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| author | Richard Henderson <rth@redhat.com> | 1999-05-03 07:29:06 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 1999-05-03 07:29:06 +0000 |
| commit | a3acbf46947e52ff596461a4cf6f539884c9dbbd (patch) | |
| tree | ef93cefb82fdb4d8f2639e166e277474d9b2acab /config/mpw/MoveIfChange | |
| download | cygnal-a3acbf46947e52ff596461a4cf6f539884c9dbbd.tar.gz cygnal-a3acbf46947e52ff596461a4cf6f539884c9dbbd.tar.bz2 cygnal-a3acbf46947e52ff596461a4cf6f539884c9dbbd.zip | |
19990502 sourceware importbinu_ss_19990502
Diffstat (limited to 'config/mpw/MoveIfChange')
| -rw-r--r-- | config/mpw/MoveIfChange | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/config/mpw/MoveIfChange b/config/mpw/MoveIfChange new file mode 100644 index 000000000..0dbc12582 --- /dev/null +++ b/config/mpw/MoveIfChange @@ -0,0 +1,19 @@ +# Rename a file only if it is different from a previously existing +# file of the same name. This is useful for keeping make from doing +# too much work if the contents of a file haven't changed. + +# This is an MPW translation of the standard GNU sh script move-if-change. + +Set exit 0 + +If "`exists -f "{2}"`" + Compare "{1}" "{2}" >dev:null + If {status} != 0 + Rename -y "{1}" "{2}" + Else + Echo "{2}" is unchanged + Delete -i -y "{1}" + End +Else + Rename -y "{1}" "{2}" +End |