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general: Remove redundant usage of `cat`

In general, the substitution ‘$(cat foo)’ may be replaced by the
equivalent but faster ‘$(<foo)’.

See: https://zsh.sourceforge.io/Doc/Release/Expansion.html#Command-Substitution
pull/1901/head
Indrajit Raychaudhuri 4 years ago
parent 3c002f772e
commit 84e0787411

@ -10,7 +10,7 @@
local archive_name path_to_archive _gzip_bin _bzip2_bin _xz_bin _zstd_bin local archive_name path_to_archive _gzip_bin _bzip2_bin _xz_bin _zstd_bin
if (( $# < 2 )); then if (( $# < 2 )); then
cat >&2 <<EOF >&2 <<EOF
usage: $0 [archive_name.zip] [/path/to/include/into/archive ...] usage: $0 [archive_name.zip] [/path/to/include/into/archive ...]
Where 'archive.zip' uses any of the following extensions: Where 'archive.zip' uses any of the following extensions:

@ -10,7 +10,7 @@
local verbose local verbose
if (( $# == 0 )); then if (( $# == 0 )); then
cat >&2 <<EOF >&2 <<EOF
usage: $0 [-option] [file ...] usage: $0 [-option] [file ...]
options: options:

@ -15,7 +15,7 @@ local extract_dir
local _gzip_bin _bzip2_bin _xz_bin _zstd_bin local _gzip_bin _bzip2_bin _xz_bin _zstd_bin
if (( $# == 0 )); then if (( $# == 0 )); then
cat >&2 <<EOF >&2 <<EOF
usage: $0 [-option] [file ...] usage: $0 [-option] [file ...]
options: options:

@ -26,7 +26,7 @@ case "$1" in
zcat $(ls -rt /var/log/dpkg*) zcat $(ls -rt /var/log/dpkg*)
;; ;;
(*) (*)
cat >&2 <<EOF >&2 <<EOF
Commands: Commands:
install - List installed packages install - List installed packages
upgrade - List upgraded packages upgrade - List upgraded packages

@ -9,8 +9,7 @@
local usage pattern modifiers invert local usage pattern modifiers invert
usage="$( usage="$(<<EOF
cat <<EOF
usage: $0 [-option ...] [--] pattern [file ...] usage: $0 [-option ...] [--] pattern [file ...]
options: options:

@ -9,8 +9,7 @@
local usage pattern replacement modifiers local usage pattern replacement modifiers
usage="$( usage="$(<<EOF
cat <<EOF
usage: $0 [-option ...] [--] pattern replacement [file ...] usage: $0 [-option ...] [--] pattern replacement [file ...]
options: options:

@ -9,8 +9,7 @@
# function zsh-help { # function zsh-help {
local usage="$( local usage="$(<<EOF
cat <<EOF
usage: $0 [--help] [--zsh-help-debug] [--all] search term(s) usage: $0 [--help] [--zsh-help-debug] [--all] search term(s)
Options: Options:
--all - search for the term anywhere, not just at the start of a line. --all - search for the term anywhere, not just at the start of a line.

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