[COLOR=#0000ff]# check if variable exists then print it[/color] [COLOR=#804040][b]set[/b][/color] var_name {COMPUTERNAME} [COLOR=#804040][b]if[/b][/color] {[[COLOR=#804040][b]info[/b][/color] exists env([COLOR=#008080]$var_name[/color])]} { [COLOR=#804040][b]set...
foreach ifile $files { if {![file isfile $ifle]} { puts "Could not find remote file $ifile" set status false } } return $status } set origin_dir "." if { [info exists ::origin_dir_loc]} { set origin_dir $::origin_dir_loc } set _xil_prj_name_ "prj" if { [info exits...
Example 1–17 Using info to determine if a variable exists. if {![info exists foobar]} { set foobar 0 } else { incr foobar } Example 7–6 on page 86 implements a new version of incr which handles this case. More about Math Expressions This section describes a few fine points about ...
Vivado%puts"The PATH variable is$env(PATH) " To get the list of all the Unix environment variables: Vivado%:setall_env_var [array namesenv] It is possible to check if an environment variable exists (i.e a key toenvarray exists) by using theinfocommand. For example to check forMYVAR...
You can also check if an environment variable exists, like this: if [info exists env(VARNAME)] { # okay, it's there, use it set value $env(VARNAME) } else { # the environment var isn't set, use a default set value "the default value" ...
Use PATH_MAX if it exists 3个月前 jimregexp.c regexp: fix incorrect check for invalid escape sequence at end of charset 2年前 jimregexp.h jimregexp: rename local regex functions 5年前 jimsh.c build: win32: STDIN_FILENO may not be defined on Windows ...
grid$collat_result.col_but-row0-column0-sticky e#label$sim_lf.labatpg-text"All of currently select-available sim jobs"job_insert_sim$get_sim$sim_lf$iset::sim_lf_exist1incrj}else{#tk_messageBoxincri}}# check i value to get info that if both get_atpg and get_sim are viodsif{$i...
set filename "data.txt" if {[file exists $filename]} { set filesize [file size $filename] puts "File size: $filesize bytes" } else { puts "File not found" } This script first checks if the file exists, then retrieves its size. The size is stored in a variable and displayed ...
proc lprepend {varName args} { upvar 1 $varName var # Ensure that the variable exists and contains a list lappend var # Now we insert all the arguments in one go set var [eval [list linsert $var 0] $args]} 最后一行可以写成: ...
Referencing Variable’s Values Unsetting Variables Determining if a Variable Exists Predefined Variables Lists What is a List? Creating Lists Returning Elements from Lists Creating Lists form Strings Creating Strings from Lists Modifying Lists Searching Lists ...