From ce76e1ed0f458f056041482083da7d6dac4698c6 Mon Sep 17 00:00:00 2001
From: Greg Gauthier <gmgauthier@protonmail.com>
Date: Sun, 16 Jul 2023 20:16:45 +0100
Subject: [PATCH] find-in-files script

---
 sys/fif | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100755 sys/fif

diff --git a/sys/fif b/sys/fif
new file mode 100755
index 0000000..ba0b7a1
--- /dev/null
+++ b/sys/fif
@@ -0,0 +1,74 @@
+#!/usr/bin/env zsh
+
+Help()
+{
+    echo "fif -g \"string\" -f \"regex pattern\" [-d \"path\"]      "
+    echo "    Options:                                              "
+    echo "        -g string        [REQUIRED] search string for grep"
+    echo "        -f regex         [REQUIRED] filemask for search   "
+    echo "        [-d directory]   path to search [defaults to . ]  "
+    echo "        -v               prints matching lines in files.  "
+    echo "                         (default is file list only)      "
+    echo "        -h               display this help                "
+    echo "                                                          "
+    echo "EXAMPLES:                                                 "
+    echo " fif -g \"hello\" -f \"(?i)^.*\.bas+$\"                   "
+    echo "    searches all files maching the mask '*.bas' in the    "
+    echo "    current working directory for the string 'hello'.     "
+    echo "                                                          "
+    echo " fif -g \"len\" -f \"(?i)^.*\.py+$\" -d /home/gmgauthier/Projects/code/python -v"
+    echo "    searches all files maching the mask '*.py' in the     "
+    echo "    'src/package' directory, for the string '.alen'       "
+    echo "    and prints the matched lines to the console           "
+    echo "                                                          "
+    echo "NOTES:                                                    "
+    echo "  - something similar can be done with a single grep.     "
+    echo "    eg: 'grep -rnw ~/Projects/code/python/passwdtools -e '.*\.length.*'"
+    echo "    However, the raw grep doesn't give you the            "
+    echo "    ability to choose which files to scan.                "
+    echo ""
+    echo "  - grep takes a simple search string                     "
+    echo "  - the filemask can be either ERE or PCRE regex          "
+    echo "  - all searches are recursive                            "
+    exit 0
+}
+
+while getopts g:f:d:hv flag
+do
+    case "${flag}" in
+        g) grepstr=${OPTARG};;
+        f) filemask=${OPTARG};;
+        d) dir=${OPTARG};;
+        v) verbose=true;;
+        h) Help;;
+    esac
+done
+
+if [[ -z $grepstr ]] then
+    echo "You must supply a search string in ere regex format"
+    exit 0
+fi
+
+if [[ -z $filemask ]] then
+    echo "You must supply a filename filter for searches in pcre regex format"
+    exit 0
+fi
+
+if [[ -z $dir ]] then
+    dir="."
+fi
+
+# We have to validate the filelist first, otherwise grep will just 
+# try to search on whatever is in the PWD
+filelist=$(fd -0 $filemask $dir|sed 's/.$//')
+if [[ -z $filelist ]] || [[ $filelist == "" ]] then
+    echo "No files found matching your filemask. Search cannot be executed"
+    exit 1
+else
+    if [[ $verbose == true ]]; then
+        grep -inwrE $grepstr $(fd -0 -H $filemask $dir|sed 's/.$//') # sed strips fd's "%"
+    else
+        grep -linwrE $grepstr $(fd -0 -H $filemask $dir|sed 's/.$//') # sed strips fd's "%"
+    fi
+fi
+exit 0