diff options
| author |  axel <axel@liljencrantz.se> | 2006-10-09 11:21:02 +1000 |
|---|---|---|
| committer | axel <axel@liljencrantz.se> | 2006-10-09 11:21:02 +1000 |
| commit | a074cd62bccf9a163d970d77d0c3ba86166045de (patch) | |
| tree | 31072cfb44e432d4641e0fb4c87671f299425cd5 /doc_src | |
| parent | 7a8b46816556339059878cf62dbe142552de953a (diff) | |
Be more rigorous with the exit codes set by the parser and builtins
darcs-hash:20061009012102-ac50b-4f28c43dd1ccdcc04d1620a6da05218a99fd7337.gz
Diffstat (limited to 'doc_src')
| -rw-r--r-- | doc_src/doc.hdr | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/doc_src/doc.hdr b/doc_src/doc.hdr index ef2e37d1..98f5c40c 100644 --- a/doc_src/doc.hdr +++ b/doc_src/doc.hdr @@ -790,7 +790,7 @@ values of most of these variables. - \c history, which is an array containing the last commands that where entered. - \c HOME, which is the users home directory. This variable can only be changed by the root user. - \c PWD, which is the current working directory. -- \c status, which is the exit status of the last foreground job to exit. If a job contains pipelines, the status of the last command in the pipeline is the status for the job. +- \c status, which is the exit status of the last foreground job to exit. - \c USER, which is the username. This variable can only be changed by the root user. Variables whose name are in uppercase are exported to the commands @@ -800,6 +800,26 @@ distinguish between exported and unexported variables. \c fish also uses several variables internally. Such variables are prefixed with the string __FISH or __fish. These should be ignored by the user. +\subsection variables-status The status variable + +Whenever a process exits, an exit status is returned to the program +that started it. This exit status is an integer number, which tells +the calling application how the execution of the command went. In +general, a zero exit status means that the command executed without +problem, but a non-zero exit status means there was some form of +problem. + +Fish stores the exit status of the last process in the last job to +exit in the \c status variable. + +If fish encounters a problem while executing a command, the status +variable may also be set to a specific value: + +- 1 is the generally the exit status from fish builtins if they where supplied with invalid arguments +- 125 means an unknown error occured while trying to execute the command +- 126 means that the command was not executed because none of the wildcards in the command produced any matches +- 127 means that no command with the given name could be located + \subsection variables-color Variables for changing highlighting colors The colors used by fish for syntax highlighting can be configured by |