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No commits in common. "56c17f8131f82c7fd529521c1aba38ecb148ded8" and "f725e8b4336ec58db54ae945fc7523bd06ae59a9" have entirely different histories.
56c17f8131
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f725e8b433
4 changed files with 8 additions and 303 deletions
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@ -36,7 +36,7 @@ plumb start window rc -c '''echo % mail '''$0'; mail '$0
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# audio
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type is text
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data matches '[a-zA-Z¡-0-9_\-.,/]+'
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data matches '([a-zA-Z¡-0-9_\-.,/]+)\.(mp3|MP3|ogg|OGG|flac|FLAC|wav|WAV|au|AU|mid|MID|mus|MUS|m3u|M3U|pls|PLS|opus|OPUS)'
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data matches '([a-zA-Z¡-0-9_\-.,/]+)\.(mp3|MP3|ogg|OGG|flac|FLAC|wav|WAV|au|AU|mid|MID|mus|MUS|m3u|M3U|pls|PLS)'
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arg isfile $0
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plumb to audio
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plumb start window -scroll play $file
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@ -44,7 +44,7 @@ plumb start window -scroll play $file
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# image files go to page
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type is text
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data matches '[a-zA-Z¡-0-9_\-.,/]+'
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data matches '([a-zA-Z¡-0-9_\-.,/]+)\.(jpe?g|JPE?G|gif|GIF|tiff?|TIFF?|ppm|PPM|bit|BIT|png|PNG|pgm|PGM|bmp|BMP|yuv|YUV|tga|TGA|webp|WEBP|img|IMG)'
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data matches '([a-zA-Z¡-0-9_\-.,/]+)\.(jpe?g|JPE?G|gif|GIF|tiff?|TIFF?|ppm|PPM|bit|BIT|png|PNG|pgm|PGM|bmp|BMP|yuv|YUV|tga|TGA)'
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arg isfile $0
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plumb to image
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plumb client page -wi
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@ -107,12 +107,12 @@ data matches '([a-zA-Z¡-
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plumb start rc -c 'man -b '$2' '$1'
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# RFC references are looked up in /lib/rfc and passed to editor
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type is text
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data matches '[Rr][Ff][Cc] ?([0-9]+)'
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arg isfile /lib/rfc/rfc$1.html
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data set file:///$file
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plumb to web
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plumb client window $browser -a
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type is text
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data matches 'RFC ?([0-9]+)'
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arg isfile /lib/rfc/rfc$1
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data set $file
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plumb to edit
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plumb client window $editor
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# start rule for images without known suffixes
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dst is image
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@ -1,14 +0,0 @@
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</$objtype/mkfile
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TARG=watch
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OFILES=$TARG.$O
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BIN=$home/bin/$objtype
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MAN=/sys/man/1
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</sys/src/cmd/mkone
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install:V: man
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uninstall:V:
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rm -f $BIN/$TARG
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rm -f $MAN/$TARG
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@ -1,213 +0,0 @@
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#include <u.h>
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#include <libc.h>
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#include <regexp.h>
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typedef struct List List;
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struct List {
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List *next;
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union {
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Dir;
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Reprog *re;
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};
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};
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char pwd[1024];
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int period = 1000;
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int noregroup = 0;
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int once = 0;
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List *expl;
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List *filel;
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void
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usage(void)
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{
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fprint(2, "usage: %s [-G] [[-e expr] ...] [-t sec] [cmd]\n", argv0);
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exits("usage");
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}
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void*
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emalloc(ulong sz)
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{
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void *v = malloc(sz);
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if(v == nil)
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sysfatal("malloc: %r");
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setmalloctag(v, getcallerpc(&sz));
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memset(v, 0, sz);
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return v;
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}
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char*
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estrdup(char *s)
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{
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if((s = strdup(s)) == nil)
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sysfatal("strdup: %r");
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setmalloctag(s, getcallerpc(&s));
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return s;
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}
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char*
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join(char **arg)
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{
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int i;
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char *s, *p;
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s = estrdup("");
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for(i = 0; arg[i]; i++){
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p = s;
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if((s = smprint("%s %s", s, arg[i])) == nil)
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sysfatal("smprint: %r");
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free(p);
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}
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return s;
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}
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void
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eadd(char *exp)
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{
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List *r;
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r = emalloc(sizeof(*r));
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r->re = regcomp(exp);
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r->next = expl;
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expl = r;
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}
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void
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fadd(Dir *d)
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{
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List *f;
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f = emalloc(sizeof(*f));
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f->Dir = *d;
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f->next = filel;
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filel = f;
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}
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int
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tracked(char *name)
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{
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List *r;
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for(r = expl; r; r = r->next)
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if(regexec(r->re, name, nil, 0))
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return 1;
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return 0;
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}
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int
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changed(Dir *d)
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{
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List *f;
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for(f = filel; f; f = f->next)
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if(f->type == d->type)
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if(f->dev == d->dev)
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if(f->qid.path == d->qid.path)
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if(f->qid.type == d->qid.type)
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if(f->qid.vers == d->qid.vers)
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return 0;
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else{
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f->Dir = *d;
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return 1;
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}
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fadd(d);
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return 1;
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}
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void
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watch(void)
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{
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static int first = 1;
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long fd, n;
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Dir *d, *p;
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for(;;){
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sleep(period);
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if((fd = open(pwd, OREAD)) < 0)
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sysfatal("open: %r");
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if((n = dirreadall(fd, &d)) < 0)
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sysfatal("dirreadall: %r");
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close(fd);
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for(p = d; n--; p++){
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if(tracked(p->name)){
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if(first){
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fadd(p);
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continue;
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}
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if(changed(p)){
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free(d);
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return;
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}
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}
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}
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first = 0;
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free(d);
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}
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}
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void
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rc(char *cmd)
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{
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Waitmsg *m;
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switch(fork()){
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case -1: sysfatal("fork: %r");
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case 0:
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execl("/bin/rc", "rc", "-c", cmd, nil);
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sysfatal("execl: %r");
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}
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if((m = wait()) && m->msg[0])
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fprint(2, "watch: %s\n", m->msg);
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free(m);
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}
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void
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regroup(void)
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{
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char *cmd;
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cmd = smprint("cat /proc/%d/noteid >/proc/%d/noteid",
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getppid(), getpid());
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rc(cmd);
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free(cmd);
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}
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void
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main(int argc, char *argv[])
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{
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int t;
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char *unit;
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char *cmd;
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cmd = "mk";
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ARGBEGIN{
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case 'e':
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eadd(EARGF(usage())); break;
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case 't':
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t = strtol(EARGF(usage()), &unit, 10);
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if(t < 0)
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t = -t;
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if(unit != nil && strncmp(unit, "ms", 2) == 0)
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period = t;
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else
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period = t*1000;
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break;
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case 'G':
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noregroup = 1; break;
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case '1':
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once = 1; break;
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default: usage();
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}ARGEND;
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if(expl == nil)
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eadd("\.[chsy]$");
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if(argc > 0)
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cmd = join(argv);
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if(getwd(pwd, sizeof pwd) == nil)
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sysfatal("getwd: %r");
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if(noregroup == 0) regroup();
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for(;;){
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watch();
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rc(cmd);
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if(once) exits(nil);
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}
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}
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@ -1,68 +0,0 @@
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.TH WATCH 1
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.SH NAME
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watch \- run a command on file change
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.SH SYNOPSIS
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.B watch
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[
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.B -G
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] [
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.B -t
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sec
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] [[
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.B -e
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pattern
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] ... ] [
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.B command
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]
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.SH DESCRIPTION
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.PP
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Run
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.IR command
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.RB ( mk
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by default) when a change to files
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in the current directory is detected.
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.PP
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The options are as follows:
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.TF "-e pattern"
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.TP
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.BI -e pattern
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Watch files matching a
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.IR pattern ;
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it may be given multiple times and
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defaults to
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.BR \e.[chsy]$
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.TP
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.BI -t period
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Sets the polling
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.IR period
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in seconds (one second by default).
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\'ms' can be appended to the value
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to specify time in miliseconds.
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.TP
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.B -G
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Prevents regrouping to the parent
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process' note group. The default
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to regroup was chosen to make it
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easy to kill
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.I watch
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in common use by interrupting the
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parent shell.
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.SH EXAMPLES
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.EX
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watch -e '\e.man$' 'mk install; window man -P prog' &
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.EE
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.SH SEE ALSO
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.SH SOURCE
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.B git://code.a-b.xyz/watch
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.SH BUGS
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.I Watch
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will not react on file removal.
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.PP
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.I Qid.vers
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is watched for changes, which is
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not maintained by every file server.
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.PP
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The polling period is actually
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.I sec
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plus the time it takes to run
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.IR command .
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