diff options
Diffstat (limited to 'bin/newer')
| -rwxr-xr-x | bin/newer | 35 |
1 files changed, 25 insertions, 10 deletions
@@ -12,18 +12,33 @@ ## http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have ## access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. ## -# Compare the modification of two files. If file1 is newer than file2, -# return true (0). Otherwise return false (1). If file1 or file2 does -# not exist or is not a file, return false (1). +# Compare the modification time of file argument 1 against other file arguments. +# Return true (0) if argument 1 is newer than all others, otherwise return +# false (1). If any of the argument is not a file, return false (1). # # Programmer: Albert Cheng # Created Date: 2005/07/06 +# Modification: +# Albert Cheng 2005/8/30 +# Changed from two arguments to mulitple arguments. -if test $# -eq 2; then - if test -f $1 -a -f $2; then - if test X != X`find $1 -newer $2 -print`; then - exit 0 - fi - fi +if test $# -lt 2; then + exit 1 +fi +if test ! -f $1; then + exit 1 fi -exit 1 +f1=$1 +shift + +for f in $*; do + if ! test -f $f; then + exit 1 + fi + if test X = X`find $f1 -newer $f -print`; then + exit 1 + fi +done + +# passed all tests. Must be a file newer than all others. +exit 0 |