1# 2# For a description of the syntax of this configuration file, 3# see scripts/kbuild/config-language.txt. 4# 5 6menu "Editors" 7 8config AWK 9 bool "awk" 10 default n 11 help 12 Awk is used as a pattern scanning and processing language. This is 13 the BusyBox implementation of that programming language. 14 15config FEATURE_AWK_MATH 16 bool "Enable math functions (requires libm)" 17 default y 18 depends on AWK 19 help 20 Enable math functions of the Awk programming language. 21 NOTE: This will require libm to be present for linking. 22 23config CMP 24 bool "cmp" 25 default n 26 help 27 cmp is used to compare two files and returns the result 28 to standard output. 29 30config DIFF 31 bool "diff" 32 default n 33 help 34 diff compares two files or directories and outputs the 35 differences between them in a form that can be given to 36 the patch command. 37 38config FEATURE_DIFF_BINARY 39 bool "Enable checks for binary files" 40 default y 41 depends on DIFF 42 help 43 This option enables support for checking for binary files 44 before a comparison is carried out. 45 46config FEATURE_DIFF_DIR 47 bool "Enable directory support" 48 default y 49 depends on DIFF 50 help 51 This option enables support for directory and subdirectory 52 comparison. 53 54config FEATURE_DIFF_MINIMAL 55 bool "Enable -d option to find smaller sets of changes" 56 default n 57 depends on DIFF 58 help 59 Enabling this option allows the use of -d to make diff 60 try hard to find the smallest possible set of changes. 61 62config ED 63 bool "ed" 64 default n 65 help 66 The original 1970's Unix text editor, from the days of teletypes. 67 Small, simple, evil. Part of SUSv3. If you're not already using 68 this, you don't need it. 69 70config PATCH 71 bool "patch" 72 default n 73 help 74 Apply a unified diff formatted patch. 75 76config SED 77 bool "sed" 78 default n 79 help 80 sed is used to perform text transformations on a file 81 or input from a pipeline. 82 83config VI 84 bool "vi" 85 default n 86 help 87 'vi' is a text editor. More specifically, it is the One True 88 text editor <grin>. It does, however, have a rather steep 89 learning curve. If you are not already comfortable with 'vi' 90 you may wish to use something else. 91 92config FEATURE_VI_MAX_LEN 93 int "Maximum line length in vi" 94 range 256 16384 95 default 1024 96 depends on VI 97 help 98 vi uses on-stack buffers for intermediate line buffers. 99 You may want to decrease this parameter if your target machine 100 benefits from smaller stack usage. 101 102config FEATURE_VI_COLON 103 bool "Enable \":\" colon commands (no \"ex\" mode)" 104 default y 105 depends on VI 106 help 107 Enable a limited set of colon commands for vi. This does not 108 provide an "ex" mode. 109 110config FEATURE_VI_YANKMARK 111 bool "Enable yank/put commands and mark cmds" 112 default y 113 depends on VI 114 help 115 This will enable you to use yank and put, as well as mark in 116 busybox vi. 117 118config FEATURE_VI_SEARCH 119 bool "Enable search and replace cmds" 120 default y 121 depends on VI 122 help 123 Select this if you wish to be able to do search and replace in 124 busybox vi. 125 126config FEATURE_VI_USE_SIGNALS 127 bool "Catch signals" 128 default y 129 depends on VI 130 help 131 Selecting this option will make busybox vi signal aware. This will 132 make busybox vi support SIGWINCH to deal with Window Changes, catch 133 Ctrl-Z and Ctrl-C and alarms. 134 135config FEATURE_VI_DOT_CMD 136 bool "Remember previous cmd and \".\" cmd" 137 default y 138 depends on VI 139 help 140 Make busybox vi remember the last command and be able to repeat it. 141 142config FEATURE_VI_READONLY 143 bool "Enable -R option and \"view\" mode" 144 default y 145 depends on VI 146 help 147 Enable the read-only command line option, which allows the user to 148 open a file in read-only mode. 149 150config FEATURE_VI_SETOPTS 151 bool "Enable set-able options, ai ic showmatch" 152 default y 153 depends on VI 154 help 155 Enable the editor to set some (ai, ic, showmatch) options. 156 157config FEATURE_VI_SET 158 bool "Support for :set" 159 default y 160 depends on VI 161 help 162 Support for ":set". 163 164config FEATURE_VI_WIN_RESIZE 165 bool "Handle window resize" 166 default y 167 depends on VI 168 help 169 Make busybox vi behave nicely with terminals that get resized. 170 171config FEATURE_VI_OPTIMIZE_CURSOR 172 bool "Optimize cursor movement" 173 default y 174 depends on VI 175 help 176 This will make the cursor movement faster, but requires more memory 177 and it makes the applet a tiny bit larger. 178 179config FEATURE_ALLOW_EXEC 180 bool "Allow vi and awk to execute shell commands" 181 default y 182 depends on VI || AWK 183 help 184 Enables vi and awk features which allows user to execute 185 shell commands (using system() C call). 186 187endmenu 188