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# PSORT - Sort an ST or APPHOT/DAOPHOT file based on a single column.
procedure psort (infiles, field)
string infiles {prompt="Input Apphot/daophot database(s) to be sorted"}
string field {prompt="Field to be sorted on"}
bool ascend {yes, prompt="Sort in increasing value order?"}
struct *inlist
begin
# Local variable declarations.
file tmpin
string in, col, inname
# Cache the istable parameters.
cache ("istable")
# Get the positional parameters.
in = infiles
col = field
# Expand the file list names.
tmpin = mktemp ("tmp$")
files (in, sort=no, > tmpin)
# Loop over each file in the input and output lists selecting records.
inlist = tmpin
while (fscan (inlist, inname) != EOF) {
istable (inname)
if (istable.table) {
tsort (inname, col, ascend=ascend, casesens=yes)
} else if (istable.text) {
txsort (inname, col, ascend=ascend)
} else {
print ("Cannot run PSORT on file: " // inname)
}
}
inlist = ""
delete (tmpin, ver-, >& "dev$null")
end
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