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added newline info per message

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Remzi Arpaci-Dusseau
2018-01-24 09:18:25 -06:00
parent f8cde38c55
commit 57bfd7cd8e
1 changed files with 11 additions and 9 deletions
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initial-utilities/README.md
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@@ -160,11 +160,11 @@ file (thus indicating you no longer need to read from it).
and return 0. Note that this is slightly different than the behavior of and return 0. Note that this is slightly different than the behavior of
normal UNIX **cat** (if you'd like to, figure out the difference). normal UNIX **cat** (if you'd like to, figure out the difference).
* If the program tries to **fopen()** a file and fails, it should print the * If the program tries to **fopen()** a file and fails, it should print the
exact message "my-cat: cannot open file" and exit with status code 1. If exact message "my-cat: cannot open file" (followed by a newline) and exit
multiple files are specified on the command line, the files should be with status code 1. If multiple files are specified on the command line,
printed out in order until the end of the file list is reached or an error the files should be printed out in order until the end of the file list is
opening a file is reached (at which point the error message is printed and reached or an error opening a file is reached (at which point the error
**my-cat** exits). message is printed and **my-cat** exits).
## my-grep ## my-grep
@@ -197,9 +197,10 @@ even this line, which has barfood in it, will be printed.
into the **getline()** library call (instead of **fgets()**), or roll your into the **getline()** library call (instead of **fgets()**), or roll your
own. own.
* If **my-grep** is passed no command-line arguments, it should print * If **my-grep** is passed no command-line arguments, it should print
"my-grep: searchterm [file ...]" and exit with status 1. "my-grep: searchterm [file ...]" (followed by a newline) and exit with
status 1.
* If **my-grep** encounters a file that it cannot open, it should print * If **my-grep** encounters a file that it cannot open, it should print
"my-grep: cannot open file" and exit with status 1. "my-grep: cannot open file" (followed by a newline) and exit with status 1.
* In all other cases, **my-grep** should exit with return code 0. * In all other cases, **my-grep** should exit with return code 0.
* If a search term, but no file, is specified, **my-grep** should work, * If a search term, but no file, is specified, **my-grep** should work,
but instead of reading from a file, **my-grep** should read from but instead of reading from a file, **my-grep** should read from
@@ -267,8 +268,9 @@ and print out the uncompressed output to standard output using **printf()**.
* Correct invocation should pass one or more files via the command line to the * Correct invocation should pass one or more files via the command line to the
program; if no files are specified, the program should exit with return code program; if no files are specified, the program should exit with return code
1 and print "my-zip: file1 [file2 ...]" or "my-unzip: file1 [file2 ...]" for 1 and print "my-zip: file1 [file2 ...]" (followed by a newline) or
**my-zip** and **my-unzip** respectively. "my-unzip: file1 [file2 ...]" (followed by a newline) for **my-zip** and
**my-unzip** respectively.
* The format of the compressed file must match the description above exactly * The format of the compressed file must match the description above exactly
(a 4-byte integer followed by a character for each run). (a 4-byte integer followed by a character for each run).