From: Ray Andrews <rayandrews@eastlink.ca>
To: Zsh Users <zsh-users@zsh.org>
Subject: better grammar with $#
Date: Sun, 30 Oct 2022 07:16:54 -0700 [thread overview]
Message-ID: <a99ee704-c0b3-c0b3-7cf7-337412a83082@eastlink.ca> (raw)
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output=$( eval "$@" ) # Input here is a 'find' command outputting
a list of files.
tmp=( ${(f)output} ) # Count lines not characters.
linecount=$#tmp
... it seems clumsy to create 'tmp' just to count lines, can that be a
bit more streamlined? And is it lines or words there? The output is
filenames so words=lines in this case but maybe not in other cases so
I'd like to be sure to have a count of lines. Easy to get one's
splitting wrong.
BTW the ultimate in minutiae but the manual says:
12 Conditional Expressions
A /conditional expression/ is used with the [[ compound command to test
attributes of files and to compare strings. Each expression can be
constructed from one or more of the following unary or binary expressions:
... and AFAICT the tests work fine with the single '[' as well.
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next reply other threads:[~2022-10-30 14:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-30 14:16 Ray Andrews [this message]
2022-10-30 17:21 ` Philippe Troin
2022-10-30 17:29 ` Roman Perepelitsa
2022-10-30 17:49 ` Ray Andrews
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