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author | Tom Ryder <tom@sanctum.geek.nz> | 2016-12-19 13:32:44 +1300 |
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committer | Tom Ryder <tom@sanctum.geek.nz> | 2016-12-19 13:32:44 +1300 |
commit | 0902a617fedd726f84092d3d06ca25bcca9124a9 (patch) | |
tree | c47a144decdd9467d518d90804f1b326d9dbb2d7 /sh | |
parent | Remove lhn() (diff) | |
download | dotfiles-0902a617fedd726f84092d3d06ca25bcca9124a9.tar.gz dotfiles-0902a617fedd726f84092d3d06ca25bcca9124a9.zip |
Only add -u to diff() call if more than two args
Diffstat (limited to 'sh')
-rw-r--r-- | sh/shrc.d/diff.sh | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sh/shrc.d/diff.sh b/sh/shrc.d/diff.sh index 2c752c8d..179ced94 100644 --- a/sh/shrc.d/diff.sh +++ b/sh/shrc.d/diff.sh @@ -1,4 +1,16 @@ # Use a unified format for diff(1) by default diff() { - command diff -u "$@" + if ( + for arg ; do + case $arg in + -*) shift ;; + --) shift ; break ;; + *) break ;; + esac + done + [ "$#" -gt 1 ] + ) ; then + set -- -u "$@" + fi + command diff "$@" } |