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Config NNN_HELP to show output of a program on top of help page

This commit is contained in:
Arun Prakash Jana 2021-06-13 01:22:36 +05:30
parent 8c116eea2c
commit 06c5b17c02
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GPG Key ID: A75979F35C080412
2 changed files with 17 additions and 19 deletions
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11
nnn.1
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@ -6,7 +6,7 @@
.Nd The unorthodox terminal file manager.
.Sh SYNOPSIS
.Nm
.Op Ar -aAcCdDeEfFgHJKlnQrRSuUVwxh
.Op Ar -aAcCdDeEfgHJKlnQrRSuUVwxh
.Op Ar -b key
.Op Ar -p file
.Op Ar -P key
@ -72,9 +72,6 @@ supports the following options:
.Fl f
use readline history file
.Pp
.Fl F
show fortune in help and settings screen
.Pp
.Fl g
use regex filters instead of substring match
.Pp
@ -526,6 +523,12 @@ separated by \fI;\fR:
export NNN_LOCKER='cmatrix'
.Ed
.Pp
\fBNNN_HELP:\fR run a program and show the output on top of the program help page.
.Bd -literal
export NNN_HELP='fortune'
export NNN_HELP='pwy paris'
.Ed
.Pp
\fBNNN_MCLICK:\fR key emulated by a middle mouse click.
.Bd -literal
export NNN_MCLICK='^R'

25
src/nnn.c
View File

@ -324,7 +324,6 @@ typedef struct {
uint_t rangesel : 1; /* Range selection on */
uint_t move : 1; /* Move operation */
uint_t autonext : 1; /* Auto-proceed on open */
uint_t fortune : 1; /* Show fortune messages in help */
uint_t trash : 2; /* Use trash to delete files 1: trash-cli, 2: gio trash */
uint_t forcequit : 1; /* Do not prompt on quit */
uint_t autofifo : 1; /* Auto-create NNN_FIFO */
@ -341,7 +340,7 @@ typedef struct {
uint_t uidgid : 1; /* Show owner and group info */
uint_t prstssn : 1; /* Persistent session */
uint_t duinit : 1; /* Initialize disk usage */
uint_t reserved : 7; /* Adjust when adding/removing a field */
uint_t reserved : 8; /* Adjust when adding/removing a field */
} runstate;
/* Contexts or workspaces */
@ -651,8 +650,9 @@ static const char * const messages[] = {
#define NNN_PIPE 6
#define NNN_MCLICK 7
#define NNN_SEL 8
#define NNN_ARCHIVE 9 /* strings end here */
#define NNN_TRASH 10 /* flags begin here */
#define NNN_ARCHIVE 9
#define NNN_HELP 10 /* strings end here */
#define NNN_TRASH 11 /* flags begin here */
static const char * const env_cfg[] = {
"NNN_OPTS",
@ -665,6 +665,7 @@ static const char * const env_cfg[] = {
"NNN_MCLICK",
"NNN_SEL",
"NNN_ARCHIVE",
"NNN_HELP",
"NNN_TRASH",
};
@ -4636,12 +4637,10 @@ static void show_help(const char *path)
return;
}
if (g_state.fortune && getutil("fortune"))
#ifndef __HAIKU__
get_output("fortune", "-s", NULL, fp, FALSE, FALSE);
#else
get_output("fortune", NULL, NULL, fp, FALSE, FALSE);
#endif
char *prog = xgetenv(env_cfg[NNN_HELP], NULL);
if (prog)
get_output(prog, NULL, NULL, fp, TRUE, FALSE);
start = end = helpstr;
while (*end) {
@ -7594,7 +7593,6 @@ static void usage(void)
#ifndef NORL
" -f use readline history file\n"
#endif
" -F show fortune\n"
" -g regex filters\n"
" -H show hidden files\n"
" -J no auto-proceed on select\n"
@ -7778,7 +7776,7 @@ int main(int argc, char *argv[])
while ((opt = (env_opts_id > 0
? env_opts[--env_opts_id]
: getopt(argc, argv, "aAb:cCdDeEfFgHJKl:nop:P:QrRs:St:T:uUVwxh"))) != -1) {
: getopt(argc, argv, "aAb:cCdDeEfgHJKl:nop:P:QrRs:St:T:uUVwxh"))) != -1) {
switch (opt) {
#ifndef NOFIFO
case 'a':
@ -7815,9 +7813,6 @@ int main(int argc, char *argv[])
rlhist = TRUE;
#endif
break;
case 'F':
g_state.fortune = 1;
break;
case 'g':
cfg.regex = 1;
filterfn = &visible_re;