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| author | kate.ward <kate.ward@forestent.com> | 2012-12-17 23:34:29 +0000 |
|---|---|---|
| committer | kate.ward <kate.ward@forestent.com> | 2012-12-17 23:34:29 +0000 |
| commit | 4ae73d81dbe35e1d6e7d5f6a9b0fbe8fbd59b49f (patch) | |
| tree | 33eda75836b091c209e21e10f04d7a02805f72f8 /source | |
| parent | a589b9ff1c40b00f6c96314f813d7e2c47d7ae4b (diff) | |
| download | shflags-4ae73d81dbe35e1d6e7d5f6a9b0fbe8fbd59b49f.tar.gz | |
allow users to override the FLAGS_EXPR_CMD variable
Diffstat (limited to 'source')
| -rw-r--r-- | source/1.0/src/shflags | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/source/1.0/src/shflags b/source/1.0/src/shflags index 9a61d7a..4177ac9 100644 --- a/source/1.0/src/shflags +++ b/source/1.0/src/shflags @@ -87,16 +87,16 @@ [ -n "${FLAGS_VERSION:-}" ] && return 0 FLAGS_VERSION='1.0.4pre' -FLAGS_UNAME_S=`uname -s` - -# Different OSes need different commands. -case "${FLAGS_UNAME_S}" in - BSD) FLAGS_EXPR_CMD='gexpr' ;; - *) FLAGS_EXPR_CMD='expr' ;; +# Set some reasonable defaults. +__FLAGS_UNAME_S=`uname -s` +case "${__FLAGS_UNAME_S}" in + BSD) __FLAGS_EXPR_CMD='gexpr' ;; + *) __FLAGS_EXPR_CMD='expr' ;; esac -# A user can set the path to a different getopt command by overriding this -# variable in their script. +# A user can set the path to different commands by overriding these variables in +# their script. +FLAGS_EXPR_CMD=${FLAGS_EXPR_CMD:-${__FLAGS_EXPR_CMD}} FLAGS_GETOPT_CMD=${FLAGS_GETOPT_CMD:-getopt} # return values that scripts can use |