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UGU: Unix Guru Universe - Unix Tip #4345- February 2, 2025
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Unix Tip #4345- February 2, 2025
WHO SENT ME MAIL
To know who all have sent you mail.
---------------CUT HERE ----------
#!/bin/sh
: ${USER:=`expr "\`LANG=C id\`" : 'uid=[0-9]*(\([^)]*\).*'`}
for MBox in /var/mail/$USER /usr/spool/mail/$USER ""
do
[ -r "$MBox" ] && break
done
[ -z "$MBox" ] && exec echo "No mailbox"
exec grep "^From " "$@" "$MBox"
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This tip generously supported by: pradeep@cdacb.ernet.in
NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted
by various unix admins around the globe. UGU suggest you read and
test each tip in a non-volitile environment before placing into
production.
LAST 5 TIPS
4344
- STRINGS - OLD BUT A GOODIE
4343
- RUN DAILY WITH AT
4342
- FIND THOSE HIDDEN FILES
4341
- RUN ON LAST SUNDAY
4340
- SIMPLE MASK OVERLOOKED
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