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test command parsing and dispatch
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$ "$TESTDIR/hghave" no-outer-repo || exit 80
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$ dir=`pwd`
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$ hg init a
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$ cd a
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$ echo a > a
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$ hg ci -Ama
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adding a
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Missing arg:
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$ hg cat
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hg cat: invalid arguments
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hg cat [OPTION]... FILE...
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output the current or given revision of files
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Print the specified files as they were at the given revision. If no
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revision is given, the parent of the working directory is used, or tip if
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no revision is checked out.
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Output may be to a file, in which case the name of the file is given using
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a format string. The formatting rules are the same as for the export
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command, with the following additions:
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"%s" basename of file being printed
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"%d" dirname of file being printed, or '.' if in repository root
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"%p" root-relative path name of file being printed
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Returns 0 on success.
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options:
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-o --output FORMAT print output to file with formatted name
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-r --rev REV print the given revision
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--decode apply any matching decode filter
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-I --include PATTERN [+] include names matching the given patterns
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-X --exclude PATTERN [+] exclude names matching the given patterns
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[+] marked option can be specified multiple times
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use "hg -v help cat" to show global options
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[defaults]
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$ hg cat a
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a
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$ cat >> $HGRCPATH <<EOF
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> [defaults]
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> cat = -r null
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> EOF
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$ hg cat a
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a: no such file in rev 000000000000
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No repo:
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$ cd $dir
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$ hg cat
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abort: There is no Mercurial repository here (.hg not found)!
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$ exit 0
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