Basically, I want to copy all files (F03*) in this directory and merge/paste them into a new file (called SMER_2.03.12.SPU), yet the error message is "no such file or directory." I listed what is in my working directory, and the files do exist, so I'm not sure what's going on. The code's at the bottom.*
Thanks, Ellen
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Basically, I want to copy all files (F03*) in this directory and merge/paste them into a new file (called SMER_2.03.12.SPU), yet the error message is "no such file or directory." I listed what is in my working directory, and the files do exist, so I'm not sure what's going on. The code's at the bottom.*
Actually the problem is some PEBKAC: the following is the reason for the error:
Quote:
Originally Posted by ucsdee
"[FO3*]" will expand to a list of all files which names start with "[FO3", end with "]" and have any number of characters of any sort (including none at all) in between these two parts. For example: "[F03]", "[F03x]", "[F03foobar]", etc..
The problem is: you have no file "[F03]", just some files "F03*"! "[" and "]" would be legal parts of a filename, but your files do not contain these. Similar for the target file: if you name it "[SMER_2.03.13.spu]" its name will be exactly that and not "SMER_2.03.13.spu".
But there is an even bigger problem with your command: "cp" copies files but it does not concatenate them. This is what another command, "cat" is for.
Do it the following way:
This will first delete any eventually existing file "SMER_2.03.13.spu", then concatenate one file after the other into this newly created file.
"[FO3*]" will expand to a list of all files which names start with "[FO3", end with "]" and have any number of characters of any sort (including none at all) in between these two parts. For example: "[F03]", "[F03x]", "[F03foobar]", etc..
... ... ...
bakunin
No. As radoulov said earlier, the file matching pattern [F03*] will only match the four files with names F, 0, 3, and *. (The asterisk isn't special in a file matching pattern inside square brackets.)
Even scarier is that the command:
could succeed if a file named F, 0, 3, or * or any combination of them exist as regular files AND at least one of E, M, R, S, _, p, s, or u exists as a file and the last such file in this list (assuming you are using a locale with a code set based on ASCII) exists and is a directory. If all of those conditions are true, the regular files matched by both patterns would be copied to the directory named by the last file matching the second pattern.
If none of the single character names matched by the second pattern existed and exactly one of the names matched by the first pattern existed as a regular file, it would be copied to a new regular file named [SMER_2.03.13.spu], but that can't happen because . always exists.
Not sure - I'd rather think the [...] would supply exactly one single char out of the four, so would match either of the four single char file names.
Sorry - I obviously misread your statement - you meant "up to four files with one of those single char file names".
Sorry for the ambiguity. What I meant was one or more of those four possible files with a filename consisting of exactly one of those four characters. And, of course, if none of those four single character filenames exist, it would also match a file with the six character name [F03*].
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