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--- bash_-_scripts:tgrep [2016/11/09 12:17] – created peter
+++ bash_-_scripts:tgrep [2019/11/29 11:16] (current) – removed peter
@@ Line 1: / Line 1: @@
-====== Bash - Scripts - tgrep ======
-**tgrep** searches for character strings in each file, in a file tree.
-===== Usage =====
-<code bash>
-tgrep [-c|-h] string [file ...]
-</code>
-===== Code =====
-<code bash>
-#!/bin/bash
-#
-# @(#) tgrep v1.0  Search for a string in a tree.
-OPT=""
-for ARG in $@
-do
-  if [ "`echo $ARG|cut -c1`" = "-" ]
-  then case $ARG in
-    -c)  OPT="-name \"*.c\""
-         shift;;
-    -h)  OPT="-name \"*.h\""
-         shift;;
-    *)   echo "$O: incorrect argument"             >&2
-         echo "usage: $O [-c|-h] string [file ...] >&2
-         exit 1;;
-  esac
-  fi
-done
-case $# in
-)  echo "$O: argument error"                 >&2
-      echo "usage: $O [-c|-h] string [dir ...]" >&2
-      exit 2
-      ;;
-)  while read FILE
-      do
-        grep -y "$1" $FILE /dev/nul
-      done
-      ;;
-  *)  STRING=$1; shift
-      eval find "$@" -type f $OPT -print | sort | while read FILE
-      do
-        grep -y "$STRING" $FILE /dev/null
-      done
-      ;;
-esac
-</code>
-===== Example Usage =====
-<code bash>
-tgrep "profanity" /
-</code>
-<code bash>
-tgrep unix $HOME
-</code>
-<code bash>
-tgrep -c "^sleep()$" $HOME/src
-</code>
-<code bash>
-find /usr/src -name "*.c" -print | tgrep "ioctl"
-</code>
-<code bash>
-tgrep "| more" `find . -type f -print`
-</code>
-<code bash>
-tgrep trap /bin /usr/bin /etc
-</code>
-<code bash>
-grep "$1" `find "$2" -print`
-</code>
-and
-<code bash>
-find "$2" -print | while read F
-do
-  grep "$1" $F
-done
-</code>