NNN_MULTISCRIPT"))
dprintf(fd, "NNN_MULTISCRIPT: 1\n");
if (getenv("NNN_SHOW_HIDDEN"))
dprintf(fd, "NNN_SHOW_HIDDEN: 1\n");
if (getenv("NNN_NO_AUTOSELECT"))
@ -2537,6 +2537,8 @@ static void browse(char *ipath)
{
static char newpath[PATH_MAX] __attribute__ ((aligned));
static char mark[PATH_MAX] __attribute__ ((aligned));
static char rundir[PATH_MAX] __attribute__ ((aligned));
static char runfile[NAME_MAX + 1] __attribute__ ((aligned));
char *path, *lastdir, *lastname;
char *dir, *tmp;
struct stat sb;
@ -2549,6 +2551,7 @@ static void browse(char *ipath)
path = g_ctx[0].c_path;
xstrlcpy(g_ctx[0].c_init, ipath, PATH_MAX); /* start directory */
g_ctx[0].c_last[0] = g_ctx[0].c_name[0] = newpath[0] = mark[0] = '\0';
rundir[0] = runfile[0] = '\0';
lastdir = g_ctx[0].c_last; /* last visited directory */
lastname = g_ctx[0].c_name; /* last visited filename */
g_ctx[0].c_cfg = cfg; /* current configuration */
@ -2687,6 +2690,28 @@ nochange:
if (cfg.nonavopen && sel == SEL_NAV_IN)
continue;
/* Handle script selection mode */
if (cfg.runscript) {
if (cfg.runctx != cfg.curctx)
continue;
if (!getenv("NNN_SCRIPT") || strcmp(path, getenv("NNN_SCRIPT")) != 0)
continue;
mkpath(path, dents[cur].name, newpath, PATH_MAX);
xstrlcpy(path, rundir, PATH_MAX);
if (runfile[0]) {
xstrlcpy(lastname, runfile, NAME_MAX);
spawn(shell, newpath, lastname, path, F_NORMAL | F_SIGINT);
runfile[0] = '\0';
} else
spawn(shell, newpath, NULL, path, F_NORMAL | F_SIGINT);
rundir[0] = '\0';
cfg.runscript = 0;
setdirwatch();
goto begin;
}
/* If NNN_USE_EDITOR is set, open text in EDITOR */
if (cfg.useeditor &&
get_output(g_buf, CMD_LEN_MAX, "file", FILE_OPTS, newpath, FALSE) &&
@ -2749,7 +2774,6 @@ nochange:
/* Save last working directory */
xstrlcpy(lastdir, path, PATH_MAX);
xstrlcpy(path, dir, PATH_MAX);
lastname[0] = '\0';
DPRINTF_S(path);
@ -2840,6 +2864,7 @@ nochange:
g_ctx[r].c_last[0] = '\0';
xstrlcpy(g_ctx[r].c_name, dents[cur].name, NAME_MAX + 1);
g_ctx[r].c_cfg = cfg;
g_ctx[r].c_cfg.runscript = 0;
}
/* Reset the pointers */
@ -3390,36 +3415,51 @@ nochange:
mkpath(path, dents[cur].name, newpath, PATH_MAX);
spawn(newpath, NULL, NULL, path, F_NORMAL | F_SIGINT);
} else if (sel == SEL_SCRIPT) {
tmp = getenv("NNN_SCRIPT");
if (!tmp) {
dir = getenv("NNN_SCRIPT");
if (!dir) {
printmsg("set NNN_SCRIPT");
goto nochange;
}
if (getenv("NNN_MULTISCRIPT")) {
size_t _len = xstrlcpy(newpath, tmp, PATH_MAX);
tmp = xreadline(NULL, "script suffix: ");
if (tmp && tmp[0])
xstrlcpy(newpath + _len - 1, tmp, PATH_MAX - _len);
tmp = newpath;
}
if (lstat(tmp, &sb) == -1) {
if (stat(dir, &sb) == -1) {
printwarn();
goto nochange;
}
/* Check if it's a directory */
if (S_ISDIR(sb.st_mode)) {
printmsg("directory");
goto nochange;
}
if (!S_ISDIR(sb.st_mode)) {
if (ndents)
tmp = dents[cur].name;
else
tmp = NULL;
spawn(shell, dir, tmp, path, F_NORMAL | F_SIGINT);
} else {
cfg.runscript ^= 1;
if (!cfg.runscript && rundir[0]) {
/* If reset, switch to original dir */
if (strcmp(path, getenv("NNN_SCRIPT")) == 0) {
xstrlcpy(path, rundir, PATH_MAX);
xstrlcpy(lastname, runfile, NAME_MAX);
rundir[0] = '\0';
runfile[0] = '\0';
setdirwatch();
goto begin;
}
break;
}
dir = NULL; /* dir used as temp var */
if (ndents)
dir = dents[cur].name;
spawn(shell, tmp, dir, path, F_NORMAL | F_SIGINT);
/* Check if directory is accessible */
if (!xdiraccess(dir))
goto nochange;
xstrlcpy(rundir, path, PATH_MAX);
xstrlcpy(path, dir, PATH_MAX);
if (ndents)
xstrlcpy(runfile, dents[cur].name, NAME_MAX);
cfg.runctx = cfg.curctx;
lastname[0] = '\0';
setdirwatch();
goto begin;
}
} else if (sel == SEL_RUNCMD) {
tmp = xreadline(NULL, "> ");
if (tmp && tmp[0])