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Create copy file in home dir, remove copy file on exit

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Arun Prakash Jana 2018-09-06 05:43:14 +05:30
parent dbd1db72fe
commit 028e04abd3
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GPG key ID: A75979F35C080412
3 changed files with 15 additions and 23 deletions
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10
README.md
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@ -391,7 +391,7 @@ Note that the filename is not escaped. So copying may still fail for filenames h
#### copy file paths when X is missing #### copy file paths when X is missing
A very common scenario on headless remote servers connected via SSH. As the clipboard is missing, `nnn` copies the path names to the tmp file `/tmp/nnncp$USER`. A very common scenario on headless remote servers connected via SSH. As the clipboard is missing, `nnn` copies the path names to the tmp file `$HOME/.nnncp`.
`nnn` needs to know X is unavailable: `nnn` needs to know X is unavailable:
@ -400,15 +400,15 @@ A very common scenario on headless remote servers connected via SSH. As the clip
Use <kbd>^Y</kbd> and/or <kbd>^K</kbd> to copy file paths as usual. To use the copied paths from the cmdline, use command substitution: Use <kbd>^Y</kbd> and/or <kbd>^K</kbd> to copy file paths as usual. To use the copied paths from the cmdline, use command substitution:
# bash/zsh # bash/zsh
ls -ltr `cat /tmp/nnncpuser` ls -ltr `cat /home/user/.nnncp`
ls -ltr $(cat /tmp/nnncpuser) ls -ltr $(cat /home/user/.nnncp)
# fish # fish
ls -ltr (cat /tmp/nnncpuser) ls -ltr (cat /home/user/.nnncp)
An alias may be handy: An alias may be handy:
alias ncp='cat /tmp/nnncpuser' alias ncp='cat /home/user/.nnncp'
so you can - so you can -

2
nnn.1
View file

@ -257,7 +257,7 @@ screensaver.
------------------------------------- -------------------------------------
.Ed .Ed
.Pp .Pp
\fBNNN_NO_X:\fR X display is unavailable. Copy file path(s) to \fI/tmp/nnncp$USER\fR. \fBNNN_NO_X:\fR X display is unavailable. Copy file path(s) to \fI$HOME/.nnncp\fR.
.Bd -literal .Bd -literal
export NNN_NO_X=1 export NNN_NO_X=1
.Ed .Ed

26
nnn.c
View file

@ -391,6 +391,8 @@ printerr(int linenum)
{ {
exitcurses(); exitcurses();
fprintf(stderr, "line %d: (%d) %s\n", linenum, errno, strerror(errno)); fprintf(stderr, "line %d: (%d) %s\n", linenum, errno, strerror(errno));
if (cfg.noxdisplay)
unlink(g_cppath);
exit(1); exit(1);
} }
@ -608,21 +610,11 @@ writecp(const char *buf, const size_t buflen)
{ {
FILE *fp = fopen(g_cppath, "w"); FILE *fp = fopen(g_cppath, "w");
if (!fp) {
struct passwd *pass = getpwuid(getuid());
xstrlcpy(g_cppath, "./nnncp", 11);
xstrlcpy(g_cppath + 10, pass->pw_name, 33);
fp = fopen(g_cppath, "w");
if (!fp)
printwarn();
}
if (fp) { if (fp) {
fwrite(buf, 1, buflen, fp); fwrite(buf, 1, buflen, fp);
fclose(fp); fclose(fp);
} } else
printwarn();
} }
static bool static bool
@ -3431,11 +3423,8 @@ main(int argc, char *argv[])
/* Check if X11 is available */ /* Check if X11 is available */
if (getenv("NNN_NO_X")) { if (getenv("NNN_NO_X")) {
cfg.noxdisplay = 1; cfg.noxdisplay = 1;
size_t len = xstrlcpy(g_cppath, getenv("HOME"), 48);
struct passwd *pass = getpwuid(getuid()); xstrlcpy(g_cppath + len - 1, "/.nnncp", 48 - len);
xstrlcpy(g_cppath, "/tmp/nnncp", 11);
xstrlcpy(g_cppath + 10, pass->pw_name, 33);
} }
signal(SIGINT, SIG_IGN); signal(SIGINT, SIG_IGN);
@ -3457,6 +3446,9 @@ main(int argc, char *argv[])
browse(ipath, ifilter); browse(ipath, ifilter);
exitcurses(); exitcurses();
if (cfg.noxdisplay)
unlink(g_cppath);
#ifdef LINUX_INOTIFY #ifdef LINUX_INOTIFY
/* Shutdown inotify */ /* Shutdown inotify */
if (inotify_wd >= 0) if (inotify_wd >= 0)