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author | Tom Ryder <tom@sanctum.geek.nz> | 2016-08-20 16:47:37 +1200 |
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committer | Tom Ryder <tom@sanctum.geek.nz> | 2016-08-20 16:47:37 +1200 |
commit | fa2f423345776d8a99dae604f89e5b0ba76ceabb (patch) | |
tree | 8e1d83f9ea24ce519246b52921cc66350e39bdd0 /bin/fnl | |
parent | Remove readv() and readz() (diff) | |
download | dotfiles-fa2f423345776d8a99dae604f89e5b0ba76ceabb.tar.gz dotfiles-fa2f423345776d8a99dae604f89e5b0ba76ceabb.zip |
Port fnl() to POSIX sh script fnl(1)
No real compelling reason to make it a shell function in the first
place.
Diffstat (limited to 'bin/fnl')
-rwxr-xr-x | bin/fnl | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/bin/fnl b/bin/fnl new file mode 100755 index 00000000..d27d1f90 --- /dev/null +++ b/bin/fnl @@ -0,0 +1,21 @@ +#!/bin/sh +# Run a command and save its output and error to temporary files + +# Check we have at least one argument +if [ "$#" -eq 0 ] ; then + printf >&2 'fnl: Command needed\n' + return 2 +fi + +# Create a temporary directory; note that we *don't* clean it up on exit +dir=$(mktd fnl) || exit + +# Run the command; keep its exit status +"$@" >"$dir"/stdout 2>"$dir"/stderr +ret=$? + +# Run wc(1) on each of the files +wc -- "$dir"/* + +# Exit with the wrapped command's exit status +exit "$ret" |