NAME: EXPAND_TILDE() PURPOSE: Expand tilde in UNIX directory names CALLING SEQUENCE: IDL> output=expand_tilde(input) INPUTS: INPUT = input file or directory name, scalar string OUTPUT: Returns expanded filename, scalar string EXAMPLES: output=expand_tilde('~zarro/test.doc') ---> output='/usr/users/zarro' NOTES: This version of EXPAND_TILDE differs from the version in the Solar Library in that it does not call the functions EXIST and IDL_RELEASE. However, it should work identically. PROCEDURE CALLS: None. REVISION HISTORY: Version 1, 17-Feb-1997, D M Zarro. Written Transfered from Solar Library W. Landsman Sep. 1997 Made more robust D. Zarro/W. Landsman Sep. 2000 Made even more robust (since things like ~zarro weren't being expanded) Zarro (EITI/GSFC, Mar 2001)