diff options
Diffstat (limited to 'share/spack/csh/pathadd.csh')
| -rw-r--r-- | share/spack/csh/pathadd.csh | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/share/spack/csh/pathadd.csh b/share/spack/csh/pathadd.csh index 4390a788d0..0f8a04ba62 100644 --- a/share/spack/csh/pathadd.csh +++ b/share/spack/csh/pathadd.csh @@ -12,17 +12,26 @@ # otherwise append to that variable. set _pa_varname = PATH; set _pa_new_path = $_pa_args[1]; -[ $#_pa_args -gt 1 ] && set _pa_varname = $_pa_args[1] && set _pa_new_path = $_pa_args[2]; + +if ($#_pa_args > 1) then + set _pa_varname = $_pa_args[1] + set _pa_new_path = $_pa_args[2] +endif # Check whether the variable is set yet. set _pa_old_value = "" eval set _pa_set = '$?'$_pa_varname -[ $_pa_set -eq 1 ] && eval set _pa_old_value='$'$_pa_varname; +if ($_pa_set == 1) then + eval set _pa_old_value='$'$_pa_varname +endif # Do the actual prepending here, if it is a dir and not already in the path if ( -d $_pa_new_path && \:$_pa_old_value\: !~ *\:$_pa_new_path\:* ) then - [ -n "$_pa_old_value" ] && setenv $_pa_varname $_pa_new_path\:$_pa_old_value - [ -z "$_pa_old_value" ] && setenv $_pa_varname $_pa_new_path + if ("x$_pa_old_value" == "x") then + setenv $_pa_varname $_pa_new_path + else + setenv $_pa_varname $_pa_new_path\:$_pa_old_value + endif endif unset _pa_args _pa_new_path _pa_old_value _pa_set _pa_varname |