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<h3>
Philip Carns pushed to branch carns/dev-dyn-link-updates
at <a href="https://xgitlab.cels.anl.gov/darshan/darshan">darshan / darshan</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://xgitlab.cels.anl.gov/darshan/darshan/commit/6bab9ceac34c9104bbe9fddb90ba11d8bbd04947">6bab9cea</a></strong>
<div>
<span>by Phil Carns</span>
<i>at 2020-03-20T08:44:49-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">add darshan-config option for dynamic link options
</pre>
</li>
</ul>
<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#68dfbc01eca18ead9b2d93f7ae47e2119044a92f">
darshan-runtime/darshan-config.in
</a>
</li>
</ul>
<h4>Changes:</h4>
<li id="68dfbc01eca18ead9b2d93f7ae47e2119044a92f">
<a href="https://xgitlab.cels.anl.gov/darshan/darshan/commit/6bab9ceac34c9104bbe9fddb90ba11d8bbd04947#68dfbc01eca18ead9b2d93f7ae47e2119044a92f"><strong>darshan-runtime/darshan-config.in</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -5,17 +5,22 @@ DARSHAN_SHARE_PATH="@darshan_share_path@"</td>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="shell"><span class="nv" style="color: #008080;">DARSHAN_LD_FLAGS</span><span class="o" style="font-weight: 600;">=</span><span class="s2" style="color: #d14;">"@LDFLAGS@"</span></span>
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<pre style="margin: 0;"> <span id="LC7" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># NOTE:</span></span>
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<pre style="margin: 0;">-<span id="LC8" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># - we deliberately list libdarshan twice in the link command<span class="idiff left right">.  The</span></span></span>
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<td class="diff-line-num new_line old" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC9" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   <span class="idiff left right">first is necessary to correctly use the MPI profiling interface.  T</span>he</span></span>
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<td class="diff-line-num new_line old" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC10" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   <span class="idiff left right">final one is necessary to give the linker a change to resolve indirect</span></span></span>
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<pre style="margin: 0;">-<span id="LC11" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   <span class="idiff left right">dependencies on PnetCDF and HDF5 symbols (if the app used a library which </span></span></span>
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<pre style="margin: 0;">-<span id="LC12" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   in turn used one of those HLLs).</span></span>
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># - we deliberately list libdarshan twice in the link command<span class="idiff left right"> when</span></span></span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   <span class="idiff left right">statically linking.  The first sets symbol wrapping options early in t</span>he</span></span>
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   <span class="idiff left right">link line. The final one is necessary to give the linker a change to</span></span></span>
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   <span class="idiff left right">resolve indirect dependencies on PnetCDF and HDF5 symbols (if the</span></span></span>
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   <span class="idiff left right">app used a library which </span>in turn used one of those HLLs).</span></span>
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<pre style="margin: 0;"> <span id="LC13" class="line" lang="shell"></span>
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<pre style="margin: 0;"> <span id="LC14" class="line" lang="shell"><span class="nv" style="color: #008080;">PRE_LD_FLAGS</span><span class="o" style="font-weight: 600;">=</span><span class="s2" style="color: #d14;">"-L</span><span class="nv" style="color: #008080;">$DARSHAN_LIB_PATH</span><span class="s2" style="color: #d14;"> </span><span class="nv" style="color: #008080;">$DARSHAN_LD_FLAGS</span><span class="s2" style="color: #d14;"> -ldarshan -lz -Wl,@</span><span class="nv" style="color: #008080;">$DARSHAN_SHARE_PATH</span><span class="s2" style="color: #d14;">/ld-opts/darshan-base-ld-opts"</span></span>
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<pre style="margin: 0;"> <span id="LC15" class="line" lang="shell"><span class="nv" style="color: #008080;">POST_LD_FLAGS</span><span class="o" style="font-weight: 600;">=</span><span class="s2" style="color: #d14;">"-L</span><span class="nv" style="color: #008080;">$DARSHAN_LIB_PATH</span><span class="s2" style="color: #d14;"> -Wl,--start-group -ldarshan -ldarshan-stubs -Wl,--end-group -lz -lrt -lpthread"</span></span>
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16
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<pre style="margin: 0;"> <span id="LC16" class="line" lang="shell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># NOTE:</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="18" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># - when dynamic linking there is no need for wrapping options, we simply</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="19" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   need to get the darshan symbol definitions early enough in the link order.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="20" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC20" class="line" lang="shell"><span class="nv" style="color: #008080;">DYN_LD_FLAGS</span><span class="o" style="font-weight: 600;">=</span><span class="s2" style="color: #d14;">"-L</span><span class="nv" style="color: #008080;">$DARSHAN_LIB_PATH</span><span class="s2" style="color: #d14;"> </span><span class="nv" style="color: #008080;">$DARSHAN_LD_FLAGS</span><span class="s2" style="color: #d14;"> -ldarshan"</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="shell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC22" class="line" lang="shell"><span class="nv" style="color: #008080;">usage</span><span class="o" style="font-weight: 600;">=</span><span class="s2" style="color: #d14;">"</span><span class="se" style="color: #d14;">\</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="18" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC18" class="line" lang="shell"><span class="s2" style="color: #d14;">Usage: darshan-config [--pre-ld-flags] [--post-ld-flags]"</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="19" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="shell"><span class="s2" style="color: #d14;">Usage: darshan-config [--pre-ld-flags] [--post-ld-flags]<span class="idiff left right"> [--dyn-ld-flags]</span>"</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC24" class="line" lang="shell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="20" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC25" class="line" lang="shell"><span class="k" style="font-weight: 600;">if </span><span class="nb" style="color: #0086b3;">test</span> <span class="nv" style="color: #008080;">$# </span><span class="nt" style="color: #000080;">-eq</span> 0<span class="p">;</span> <span class="k" style="font-weight: 600;">then</span></span>
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<td class="diff-line-num old_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="26" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="shell"><span class="k" style="font-weight: 600;">      </span><span class="nb" style="color: #0086b3;">echo</span> <span class="s2" style="color: #d14;">"</span><span class="k" style="font-weight: 600;">${</span><span class="nv" style="color: #008080;">usage</span><span class="k" style="font-weight: 600;">}</span><span class="s2" style="color: #d14;">"</span> 1>&2</span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="35" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -35,6 +40,9 @@ while test $# -gt 0; do</td>
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<td class="diff-line-num old_line" data-linenumber="35" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="shell">    <span class="nt" style="color: #000080;">--post-ld-flags</span><span class="p">)</span></span>
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<td class="diff-line-num old_line" data-linenumber="36" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="41" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="shell">      <span class="nb" style="color: #0086b3;">echo</span> <span class="nv" style="color: #008080;">$POST_LD_FLAGS</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="shell">      <span class="p">;;</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="38" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="43" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC43" class="line" lang="shell">    <span class="nt" style="color: #000080;">--dyn-ld-flags</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="38" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="44" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC44" class="line" lang="shell">      <span class="nb" style="color: #0086b3;">echo</span> <span class="nv" style="color: #008080;">$DYN_LD_FLAGS</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="38" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="45" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC45" class="line" lang="shell">      <span class="p">;;</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="38" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="46" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC46" class="line" lang="shell">    <span class="k" style="font-weight: 600;">*</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
39
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<td class="diff-line-num new_line" data-linenumber="47" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
47
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC47" class="line" lang="shell">      <span class="nb" style="color: #0086b3;">echo</span> <span class="s2" style="color: #d14;">"</span><span class="k" style="font-weight: 600;">${</span><span class="nv" style="color: #008080;">usage</span><span class="k" style="font-weight: 600;">}</span><span class="s2" style="color: #d14;">"</span> 1>&2</span>
</pre>
</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
40
</td>
<td class="diff-line-num new_line" data-linenumber="48" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
48
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC48" class="line" lang="shell">      <span class="nb" style="color: #0086b3;">exit </span>1</span>
</pre>
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