GNU/Linux man pages
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Syntaxe et mise en oeuvre :
GNU/Linux |
Debian 6.0.0(Squeeze) |
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which(1) |
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which − locate a command
which [−a] filename ...
which returns the pathnames of the files (or links) which would be executed in the current environment, had its arguments been given as commands in a strictly POSIX-conformant shell. It does this by searching the PATH for executable files matching the names of the arguments. It does not follow symbolic links.
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−a |
print all matching pathnames of each argument |
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0 |
if all specified commands are found and executable | ||
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1 |
if one or more specified commands is nonexistent or not executable | ||
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2 |
if an invalid option is specified |
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which(1) | |