![]() ![]() When executing non-interactively, shells execute commands read from a file.īash allows execution of GNU commands, both synchronously and asynchronously. ![]() In interactive mode, they accept input typed from the keyboard. All of the Bourne shell builtin commands are available in Bash, The rules for evaluation and quoting are taken from the POSIX specification for the `standard' Unix shell.īash may be used interactively or non-interactively. The Bourne shell is the traditional Unix shell originally written by Stephen Bourne. Bash is an acronym for `Bourne-Again SHell'. The term macro processor means functionality where text and symbols are expanded to create larger expressions. The bash command line interpreter ( shell) is simply a macro processor that executes commands. It includes examples of bash sessions and scripts, the complete bash man page and excerpts from the bash info documentation. This document briefly summarizes the bash command interpreter and programming language. To fix it, that empty MANPAGER needs to be unset or undefined explicitly, so that the shell in use will correctly recognize it as an undefined variable, and then man(1) will select the default pager less -is accordingly.The Linux Command Line Series: An Introduction To Linux Commands That explains the reason of the error sh: -c: line 0: syntax error near unexpected token '||' that appears on macOS when plugin/manpager.vim is used with MANPAGER defined: The pager is set to that empty MANPAGER when man(1) is invoked. You see that ftplugin/man.vim sets $MANPAGER to an empty string when it is defined. Keeping that in mind, if you have a look at (Also, for the sake of brevity, PAGER is not taken into account here.) Note that less -is is now replaced with $MANPAGER. Sh -c (cd '/usr/share/man' & /usr/bin/tbl '/usr/share/man/man1/dd.1' | /usr/bin/groff -Wall -mtty-char -Tascii -mandoc -c | ($MANPAGER || true)) However, running $ man | env MAN_PN=1 vim -M +MANPAGER - on macOS causes it to work with no errors.ĭo the vim help docs state the correct MANPAGER value? Or is it an issue outside of vim? (This makes me think it might not be a vim issue, but rather an issue with man or fish since || is being called (which is or on fish), but I'm not sure.) No entry for patch in section 1 of the manual Man page /usr/share/man/man1/patch.1 is identical to /Applications/Xcode-beta.app/Contents/Developer/Platforms/atform/Developer/SDKs/MacOSX10.13.sdk/usr/share/man/man1/patch.1 System command (cd '/Applications/Xcode-beta.app/Contents/Developer/Platforms/atform/Developer/SDKs/MacOSX10.13.sdk/usr/share/man' & (echo ".ll 16.1i" echo ".nr LL 16.1i" /bin/cat '/Applications/Xcode-beta.app/Contents/Developer/Platforms/atform/Developer/SDKs/MacOSX10.13.sdk/usr/share/man/man1/patch.1') | /usr/bin/tbl | /usr/bin/groff -Wall -mtty-char -Tascii -mandoc -c | ( || true)) exited with status 512. Sh: -c: line 0: `(cd '/Applications/Xcode-beta.app/Contents/Developer/Platforms/atform/Developer/SDKs/MacOSX10.13.sdk/usr/share/man' & (echo ".ll 16.1i" echo ".nr LL 16.1i" /bin/cat '/Applications/Xcode-beta.app/Contents/Developer/Platforms/atform/Developer/SDKs/MacOSX10.13.sdk/usr/share/man/man1/patch.1') | /usr/bin/tbl | /usr/bin/groff -Wall -mtty-char -Tascii -mandoc -c | ( || true))'Įrror executing formatting or display command. Sh: -c: line 0: syntax error near unexpected token `||' ![]()
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