c - Why does fgets return a bad string? -


i don't know how else put it, know i'm doing wrong.

char *temp2= "/shares/mjim"; char ourlist[1024];  fgets(ourlist, 1024, modified)  sprintf(sysstring, "grep -c %s %s", ourlist, temp2);

now fgets job, when try form string sprintf grep -c lanuncher.ini , rest missing. here kicker, if reverse order this:

sprintf(sysstring, "grep -c %s %s", temp2, ourlist);

the result want, , invalid search grep: grep -c /shares/mjim lanucher.ini

also if this:

sprintf(sysstring, "grep -c %s %s", temp2, temp2);

it creates expected string (grep -c /shares/mjim /shares/mjim). know going on?

well input simple text file single column list:

launcher.ini bits.exe etc....

the garbage in case unusually short string mentioned. when print out ourlist has returns launcher.ini.

fgets includes trailing '\n'. want remove before building sysstring ...

fgets(ourlist, sizeof ourlist, modified); size_t ourlistlen = strlen(ourlist); if (ourlistlen && (ourlist[ourlistlen - 1] == '\n')) {     ourlist[--ourlistlen] = 0; /* remove trailing '\n' , update ourlistlen */ }

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