Copy Trace Header
#!/bin/sh
sudata=/hou/data/D_152_001/SU_Class/class_project/seismic
# use suchw to copy contents of trace header fldr to ep
suchw < ${sudata}/tiger.cdp2499.su key1=ep key2=fldr > ${sudata}/x.su
mv ${sudata}/x.su ${sudata}/tiger.cdp2499.su
# verify with surange
surange < ${sudata}/tiger.cdp2499.su