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__fish_print_hostnames: Use string replace -f

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Saves one `string match` invocation.

Also removes a useless-use-of-cat.
This commit is contained in:
Fabian Homborg 2017-09-05 16:29:57 +02:00
parent a4c03e3d7b
commit 4437e8d8d6
1 changed files with 9 additions and 9 deletions
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14
share/functions/__fish_print_hostnames.fish
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@ -53,14 +53,14 @@ function __fish_print_hostnames -d "Print a list of known hostnames"
set -l orig_dir $PWD set -l orig_dir $PWD
set -l paths set -l paths
for config in $argv for config in $argv
set paths $paths (cat $config ^/dev/null \ if test -r "$config"
# Keep only Include lines set paths $paths (
| string match -r -i '^\s*Include\s+.+' \ # Keep only Include lines and remove Include syntax
# Remove Include syntax string replace -rfi '^\s*Include\s+' '' <$config \
| string replace -r -i '^\s*Include\s+' '' \
# Normalize whitespace # Normalize whitespace
| string trim | string replace -r -a '\s+' ' ') | string trim | string replace -r -a '\s+' ' ')
end end
end
builtin cd $relative_path builtin cd $relative_path
set -l new_paths set -l new_paths
@ -89,9 +89,9 @@ function __fish_print_hostnames -d "Print a list of known hostnames"
for file in $ssh_configs for file in $ssh_configs
if test -r $file if test -r $file
# Print hosts from system wide ssh configuration file # Print hosts from system wide ssh configuration file
string match -r -i '^\s*Host\s+\S+' <$file | string replace -r -i '^\s*Host\s+' '' | string trim | string replace -r '\s+' ' ' | string split ' ' | string match -v '*\**' string replace -rfi '^\s*Host\s+' '' <$file | string trim | string replace -r '\s+' ' ' | string split ' ' | string match -v '*\**'
# Extract known_host paths. # Extract known_host paths.
set known_hosts $known_hosts (string match -ri '^\s*UserKnownHostsFile|^\s*GlobalKnownHostsFile' <$file | string replace -ri '.*KnownHostsFile\s*' '') set known_hosts $known_hosts (string replace -rfi '.*KnownHostsFile\s*' '' <$file)
end end
end end
for file in $known_hosts for file in $known_hosts