Книга: UNIX — универсальная среда программирования

3.8.64 which1

3.8.64 which1
# which cmd: which cmd in PATH is executed, version 1
case $# in
0) echo 'Usage: which command' 1>&2; exit 2
esac
for i in `echo $PATH | sed 's/^:/.:/
                            s/::/:.:/g
                            s/:$/:./
                            s/:/ /g'`
do
 if test -f $i/$1 # use test -x if you can
 then
  echo $i/$1
  exit 0 # found it
 fi
done
exit 1 # not found

Содержание
3.8.1 addup1
3.8.2. addup2
3.8.3 backup
3.8.4 backwards
3.8.5 badpick.c
3.8.6 bundle
3.8.7 cal
3.8.8 calendar1
3.8.9 calendar2
3.8.10 calendar3
3.8.11 cat0.c
3.8.12 checkmail.c
3.8.13 checkmail.sh
3.8.14 cp.c
3.8.15 doctype
3.8.16 double
3.8.17 efopen.c
3.8.18 error.c
3.8.19 field1
3.8.20 field2
3.8.21 fold
3.8.22 frequent
3.8.23 frequent2
3.8.24 get
3.8.25 get.с
3.8.26 getname
3.8.27 idiff.c
3.8.28 makefile
3.8.29 newer
3.8.30 news1
3.8.31 news2
3.8.32 news3
3.8.33 nohup
3.8.34 older
3.8.35 overwrite1
3.8.36 overwrite2
3.8.37 overwrite3
3.8.38 p1.c
3.8.39 p2.c
3.8.40 p3.c
3.8.41 p4.c
3.8.42 pick1
3.8.43 pick.c
3.8.44 prpages
3.8.45 put
3.8.46 readslow.c
3.8.47 replace
3.8.48 signaltest.c
3.8.49 spname.c
3.8.50 strindex.c
3.8.51 sv.c
3.8.52 system1.c
3.8.53 system.c
3.8.54 timeout.c
3.8.55 toolong
3.8.56 ttyin1.c
3.8.57 ttyin2.c
3.5.58 vis1.c
3.5.59 vis2.c
3.8.60 vis3.c
3.8.61 waitfile.c
3.8.62 watchfor
3.8.63 watchwho
3.8.64 which1
3.8.65 which1.H
3.8.66 which2
3.8.67 wordfreq
3.8.68 zap1
3.8.69 zap2
3.8.70 zap.c
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