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author | Tom Ryder <tom@sanctum.geek.nz> | 2017-04-05 20:06:39 +1200 |
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committer | Tom Ryder <tom@sanctum.geek.nz> | 2017-04-05 20:46:47 +1200 |
commit | c8ab406749124d2e762ad5cf53963070113afd0f (patch) | |
tree | 54c9721a06957ebe7098a211eea803b0230c0f5d /bin/dub.sh | |
parent | Handle POSIX correctness in ~/.bash_profile (diff) | |
download | dotfiles-c8ab406749124d2e762ad5cf53963070113afd0f.tar.gz dotfiles-c8ab406749124d2e762ad5cf53963070113afd0f.zip |
Apply runtime shebanging to POSIX shell
Diffstat (limited to 'bin/dub.sh')
-rw-r--r-- | bin/dub.sh | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/bin/dub.sh b/bin/dub.sh new file mode 100644 index 00000000..f42c5ac9 --- /dev/null +++ b/bin/dub.sh @@ -0,0 +1,31 @@ +# List the biggest files in a directory + +# First optional argument is the directory, defaulting to the +# current dir; second optional argument is the number of files to +# show, defaulting to 20 +dir=${1:-.} lines=${2:-10} + +# Enter the target dir or bail +cd -- "$dir" || exit + +# Add files matching glob, shift them off if unexpanded (first and +# only entry doesn't exist) +set -- * +[ -e "$1" ] || shift + +# Add dot files, shift off the "." and ".." entries (sh(1) +# implementations seem to vary on whether they include these) +set -- .* "$@" +[ -e "$1" ] || shift +[ "$1" = . ] && shift +[ "$1" = .. ] && shift + +# Run du(1) with POSIX compatible flags -k for kilobyte unit and +# -s for total over the arguments +du -ks -- "$@" | + +# Sort the first field (the sizes) numerically, in reverse +sort -k1,1nr | + +# Limit the output to the given number of lines +sed "$lines"q |